{
  "average_delay": 9.529,
  "average_delay_with_out_empty_turn": 6.037,
  "average_onscreen_delay": 2.99,
  "average_typing_delay": 6.539,
  "average_typing_duration": 11.131,
  "average_wpm": 24,
  "average_wpm_with_out_empty_turn": 44,
  "agents": [
    {
      "agent_id": 12,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    },
    {
      "agent_id": 13,
      "average_delay": 9.149,
      "average_delay_with_out_empty_turn": 4.504,
      "average_onscreen_delay": 1.945,
      "average_typing_delay": 7.204,
      "average_typing_duration": 11.608,
      "average_wpm": 25,
      "average_wpm_with_out_empty_turn": 48
    },
    {
      "agent_id": 14,
      "average_delay": 10.423,
      "average_delay_with_out_empty_turn": 8.48,
      "average_onscreen_delay": 4.987,
      "average_typing_delay": 5.436,
      "average_typing_duration": 9.409,
      "average_wpm": 31,
      "average_wpm_with_out_empty_turn": 56
    },
    {
      "agent_id": 29,
      "average_delay": 9.186,
      "average_delay_with_out_empty_turn": 5.317,
      "average_onscreen_delay": 2.385,
      "average_typing_delay": 6.801,
      "average_typing_duration": 10.557,
      "average_wpm": 23,
      "average_wpm_with_out_empty_turn": 45
    },
    {
      "agent_id": 33,
      "average_delay": 9.33,
      "average_delay_with_out_empty_turn": 5.58,
      "average_onscreen_delay": 2.57,
      "average_typing_delay": 6.76,
      "average_typing_duration": 12.983,
      "average_wpm": 14,
      "average_wpm_with_out_empty_turn": 26
    },
    {
      "agent_id": 34,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    }
  ],
  "messages": [
    {
      "message_id": 0,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 6.455,
      "typing_delay": 4.543,
      "typing_duration": 4.543,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 4,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 5,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 4.341,
      "typing_delay": 6.657,
      "typing_duration": 6.657,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 6,
      "agent_id": 29,
      "delay": 6.992,
      "onscreen_delay": 3.791,
      "typing_delay": 3.201,
      "typing_duration": 9.887,
      "wpm": 58,
      "message": "(อาจารย์สุธาสินี) ทำไมเป็นอย่างนั้นล่ะ "
    },
    {
      "message_id": 7,
      "agent_id": 13,
      "delay": 5.884,
      "onscreen_delay": 4.718,
      "typing_delay": 1.166,
      "typing_duration": 8.325,
      "wpm": 41,
      "message": "ได้ยินครูนะ คราวที่แล้ว"
    },
    {
      "message_id": 8,
      "agent_id": 33,
      "delay": 4.324,
      "onscreen_delay": 3.27,
      "typing_delay": 1.054,
      "typing_duration": 9.643,
      "wpm": 39,
      "message": "นะคะ เราพูดถึงในเรื่องของ"
    },
    {
      "message_id": 9,
      "agent_id": 14,
      "delay": 5.642,
      "onscreen_delay": 4.572,
      "typing_delay": 1.07,
      "typing_duration": 5.735,
      "wpm": 78,
      "message": "เหมือนล่ามไม่ได้ยินเลย อ๋อ ค่ะ "
    },
    {
      "message_id": 10,
      "agent_id": 29,
      "delay": 1.732,
      "onscreen_delay": 1.27,
      "typing_delay": 0.462,
      "typing_duration": 15,
      "wpm": 38,
      "message": "คราวที่แล้วเราพูดถึงเรื่อง list นะ lis"
    },
    {
      "message_id": 11,
      "agent_id": 13,
      "delay": 11,
      "onscreen_delay": 9.268,
      "typing_delay": 1.732,
      "typing_duration": 9.328,
      "wpm": 43,
      "message": "แล้วเราก็ทำข้อสอบไปแล้วนะคะ "
    },
    {
      "message_id": 12,
      "agent_id": 33,
      "delay": 6.998,
      "onscreen_delay": 6.254,
      "typing_delay": 0.744,
      "typing_duration": 6.079,
      "wpm": 27,
      "message": "เรื่องลิสต์"
    },
    {
      "message_id": 13,
      "agent_id": 14,
      "delay": 4.048,
      "onscreen_delay": 0,
      "typing_delay": 4.048,
      "typing_duration": 4.048,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 14,
      "agent_id": 29,
      "delay": 0.047,
      "onscreen_delay": 0.047,
      "typing_delay": 0,
      "typing_duration": 8.186,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 15,
      "agent_id": 13,
      "delay": 4.185,
      "onscreen_delay": 0.155,
      "typing_delay": 4.03,
      "typing_duration": 5.267,
      "wpm": 23,
      "message": "ได้ไหมคะ "
    },
    {
      "message_id": 16,
      "agent_id": 33,
      "delay": 7.353,
      "onscreen_delay": 0,
      "typing_delay": 7.353,
      "typing_duration": 7.353,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 17,
      "agent_id": 14,
      "delay": 3.348,
      "onscreen_delay": 0.243,
      "typing_delay": 3.105,
      "typing_duration": 5.133,
      "wpm": 32,
      "message": "ได้ยินไหมคะ "
    },
    {
      "message_id": 18,
      "agent_id": 29,
      "delay": 2.252,
      "onscreen_delay": 0,
      "typing_delay": 2.252,
      "typing_duration": 5.887,
      "wpm": 31,
      "message": "ยังไม่ได้ยิน "
    },
    {
      "message_id": 19,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 20,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 8.091,
      "typing_delay": 2.908,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 21,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 22,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.748,
      "typing_delay": 1.253,
      "typing_duration": 5.637,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 23,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 24,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 3.4,
      "typing_delay": 7.6,
      "typing_duration": 7.6,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 25,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 2.953,
      "typing_delay": 4.045,
      "typing_duration": 5.428,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 26,
      "agent_id": 29,
      "delay": 2.996,
      "onscreen_delay": 2.935,
      "typing_delay": 0.061,
      "typing_duration": 8.325,
      "wpm": 76,
      "message": "คราวที่แล้วนะคะ เราพูดถึงเรื่อง List ทุกคน"
    },
    {
      "message_id": 27,
      "agent_id": 13,
      "delay": 4.324,
      "onscreen_delay": 3.973,
      "typing_delay": 0.351,
      "typing_duration": 11.479,
      "wpm": 63,
      "message": "จำได้นะคะ อันนี้คือลิสต์นะ ที่ครูยกตัวอย่างมาให้ "
    },
    {
      "message_id": 28,
      "agent_id": 33,
      "delay": 7.477,
      "onscreen_delay": 6.568,
      "typing_delay": 0.909,
      "typing_duration": 14.038,
      "wpm": 34,
      "message": "ลิสต์ตัวนี้มีขนาดเท่ากับเท่าไหร่"
    },
    {
      "message_id": 29,
      "agent_id": 14,
      "delay": 10.037,
      "onscreen_delay": 8.321,
      "typing_delay": 1.716,
      "typing_duration": 8.454,
      "wpm": 41,
      "message": "มีขนาดเท่าไหร่ ขนาด คือ "
    },
    {
      "message_id": 30,
      "agent_id": 29,
      "delay": 6.036,
      "onscreen_delay": 6.036,
      "typing_delay": 0,
      "typing_duration": 7.8,
      "wpm": 67,
      "message": "มีจำนวนเท่าไร มี 5 คนอื่นมีเท่าไรคะ "
    },
    {
      "message_id": 31,
      "agent_id": 13,
      "delay": 3.799,
      "onscreen_delay": 2.167,
      "typing_delay": 1.632,
      "typing_duration": 7.322,
      "wpm": 27,
      "message": "5 โอเค 5 นะคะ "
    },
    {
      "message_id": 32,
      "agent_id": 33,
      "delay": 3.321,
      "onscreen_delay": 2.413,
      "typing_delay": 0.908,
      "typing_duration": 12.201,
      "wpm": 36,
      "message": "ลิสต์ที่เราเห็นในหน้าจอตรงนี้"
    },
    {
      "message_id": 33,
      "agent_id": 14,
      "delay": 8.2,
      "onscreen_delay": 7.724,
      "typing_delay": 0.476,
      "typing_duration": 9.506,
      "wpm": 65,
      "message": "จะมีอยู่ 5 ตัวถูกไหมคะ มีข้อมูลอยู่ 5 ตัว "
    },
    {
      "message_id": 34,
      "agent_id": 29,
      "delay": 5.505,
      "onscreen_delay": 4.562,
      "typing_delay": 0.943,
      "typing_duration": 6.837,
      "wpm": 42,
      "message": "มี 1 มี 2 มี 3 มี 4 "
    },
    {
      "message_id": 35,
      "agent_id": 13,
      "delay": 2.835,
      "onscreen_delay": 2.326,
      "typing_delay": 0.509,
      "typing_duration": 10.35,
      "wpm": 55,
      "message": "แล้วก็มี 5 มีทั้งหมด 5 ตัวนะคะ คราวนี้ "
    },
    {
      "message_id": 36,
      "agent_id": 33,
      "delay": 6.347,
      "onscreen_delay": 4.929,
      "typing_delay": 1.418,
      "typing_duration": 15.004,
      "wpm": 35,
      "message": "เรารู้ได้อย่างไรว่ามันคือลิสต์ เห็น"
    },
    {
      "message_id": 37,
      "agent_id": 14,
      "delay": 11.002,
      "onscreen_delay": 9.839,
      "typing_delay": 1.163,
      "typing_duration": 11.683,
      "wpm": 32,
      "message": "ก้ามปูเปิด-ก้ามปูปิดไหมคะ "
    },
    {
      "message_id": 38,
      "agent_id": 29,
      "delay": 7.682,
      "onscreen_delay": 7.682,
      "typing_delay": 0,
      "typing_duration": 10.005,
      "wpm": 61,
      "message": "เป็นสัญลักษณ์ที่บอกว่าการเก็บข้อมูลลักษณะ"
    },
    {
      "message_id": 39,
      "agent_id": 13,
      "delay": 6.003,
      "onscreen_delay": 5.7,
      "typing_delay": 0.303,
      "typing_duration": 8.005,
      "wpm": 62,
      "message": "แบบนี้มีชื่อเรียกว่า \"ลิสต์\" นะคะ "
    },
    {
      "message_id": 40,
      "agent_id": 33,
      "delay": 4.002,
      "onscreen_delay": 2.733,
      "typing_delay": 1.269,
      "typing_duration": 10.875,
      "wpm": 25,
      "message": "จะเก็บค่าของข้อมูล"
    },
    {
      "message_id": 41,
      "agent_id": 14,
      "delay": 6.869,
      "onscreen_delay": 4.894,
      "typing_delay": 1.975,
      "typing_duration": 7.728,
      "wpm": 25,
      "message": "ในลิสต์ index "
    },
    {
      "message_id": 42,
      "agent_id": 29,
      "delay": 3.721,
      "onscreen_delay": 3.31,
      "typing_delay": 0.411,
      "typing_duration": 12.194,
      "wpm": 52,
      "message": "ก็คือหมายเลขถูกไหมคะ ก็คือหมายเลขของข้อมูล"
    },
    {
      "message_id": 43,
      "agent_id": 13,
      "delay": 8.192,
      "onscreen_delay": 7.422,
      "typing_delay": 0.77,
      "typing_duration": 9.979,
      "wpm": 44,
      "message": "เราเริ่มต้นที่หมายเลขอะไรเอ่ย "
    },
    {
      "message_id": 44,
      "agent_id": 33,
      "delay": 5.977,
      "onscreen_delay": 5.008,
      "typing_delay": 0.969,
      "typing_duration": 10.249,
      "wpm": 35,
      "message": "พอเราวาดเป็นช่องใช่ไหมคะ "
    },
    {
      "message_id": 45,
      "agent_id": 14,
      "delay": 6.248,
      "onscreen_delay": 6.125,
      "typing_delay": 0.123,
      "typing_duration": 6.659,
      "wpm": 52,
      "message": "ในลิสต์นี่ ถ้าเราลองวาด"
    },
    {
      "message_id": 46,
      "agent_id": 29,
      "delay": 2.658,
      "onscreen_delay": 2.421,
      "typing_delay": 0.237,
      "typing_duration": 6.708,
      "wpm": 51,
      "message": "การจัดเก็บนะ ก็จะเป็น 1 "
    },
    {
      "message_id": 47,
      "agent_id": 13,
      "delay": 5.393,
      "onscreen_delay": 0,
      "typing_delay": 5.393,
      "typing_duration": 8.477,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 48,
      "agent_id": 33,
      "delay": 4.473,
      "onscreen_delay": 3.07,
      "typing_delay": 1.403,
      "typing_duration": 15,
      "wpm": 34,
      "message": "แล้วก็จะเก็บข้อมูลลงไปในช่องแบบนี้"
    },
    {
      "message_id": 49,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 9.396,
      "typing_delay": 1.603,
      "typing_duration": 12.549,
      "wpm": 22,
      "message": "หมายเลขช่องหรือว่า "
    },
    {
      "message_id": 50,
      "agent_id": 29,
      "delay": 8.548,
      "onscreen_delay": 8.286,
      "typing_delay": 0.262,
      "typing_duration": 13.137,
      "wpm": 39,
      "message": "Index ตัวแรกเราจะเริ่มต้นที่ตรงไหน "
    },
    {
      "message_id": 51,
      "agent_id": 13,
      "delay": 9.136,
      "onscreen_delay": 8.546,
      "typing_delay": 0.59,
      "typing_duration": 11.039,
      "wpm": 48,
      "message": "ตรงนี้ index เราจะเริ่มที่เราไรเอ่ย "
    },
    {
      "message_id": 52,
      "agent_id": 33,
      "delay": 7.037,
      "onscreen_delay": 6,
      "typing_delay": 1.037,
      "typing_duration": 6.691,
      "wpm": 29,
      "message": "0 นะ ใช่ไหมคะ"
    },
    {
      "message_id": 53,
      "agent_id": 14,
      "delay": 3.035,
      "onscreen_delay": 2.638,
      "typing_delay": 0.397,
      "typing_duration": 5.103,
      "wpm": 41,
      "message": "1 2 3 แล้วก็ 4 "
    },
    {
      "message_id": 54,
      "agent_id": 29,
      "delay": 1.1,
      "onscreen_delay": 1.1,
      "typing_delay": 0,
      "typing_duration": 13.111,
      "wpm": 47,
      "message": "แล้วก็ 4 ก็คือหมายเลขช่อง ถ้าเราวาดรูปให้"
    },
    {
      "message_id": 55,
      "agent_id": 13,
      "delay": 9.109,
      "onscreen_delay": 9.045,
      "typing_delay": 0.064,
      "typing_duration": 12.991,
      "wpm": 62,
      "message": "เป็นรูปสี่เหลี่ยมในการจัดเก็บข้อมูล แล้วเวลาครูเข้าถึง"
    },
    {
      "message_id": 56,
      "agent_id": 33,
      "delay": 8.987,
      "onscreen_delay": 8.344,
      "typing_delay": 0.643,
      "typing_duration": 13.947,
      "wpm": 29,
      "message": "ข้อมูลที่อยู่ในลิสต์ ตอนนี้"
    },
    {
      "message_id": 57,
      "agent_id": 14,
      "delay": 9.946,
      "onscreen_delay": 9.946,
      "typing_delay": 0,
      "typing_duration": 7.876,
      "wpm": 63,
      "message": "ครูตั้งชื่อลิสต์ตัวนี้มีชื่อว่า x "
    },
    {
      "message_id": 58,
      "agent_id": 29,
      "delay": 5.944,
      "onscreen_delay": 3.842,
      "typing_delay": 2.102,
      "typing_duration": 9.91,
      "wpm": 14,
      "message": "x index 3 "
    },
    {
      "message_id": 59,
      "agent_id": 13,
      "delay": 5.906,
      "onscreen_delay": 5.73,
      "typing_delay": 0.176,
      "typing_duration": 11.404,
      "wpm": 34,
      "message": "ตอบเท่ากับเท่าไรเอ่ย index "
    },
    {
      "message_id": 60,
      "agent_id": 33,
      "delay": 7.403,
      "onscreen_delay": 6.712,
      "typing_delay": 0.691,
      "typing_duration": 13.723,
      "wpm": 24,
      "message": "เป็น 3 ตัวนี้ตอบ 4 ใช่"
    },
    {
      "message_id": 61,
      "agent_id": 14,
      "delay": 9.721,
      "onscreen_delay": 9.644,
      "typing_delay": 0.077,
      "typing_duration": 8.587,
      "wpm": 63,
      "message": "ตรงนี้ต้องตอบว่า 4 นะคะ ทุกคนจำได้นะ "
    },
    {
      "message_id": 62,
      "agent_id": 29,
      "delay": 5.72,
      "onscreen_delay": 4.503,
      "typing_delay": 1.217,
      "typing_duration": 10.101,
      "wpm": 13,
      "message": "แล้วถ้า x "
    },
    {
      "message_id": 63,
      "agent_id": 13,
      "delay": 6.1,
      "onscreen_delay": 5.972,
      "typing_delay": 0.128,
      "typing_duration": 7.064,
      "wpm": 64,
      "message": "เราต้องการหลาย ๆ ค่า 2 จนถึง 4 "
    },
    {
      "message_id": 64,
      "agent_id": 33,
      "delay": 3.062,
      "onscreen_delay": 2.048,
      "typing_delay": 1.014,
      "typing_duration": 14.181,
      "wpm": 23,
      "message": "จะตอบเท่าหับเท่าไหร่คะ"
    },
    {
      "message_id": 65,
      "agent_id": 14,
      "delay": 10.18,
      "onscreen_delay": 10.021,
      "typing_delay": 0.159,
      "typing_duration": 6.291,
      "wpm": 19,
      "message": "3 กับ... "
    },
    {
      "message_id": 66,
      "agent_id": 29,
      "delay": 6.175,
      "onscreen_delay": 5.689,
      "typing_delay": 0.486,
      "typing_duration": 4.565,
      "wpm": 72,
      "message": "3 กับอะไรเอ่ย 4 ใช่ไหม "
    },
    {
      "message_id": 67,
      "agent_id": 13,
      "delay": 2.174,
      "onscreen_delay": 1.914,
      "typing_delay": 0.26,
      "typing_duration": 10.108,
      "wpm": 79,
      "message": "ใช่ไหม คือ 3 กับ 4 นะ มันเริ่มต้นที่ 2 ใช่ไหมคะ ก็คือ"
    },
    {
      "message_id": 68,
      "agent_id": 33,
      "delay": 6.106,
      "onscreen_delay": 4.637,
      "typing_delay": 1.469,
      "typing_duration": 15.001,
      "wpm": 33,
      "message": "เริ่มต้นที่ 2 ก็คือเริ่มต้ด้วยตัว"
    },
    {
      "message_id": 69,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.88,
      "typing_delay": 0.12,
      "typing_duration": 9.173,
      "wpm": 74,
      "message": "ถึง 4 แล้วก็ลดลงมา 1 ช่อง ก็จะได้ข้อมูลตัวนี้ "
    },
    {
      "message_id": 70,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 6.88,
      "typing_delay": 0.119,
      "typing_duration": 4.031,
      "wpm": 48,
      "message": "ก็คือ 3 กับ 4 "
    },
    {
      "message_id": 71,
      "agent_id": 13,
      "delay": 2.995,
      "onscreen_delay": 1.9,
      "typing_delay": 1.095,
      "typing_duration": 10.901,
      "wpm": 32,
      "message": "คราวนี้ แล้วเราเอาลิสต์"
    },
    {
      "message_id": 72,
      "agent_id": 33,
      "delay": 6.9,
      "onscreen_delay": 6.182,
      "typing_delay": 0.718,
      "typing_duration": 15.001,
      "wpm": 26,
      "message": "มาทำอะไรนะคะ เราเก็บข้อมูล"
    },
    {
      "message_id": 73,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 5.645,
      "wpm": 98,
      "message": "รูปแบบลิสต์ แล้วเราเอามาใช้ทำอะไรนะคะ "
    },
    {
      "message_id": 74,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.647,
      "typing_delay": 0.351,
      "typing_duration": 9.327,
      "wpm": 60,
      "message": "วันนี้เราจะพูดถึงโครงสร้างอีกแบบหนึ่ง"
    },
    {
      "message_id": 75,
      "agent_id": 13,
      "delay": 5.325,
      "onscreen_delay": 5.175,
      "typing_delay": 0.15,
      "typing_duration": 11.976,
      "wpm": 26,
      "message": "ที่มีชื่อว่า stack นะ "
    },
    {
      "message_id": 76,
      "agent_id": 33,
      "delay": 7.975,
      "onscreen_delay": 5.481,
      "typing_delay": 2.494,
      "typing_duration": 11.552,
      "wpm": 25,
      "message": "สแตกนะคะ สแตกตัวนี้"
    },
    {
      "message_id": 77,
      "agent_id": 14,
      "delay": 7.551,
      "onscreen_delay": 7.551,
      "typing_delay": 0,
      "typing_duration": 9.459,
      "wpm": 48,
      "message": "จะใช้วิธีการเก็บข้อมูลแบบลิสต์"
    },
    {
      "message_id": 78,
      "agent_id": 29,
      "delay": 5.458,
      "onscreen_delay": 4.383,
      "typing_delay": 1.075,
      "typing_duration": 6.114,
      "wpm": 52,
      "message": "นะคะ แล้วลักษณะแบบไหน"
    },
    {
      "message_id": 79,
      "agent_id": 13,
      "delay": 2.113,
      "onscreen_delay": 1.912,
      "typing_delay": 0.201,
      "typing_duration": 12.245,
      "wpm": 48,
      "message": "ที่เราจะเรียกว่า \"stack\" นะคะ ดูด้วยกัน "
    },
    {
      "message_id": 80,
      "agent_id": 33,
      "delay": 8.244,
      "onscreen_delay": 7.025,
      "typing_delay": 1.219,
      "typing_duration": 11.595,
      "wpm": 19,
      "message": "เขาบอกว่า Stack "
    },
    {
      "message_id": 81,
      "agent_id": 14,
      "delay": 7.593,
      "onscreen_delay": 7.593,
      "typing_delay": 0,
      "typing_duration": 7.036,
      "wpm": 92,
      "message": "ก็คือการที่เราใส่ข้อมูลเข้าไปแล้วก็ดึงออกมา"
    },
    {
      "message_id": 82,
      "agent_id": 29,
      "delay": 3.592,
      "onscreen_delay": 3.116,
      "typing_delay": 0.476,
      "typing_duration": 10.078,
      "wpm": 22,
      "message": "นะคะ แล้วข้อมูล"
    },
    {
      "message_id": 83,
      "agent_id": 13,
      "delay": 6.076,
      "onscreen_delay": 6.036,
      "typing_delay": 0.04,
      "typing_duration": 10.007,
      "wpm": 43,
      "message": "ที่ถูกใส่เข้าไปใน Stack จะถูก"
    },
    {
      "message_id": 84,
      "agent_id": 33,
      "delay": 6.006,
      "onscreen_delay": 5.399,
      "typing_delay": 0.607,
      "typing_duration": 13.271,
      "wpm": 32,
      "message": "เอาออกมาใช้ทีหลัง อันนี้ คือ "
    },
    {
      "message_id": 85,
      "agent_id": 14,
      "delay": 9.27,
      "onscreen_delay": 9.263,
      "typing_delay": 0.007,
      "typing_duration": 12.335,
      "wpm": 51,
      "message": "วิธีการเก็บข้อมูลแบบ stack หรือที่เรียกว่า "
    },
    {
      "message_id": 86,
      "agent_id": 29,
      "delay": 8.331,
      "onscreen_delay": 7.2,
      "typing_delay": 1.131,
      "typing_duration": 6.253,
      "wpm": 41,
      "message": "เข้าทีหลังออกก่อน "
    },
    {
      "message_id": 87,
      "agent_id": 13,
      "delay": 4.33,
      "onscreen_delay": 3.688,
      "typing_delay": 0.642,
      "typing_duration": 6.383,
      "wpm": 82,
      "message": "เข้าก่อนออกทีหลัง ความหมายเหมือนกัน "
    },
    {
      "message_id": 88,
      "agent_id": 33,
      "delay": 6.019,
      "onscreen_delay": 0,
      "typing_delay": 6.019,
      "typing_duration": 6.019,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 89,
      "agent_id": 14,
      "delay": 2.018,
      "onscreen_delay": 1.405,
      "typing_delay": 0.613,
      "typing_duration": 7.621,
      "wpm": 45,
      "message": "ยกตัวอย่างเช่น ทุกคนเคย"
    },
    {
      "message_id": 90,
      "agent_id": 29,
      "delay": 3.62,
      "onscreen_delay": 3.598,
      "typing_delay": 0.022,
      "typing_duration": 12.207,
      "wpm": 66,
      "message": "ไปที่ร้านก๋วยเตี๋ยวไหมคะ ทุกคนเคยไปที่ร้านก๋วยเตี๋ยวนะ "
    },
    {
      "message_id": 91,
      "agent_id": 13,
      "delay": 8.205,
      "onscreen_delay": 7.795,
      "typing_delay": 0.41,
      "typing_duration": 12.383,
      "wpm": 41,
      "message": "แล้วเห็นถ้วยก๋วยเตี๋ยวก่อนที่เขาจะ"
    },
    {
      "message_id": 92,
      "agent_id": 33,
      "delay": 8.382,
      "onscreen_delay": 7.511,
      "typing_delay": 0.871,
      "typing_duration": 14.035,
      "wpm": 43,
      "message": "เอามาใส่เส้น ใส่เครื่องปรุง ใส่หมูให้เรา"
    },
    {
      "message_id": 93,
      "agent_id": 14,
      "delay": 10.033,
      "onscreen_delay": 7.603,
      "typing_delay": 2.43,
      "typing_duration": 10.19,
      "wpm": 49,
      "message": "ชามก๋วยเตี๋ยวมันเรียงขึ้นไปแบบนี้"
    },
    {
      "message_id": 94,
      "agent_id": 29,
      "delay": 6.189,
      "onscreen_delay": 5.646,
      "typing_delay": 0.543,
      "typing_duration": 12.69,
      "wpm": 60,
      "message": "ใช่ไหมคะ เวลาแม่ค้าเขาจะเอาจามก๋วยเตี๋ยวมาใส่ให้เรา "
    },
    {
      "message_id": 95,
      "agent_id": 13,
      "delay": 8.687,
      "onscreen_delay": 8.627,
      "typing_delay": 0.06,
      "typing_duration": 11.608,
      "wpm": 63,
      "message": "เขาจะเอาชามก๋วยเตี๋ยวมาใส่ให้เรา เขาเอาชามที่อยู่"
    },
    {
      "message_id": 96,
      "agent_id": 33,
      "delay": 7.607,
      "onscreen_delay": 6.76,
      "typing_delay": 0.847,
      "typing_duration": 12.968,
      "wpm": 34,
      "message": "ข้างบน หรือชามที่อยู่ข้างล่าง"
    },
    {
      "message_id": 97,
      "agent_id": 14,
      "delay": 8.967,
      "onscreen_delay": 8.772,
      "typing_delay": 0.195,
      "typing_duration": 7.825,
      "wpm": 63,
      "message": "เอาชามข้างบนหรือข้างล่างคะ ข้างบน "
    },
    {
      "message_id": 98,
      "agent_id": 29,
      "delay": 4.966,
      "onscreen_delay": 4.693,
      "typing_delay": 0.273,
      "typing_duration": 6.283,
      "wpm": 53,
      "message": "เขาเอาข้างบนมาทำให้เรา "
    },
    {
      "message_id": 99,
      "agent_id": 13,
      "delay": 2.281,
      "onscreen_delay": 2.281,
      "typing_delay": 0,
      "typing_duration": 13.091,
      "wpm": 42,
      "message": "แล้วเวลาเขาล้างจานเสร็จแล้วนี่ เอาจาน"
    },
    {
      "message_id": 100,
      "agent_id": 33,
      "delay": 9.09,
      "onscreen_delay": 8.319,
      "typing_delay": 0.771,
      "typing_duration": 15.001,
      "wpm": 39,
      "message": "มาซ้อนข้างล่างหรือซ้อนข้างบน ซ้อนข้างบน"
    },
    {
      "message_id": 101,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 10.107,
      "typing_delay": 0.89,
      "typing_duration": 5.889,
      "wpm": 69,
      "message": "ใช่ไหมคะ เพราะฉะนั้น จานที่"
    },
    {
      "message_id": 102,
      "agent_id": 29,
      "delay": 6.992,
      "onscreen_delay": 6.851,
      "typing_delay": 0.141,
      "typing_duration": 6.726,
      "wpm": 65,
      "message": "อยู่บนสุดจะถูกเอาออกมาใช้ก่อน "
    },
    {
      "message_id": 103,
      "agent_id": 13,
      "delay": 2.99,
      "onscreen_delay": 2.53,
      "typing_delay": 0.46,
      "typing_duration": 12.255,
      "wpm": 34,
      "message": "และจากที่อยู่บนสุดนะคะ จะถูก"
    },
    {
      "message_id": 104,
      "agent_id": 33,
      "delay": 8.254,
      "onscreen_delay": 7.52,
      "typing_delay": 0.734,
      "typing_duration": 14.48,
      "wpm": 36,
      "message": "เอาเข้ามาเก็บทีหลัง อันนี้คือรูปแบบ"
    },
    {
      "message_id": 105,
      "agent_id": 14,
      "delay": 10.477,
      "onscreen_delay": 10.127,
      "typing_delay": 0.35,
      "typing_duration": 8.181,
      "wpm": 46,
      "message": "ของ Stack เช่นนะคะ เช่น ๆ "
    },
    {
      "message_id": 106,
      "agent_id": 29,
      "delay": 6.476,
      "onscreen_delay": 6.476,
      "typing_delay": 0,
      "typing_duration": 7.527,
      "wpm": 62,
      "message": "เช่น สมมติ ครูมีกระดาษ 1 แผ่นนะ "
    },
    {
      "message_id": 107,
      "agent_id": 13,
      "delay": 3.526,
      "onscreen_delay": 3.526,
      "typing_delay": 0,
      "typing_duration": 13.345,
      "wpm": 38,
      "message": "ครูมีกระดาษอยู่ 1 แผ่น ทุกคนดูนะคะ "
    },
    {
      "message_id": 108,
      "agent_id": 33,
      "delay": 9.345,
      "onscreen_delay": 8.696,
      "typing_delay": 0.649,
      "typing_duration": 12.529,
      "wpm": 28,
      "message": "ครูจะใส่กระดาษแผ่นที่ 2 "
    },
    {
      "message_id": 109,
      "agent_id": 14,
      "delay": 8.526,
      "onscreen_delay": 8.22,
      "typing_delay": 0.306,
      "typing_duration": 11.121,
      "wpm": 58,
      "message": "เห็นไหมคะ ครูซ่อนกระดาษแผ่นที่ 2 อยู่ข้างบน "
    },
    {
      "message_id": 110,
      "agent_id": 29,
      "delay": 7.12,
      "onscreen_delay": 6.11,
      "typing_delay": 1.01,
      "typing_duration": 8.892,
      "wpm": 32,
      "message": "ครูใส่ ครูใส่กระดาษ"
    },
    {
      "message_id": 111,
      "agent_id": 13,
      "delay": 4.891,
      "onscreen_delay": 4.782,
      "typing_delay": 0.109,
      "typing_duration": 11.252,
      "wpm": 44,
      "message": "แผ่นที่ 3 เข้าไปนะคะ แล้วครูก็ใส่"
    },
    {
      "message_id": 112,
      "agent_id": 33,
      "delay": 7.249,
      "onscreen_delay": 6.447,
      "typing_delay": 0.802,
      "typing_duration": 15.002,
      "wpm": 35,
      "message": "กระดาษแผ่นที่ 4 เข้าไปในมือครู เวลา"
    },
    {
      "message_id": 113,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 11.001,
      "typing_delay": 0,
      "typing_duration": 11.275,
      "wpm": 72,
      "message": "ครูจะเอาออกมาใช้ครูจะเอาตัวล่างสุดหรือตัวบนสุดออกมาใช้ "
    },
    {
      "message_id": 114,
      "agent_id": 29,
      "delay": 7.274,
      "onscreen_delay": 5.446,
      "typing_delay": 1.828,
      "typing_duration": 14.132,
      "wpm": 17,
      "message": "ตัวบนสุดถูกไหมคะ "
    },
    {
      "message_id": 115,
      "agent_id": 13,
      "delay": 10.131,
      "onscreen_delay": 9.79,
      "typing_delay": 0.341,
      "typing_duration": 14.359,
      "wpm": 53,
      "message": "ครูไม่พยายามจะดึงตัวล่างสุดออกมานะคะ ครูจะหยิบตัวบน"
    },
    {
      "message_id": 116,
      "agent_id": 33,
      "delay": 10.356,
      "onscreen_delay": 9.721,
      "typing_delay": 0.635,
      "typing_duration": 11.547,
      "wpm": 34,
      "message": "สุดอกไปใช้ ซึ่งตัวบนสุดนี่"
    },
    {
      "message_id": 117,
      "agent_id": 14,
      "delay": 7.545,
      "onscreen_delay": 7.068,
      "typing_delay": 0.477,
      "typing_duration": 6.068,
      "wpm": 87,
      "message": "คือ กระดาษแผ่นที่เราใส่ไปล่าสุดนะคะ "
    },
    {
      "message_id": 118,
      "agent_id": 29,
      "delay": 3.541,
      "onscreen_delay": 0.273,
      "typing_delay": 3.268,
      "typing_duration": 6.793,
      "wpm": 2,
      "message": "เ"
    },
    {
      "message_id": 119,
      "agent_id": 13,
      "delay": 2.791,
      "onscreen_delay": 2.696,
      "typing_delay": 0.095,
      "typing_duration": 10.907,
      "wpm": 63,
      "message": "เราสามารถสรุปได้แบบนี้นะ ข้อมูลที่อยู่ใน Stack "
    },
    {
      "message_id": 120,
      "agent_id": 33,
      "delay": 6.906,
      "onscreen_delay": 6.177,
      "typing_delay": 0.729,
      "typing_duration": 15,
      "wpm": 25,
      "message": "ตัวแรกจะอยู่ด้านล่างสุด ข"
    },
    {
      "message_id": 121,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 10.599,
      "typing_delay": 0.398,
      "typing_duration": 9.617,
      "wpm": 83,
      "message": "ข้อมูลที่หย่อนลงไปใน Stack ตัวแรกจะอยู่ด้านล่างสุดเลย"
    },
    {
      "message_id": 122,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 6.072,
      "typing_delay": 0.924,
      "typing_duration": 8.404,
      "wpm": 48,
      "message": "นะคะ ตัวถัดไปก็จะซ้อนขึ้นมา"
    },
    {
      "message_id": 123,
      "agent_id": 13,
      "delay": 4.403,
      "onscreen_delay": 4.212,
      "typing_delay": 0.191,
      "typing_duration": 8.637,
      "wpm": 31,
      "message": "เรื่อย ๆ ข้อมูลที่"
    },
    {
      "message_id": 124,
      "agent_id": 33,
      "delay": 4.635,
      "onscreen_delay": 3.973,
      "typing_delay": 0.662,
      "typing_duration": 13.876,
      "wpm": 31,
      "message": "เข้าไปใน Stack เป็นตัวสุดท้าย"
    },
    {
      "message_id": 125,
      "agent_id": 14,
      "delay": 9.874,
      "onscreen_delay": 9.173,
      "typing_delay": 0.701,
      "typing_duration": 6.508,
      "wpm": 58,
      "message": "นะคะ จะอยู่บนสุด แล้วเวลา"
    },
    {
      "message_id": 126,
      "agent_id": 29,
      "delay": 5.872,
      "onscreen_delay": 5.267,
      "typing_delay": 0.605,
      "typing_duration": 8.191,
      "wpm": 59,
      "message": "เราเอาข้อมูลใน Stack ออกมาใช้งาน "
    },
    {
      "message_id": 127,
      "agent_id": 13,
      "delay": 4.19,
      "onscreen_delay": 3.358,
      "typing_delay": 0.832,
      "typing_duration": 8.015,
      "wpm": 52,
      "message": "ข้อมูลที่เข้าไปเป็นตัวล่าสุด"
    },
    {
      "message_id": 128,
      "agent_id": 33,
      "delay": 4.012,
      "onscreen_delay": 3.333,
      "typing_delay": 0.679,
      "typing_duration": 15.001,
      "wpm": 26,
      "message": "หรือตัวลำดับสุดท้าย  จะถูก"
    },
    {
      "message_id": 129,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.982,
      "typing_delay": 0.018,
      "typing_duration": 7.501,
      "wpm": 50,
      "message": "ดึงออกมาใช้งานก่อน ตัวไหน"
    },
    {
      "message_id": 130,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 6.999,
      "typing_delay": 0,
      "typing_duration": 8.333,
      "wpm": 56,
      "message": "ที่เข้าไปตัวแรกจะถูกเอามาใช้งาน"
    },
    {
      "message_id": 131,
      "agent_id": 13,
      "delay": 4.33,
      "onscreen_delay": 4.33,
      "typing_delay": 0,
      "typing_duration": 11.445,
      "wpm": 50,
      "message": "เป็นตัวสุดท้ายนะคะ เพราะมันอยู่ล่างสุด "
    },
    {
      "message_id": 132,
      "agent_id": 33,
      "delay": 7.444,
      "onscreen_delay": 6.766,
      "typing_delay": 0.678,
      "typing_duration": 14.376,
      "wpm": 45,
      "message": "มันก็ใช้ยาก เราต้องใช้ตัวบน ค่อย ๆ ดึงตัวบน"
    },
    {
      "message_id": 133,
      "agent_id": 14,
      "delay": 10.375,
      "onscreen_delay": 10.375,
      "typing_delay": 0,
      "typing_duration": 5.119,
      "wpm": 26,
      "message": "ออกไปก่อน "
    },
    {
      "message_id": 134,
      "agent_id": 29,
      "delay": 6.374,
      "onscreen_delay": 5.876,
      "typing_delay": 0.498,
      "typing_duration": 8.042,
      "wpm": 63,
      "message": "คราวนี้เวลาเราเอาข้อมูลใส่ใน Stack "
    },
    {
      "message_id": 135,
      "agent_id": 13,
      "delay": 4.04,
      "onscreen_delay": 3.799,
      "typing_delay": 0.241,
      "typing_duration": 11.873,
      "wpm": 47,
      "message": "เราพูดถึง Stack ก็เหมือนภาชนะนะ Stack "
    },
    {
      "message_id": 136,
      "agent_id": 33,
      "delay": 7.872,
      "onscreen_delay": 7.23,
      "typing_delay": 0.642,
      "typing_duration": 15.002,
      "wpm": 32,
      "message": "เป็นช่องแบบนี้ เป็นช่องสี่เหลี่ย"
    },
    {
      "message_id": 137,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 10.952,
      "typing_delay": 0.049,
      "typing_duration": 7.88,
      "wpm": 59,
      "message": "ในแนวตั้ง ถ้าเราพูดถึง Stack นะ "
    },
    {
      "message_id": 138,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 6.435,
      "typing_delay": 0.564,
      "typing_duration": 15,
      "wpm": 55,
      "message": "ดูรูปนี้ก่อน อย่างนี้ มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้ "
    },
    {
      "message_id": 139,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 10.932,
      "typing_delay": 0.067,
      "typing_duration": 11.269,
      "wpm": 44,
      "message": "มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้ "
    },
    {
      "message_id": 140,
      "agent_id": 33,
      "delay": 7.267,
      "onscreen_delay": 6.192,
      "typing_delay": 1.075,
      "typing_duration": 15.001,
      "wpm": 31,
      "message": "ถ้าพูดถึง Stack ก้คือเป็นชั้น ๆ "
    },
    {
      "message_id": 141,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 7.293,
      "wpm": 70,
      "message": "เลื่อนขึ้นไปเรื่อย ๆ นะคะ ใน Stack "
    },
    {
      "message_id": 142,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 6.293,
      "typing_delay": 0.702,
      "typing_duration": 7.122,
      "wpm": 70,
      "message": "เราทำอะไรได้บ้าง เราใส่ข้อมูลลงไป "
    },
    {
      "message_id": 143,
      "agent_id": 13,
      "delay": 3.121,
      "onscreen_delay": 3.006,
      "typing_delay": 0.115,
      "typing_duration": 8.475,
      "wpm": 44,
      "message": "เราดึงข้อมูลออกมา คราวนี้ "
    },
    {
      "message_id": 144,
      "agent_id": 33,
      "delay": 4.471,
      "onscreen_delay": 3.05,
      "typing_delay": 1.421,
      "typing_duration": 14.602,
      "wpm": 30,
      "message": "stackถ้ามันไม่มีข้อมูลอะไรเลย"
    },
    {
      "message_id": 145,
      "agent_id": 14,
      "delay": 10.6,
      "onscreen_delay": 10.523,
      "typing_delay": 0.077,
      "typing_duration": 9.368,
      "wpm": 69,
      "message": "เราเรียกว่า \"Stack ว่าง\" คือ มันมีค่าว่าง ๆ "
    },
    {
      "message_id": 146,
      "agent_id": 29,
      "delay": 6.598,
      "onscreen_delay": 6.493,
      "typing_delay": 0.105,
      "typing_duration": 12.057,
      "wpm": 36,
      "message": "ไม่มีตัวอักษรอะไรเลยนะ อันนี้"
    },
    {
      "message_id": 147,
      "agent_id": 13,
      "delay": 8.056,
      "onscreen_delay": 8.055,
      "typing_delay": 0.001,
      "typing_duration": 5.002,
      "wpm": 42,
      "message": "คือ Stack ว่าง "
    },
    {
      "message_id": 148,
      "agent_id": 33,
      "delay": 4.054,
      "onscreen_delay": 3.382,
      "typing_delay": 0.672,
      "typing_duration": 14.784,
      "wpm": 29,
      "message": "ถ้าเราจะใส่ข้อมูลลงไปใน Stack "
    },
    {
      "message_id": 149,
      "agent_id": 14,
      "delay": 10.78,
      "onscreen_delay": 10.78,
      "typing_delay": 0,
      "typing_duration": 7.679,
      "wpm": 55,
      "message": "เราจะมีคำสั่งที่ชื่อว่า Push "
    },
    {
      "message_id": 150,
      "agent_id": 29,
      "delay": 6.779,
      "onscreen_delay": 6.541,
      "typing_delay": 0.238,
      "typing_duration": 4.096,
      "wpm": 70,
      "message": "คือคำสั่งตัวนี้นะคะ "
    },
    {
      "message_id": 151,
      "agent_id": 13,
      "delay": 2.778,
      "onscreen_delay": 0.666,
      "typing_delay": 2.112,
      "typing_duration": 8.25,
      "wpm": 36,
      "message": "คำสั่ง Push ก็คือใส่"
    },
    {
      "message_id": 152,
      "agent_id": 33,
      "delay": 4.248,
      "onscreen_delay": 3.547,
      "typing_delay": 0.701,
      "typing_duration": 15,
      "wpm": 32,
      "message": "ข้อมูลลงไปใน Stack ถ้าต้องการเอา"
    },
    {
      "message_id": 153,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 9.298,
      "wpm": 65,
      "message": "ข้อมูลออกจาก Stack เราใช้คำสั่ง Pop นะคะ "
    },
    {
      "message_id": 154,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 5.462,
      "typing_delay": 1.536,
      "typing_duration": 7.328,
      "wpm": 61,
      "message": "มีอยู่ 2 ตัวที่ทุกคนต้องรู้จัก "
    },
    {
      "message_id": 155,
      "agent_id": 13,
      "delay": 3.326,
      "onscreen_delay": 3.288,
      "typing_delay": 0.038,
      "typing_duration": 10.311,
      "wpm": 49,
      "message": "เมื่อพูดถึง Stack คือ Push กับ Pop "
    },
    {
      "message_id": 156,
      "agent_id": 33,
      "delay": 6.307,
      "onscreen_delay": 5.237,
      "typing_delay": 1.07,
      "typing_duration": 15.001,
      "wpm": 19,
      "message": "Push คือใส่ ก็คือเอ"
    },
    {
      "message_id": 157,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 10.856,
      "typing_delay": 0.142,
      "typing_duration": 10.024,
      "wpm": 58,
      "message": "ส่วน Pop ก็คือเอาออกนะคะ Pop คือ เอาออก "
    },
    {
      "message_id": 158,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 3.01,
      "typing_delay": 3.987,
      "typing_duration": 6.177,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 159,
      "agent_id": 13,
      "delay": 2.995,
      "onscreen_delay": 2.995,
      "typing_delay": 0,
      "typing_duration": 10.394,
      "wpm": 61,
      "message": "คราวนี้มาดูตัวอย่างนะคะ มีแต่ Push กับ Pop "
    },
    {
      "message_id": 160,
      "agent_id": 33,
      "delay": 6.393,
      "onscreen_delay": 5.032,
      "typing_delay": 1.361,
      "typing_duration": 15,
      "wpm": 36,
      "message": "2 ตัว เราเริ่มต้น Stack ไม่มีอะไรเลย"
    },
    {
      "message_id": 161,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 9.99,
      "typing_delay": 1.009,
      "typing_duration": 9.858,
      "wpm": 58,
      "message": "เป็นค่าว่าง ๆ ถูกไหมคะ เป็น Stack ว่าง "
    },
    {
      "message_id": 162,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 5.73,
      "typing_delay": 1.268,
      "typing_duration": 9.398,
      "wpm": 27,
      "message": "ครูบอกว่าครู Push "
    },
    {
      "message_id": 163,
      "agent_id": 13,
      "delay": 5.397,
      "onscreen_delay": 5.304,
      "typing_delay": 0.093,
      "typing_duration": 9.952,
      "wpm": 65,
      "message": "คำสั่ง Push Push ค่าอะไร ค่า a เมื่อไรก็ตาม"
    },
    {
      "message_id": 164,
      "agent_id": 33,
      "delay": 5.949,
      "onscreen_delay": 5.033,
      "typing_delay": 0.916,
      "typing_duration": 15,
      "wpm": 26,
      "message": "ที่ใช้คำสั่ง Push ต้องบอกด"
    },
    {
      "message_id": 165,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.996,
      "typing_delay": 0.003,
      "typing_duration": 4.663,
      "wpm": 64,
      "message": "จะใส่ค่าอะไรด้วยนะคะ "
    },
    {
      "message_id": 166,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 4.915,
      "typing_delay": 2.083,
      "typing_duration": 8.247,
      "wpm": 35,
      "message": "เรา Push ค่า a ลงไป"
    },
    {
      "message_id": 167,
      "agent_id": 13,
      "delay": 4.246,
      "onscreen_delay": 3.958,
      "typing_delay": 0.288,
      "typing_duration": 10.511,
      "wpm": 54,
      "message": "เห็นไหม มันก็อยู่ด้านล่างสุดนะคะ ถัดมา "
    },
    {
      "message_id": 168,
      "agent_id": 33,
      "delay": 6.51,
      "onscreen_delay": 5.631,
      "typing_delay": 0.879,
      "typing_duration": 12.031,
      "wpm": 19,
      "message": "ถ้าครูใส่คำสั่ง"
    },
    {
      "message_id": 169,
      "agent_id": 14,
      "delay": 8.028,
      "onscreen_delay": 8.028,
      "typing_delay": 0,
      "typing_duration": 8.413,
      "wpm": 68,
      "message": "ตัวบนก่อน Push b ก็ใส่ b ลงมาเห็นไหมคะ "
    },
    {
      "message_id": 170,
      "agent_id": 29,
      "delay": 4.412,
      "onscreen_delay": 4.189,
      "typing_delay": 0.223,
      "typing_duration": 9.632,
      "wpm": 36,
      "message": "ถัดจาก a ก็คือ b Push c "
    },
    {
      "message_id": 171,
      "agent_id": 13,
      "delay": 5.631,
      "onscreen_delay": 4.99,
      "typing_delay": 0.641,
      "typing_duration": 12.691,
      "wpm": 38,
      "message": "ก็อยู่ถัดขึ้นไป และ Push(D) อยู่"
    },
    {
      "message_id": 172,
      "agent_id": 33,
      "delay": 8.687,
      "onscreen_delay": 7.783,
      "typing_delay": 0.904,
      "typing_duration": 13.254,
      "wpm": 34,
      "message": "บนสุดนะคะ เรียงตรามลำดับของการ"
    },
    {
      "message_id": 173,
      "agent_id": 14,
      "delay": 9.251,
      "onscreen_delay": 9.242,
      "typing_delay": 0.009,
      "typing_duration": 5.535,
      "wpm": 41,
      "message": "ใส่ข้อมูลเข้าไป "
    },
    {
      "message_id": 174,
      "agent_id": 29,
      "delay": 5.249,
      "onscreen_delay": 4.345,
      "typing_delay": 0.904,
      "typing_duration": 6.139,
      "wpm": 56,
      "message": "คราวนี้อยากจะเอาออกบ้าง "
    },
    {
      "message_id": 175,
      "agent_id": 13,
      "delay": 2.134,
      "onscreen_delay": 1.983,
      "typing_delay": 0.151,
      "typing_duration": 10.668,
      "wpm": 65,
      "message": "เอาข้อมูลออกจาก Stack ไปใช้งาน จะใช้คำสั่ง Pop "
    },
    {
      "message_id": 176,
      "agent_id": 33,
      "delay": 6.667,
      "onscreen_delay": 4.827,
      "typing_delay": 1.84,
      "typing_duration": 11.957,
      "wpm": 13,
      "message": "Pop นะ Pop"
    },
    {
      "message_id": 177,
      "agent_id": 14,
      "delay": 7.956,
      "onscreen_delay": 7.956,
      "typing_delay": 0,
      "typing_duration": 8.548,
      "wpm": 89,
      "message": "แล้วตามด้วยวงเล็บเปิดและวงเล็บปิด ไม่ต้องใส่ค่าอะไร "
    },
    {
      "message_id": 178,
      "agent_id": 29,
      "delay": 4.547,
      "onscreen_delay": 4.297,
      "typing_delay": 0.25,
      "typing_duration": 7.078,
      "wpm": 83,
      "message": "เพราะเราจะไปดึงค่าที่อยู่ใน Stack ออกมา "
    },
    {
      "message_id": 179,
      "agent_id": 13,
      "delay": 4.024,
      "onscreen_delay": 0,
      "typing_delay": 4.024,
      "typing_duration": 4.024,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 180,
      "agent_id": 33,
      "delay": 1.097,
      "onscreen_delay": 0,
      "typing_delay": 1.097,
      "typing_duration": 13.897,
      "wpm": 32,
      "message": "เราสั่งคำสั่ง Pop เราเอาข้อมูล"
    },
    {
      "message_id": 181,
      "agent_id": 14,
      "delay": 9.895,
      "onscreen_delay": 9.895,
      "typing_delay": 0,
      "typing_duration": 9.588,
      "wpm": 48,
      "message": "บนสุดนะคะ Pop ให้เอาข้อมูลบนสุด"
    },
    {
      "message_id": 182,
      "agent_id": 29,
      "delay": 5.894,
      "onscreen_delay": 5.285,
      "typing_delay": 0.609,
      "typing_duration": 6.393,
      "wpm": 56,
      "message": "ที่อยู่ใน Stack ดึงออกมา "
    },
    {
      "message_id": 183,
      "agent_id": 13,
      "delay": 2.392,
      "onscreen_delay": 2.243,
      "typing_delay": 0.149,
      "typing_duration": 6.094,
      "wpm": 81,
      "message": "เพราะฉะนั้น เดิมเป็นแบบนี้ ถูกไหม "
    },
    {
      "message_id": 184,
      "agent_id": 33,
      "delay": 2.093,
      "onscreen_delay": 1.426,
      "typing_delay": 0.667,
      "typing_duration": 14.788,
      "wpm": 30,
      "message": "ครูใช้คำสั่ง Pop อะไรออกมาเอ่ย"
    },
    {
      "message_id": 185,
      "agent_id": 14,
      "delay": 10.787,
      "onscreen_delay": 10.641,
      "typing_delay": 0.146,
      "typing_duration": 11.211,
      "wpm": 39,
      "message": "ตัว D Dog จะออกมา เพราะ D Dog "
    },
    {
      "message_id": 186,
      "agent_id": 29,
      "delay": 7.209,
      "onscreen_delay": 6.779,
      "typing_delay": 0.43,
      "typing_duration": 4.632,
      "wpm": 42,
      "message": "อยู่บนสุดนะคะ "
    },
    {
      "message_id": 187,
      "agent_id": 13,
      "delay": 3.933,
      "onscreen_delay": 0,
      "typing_delay": 3.933,
      "typing_duration": 6.598,
      "wpm": 11,
      "message": "ถัดมา "
    },
    {
      "message_id": 188,
      "agent_id": 33,
      "delay": 2.597,
      "onscreen_delay": 1.674,
      "typing_delay": 0.923,
      "typing_duration": 15.001,
      "wpm": 21,
      "message": "ครู Push คือใส่เข้าไป"
    },
    {
      "message_id": 189,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 10.654,
      "wpm": 69,
      "message": "ไม่มี D Dog แล้วนะ ครู Push e เห็นไหมคะ เวลา Push "
    },
    {
      "message_id": 190,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.164,
      "typing_delay": 0.834,
      "typing_duration": 11.16,
      "wpm": 36,
      "message": "ต้องบอกด้วยว่าเราใส่ค่าอะไร "
    },
    {
      "message_id": 191,
      "agent_id": 13,
      "delay": 7.158,
      "onscreen_delay": 7.127,
      "typing_delay": 0.031,
      "typing_duration": 13.808,
      "wpm": 48,
      "message": "แล้วก็ใส่ตัว e วงเล็บปิด ครู Push ค่า e ลงไป "
    },
    {
      "message_id": 192,
      "agent_id": 33,
      "delay": 9.806,
      "onscreen_delay": 8.602,
      "typing_delay": 1.204,
      "typing_duration": 15,
      "wpm": 31,
      "message": "E จะอยู่ด้านบน C เสร็จแล้ว Push "
    },
    {
      "message_id": 193,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.892,
      "typing_delay": 0.107,
      "typing_duration": 7.223,
      "wpm": 69,
      "message": "อีกครั้งหนึ่ง f ก็จะอยู่บนสุดนะคะ "
    },
    {
      "message_id": 194,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 4.996,
      "typing_delay": 2.001,
      "typing_duration": 9.608,
      "wpm": 19,
      "message": "ถัดมาครู Pop "
    },
    {
      "message_id": 195,
      "agent_id": 13,
      "delay": 5.607,
      "onscreen_delay": 4.522,
      "typing_delay": 1.085,
      "typing_duration": 10.521,
      "wpm": 63,
      "message": "Pop คือ เอาออก เอาอะไรออก ข้างบนสุดคืออะไรคะ "
    },
    {
      "message_id": 196,
      "agent_id": 33,
      "delay": 6.519,
      "onscreen_delay": 5.845,
      "typing_delay": 0.674,
      "typing_duration": 14.065,
      "wpm": 29,
      "message": "เอา F ออก เพราะฉะนั้นข้อมูล"
    },
    {
      "message_id": 197,
      "agent_id": 14,
      "delay": 10.064,
      "onscreen_delay": 10.045,
      "typing_delay": 0.019,
      "typing_duration": 12.024,
      "wpm": 50,
      "message": "จะเหลืออยู่ 4 ตัว ก็คือ a, b, c แล้วก็ e "
    },
    {
      "message_id": 198,
      "agent_id": 29,
      "delay": 8.022,
      "onscreen_delay": 3.852,
      "typing_delay": 4.17,
      "typing_duration": 4.17,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 199,
      "agent_id": 13,
      "delay": 4.021,
      "onscreen_delay": 2.437,
      "typing_delay": 1.584,
      "typing_duration": 6.059,
      "wpm": 25,
      "message": "โอเค ถัดมา "
    },
    {
      "message_id": 200,
      "agent_id": 33,
      "delay": 2.995,
      "onscreen_delay": 0,
      "typing_delay": 2.995,
      "typing_duration": 14.486,
      "wpm": 22,
      "message": "เราแทน Stack ด้วยอะไร"
    },
    {
      "message_id": 201,
      "agent_id": 14,
      "delay": 10.485,
      "onscreen_delay": 9.674,
      "typing_delay": 0.811,
      "typing_duration": 6.194,
      "wpm": 65,
      "message": "นะคะ อย่างที่ครูบอกว่าลิสต์"
    },
    {
      "message_id": 202,
      "agent_id": 29,
      "delay": 6.484,
      "onscreen_delay": 6.045,
      "typing_delay": 0.439,
      "typing_duration": 6.949,
      "wpm": 73,
      "message": "จะถูกเอามาใช้แทนนะคะ การเก็บข้อมูล"
    },
    {
      "message_id": 203,
      "agent_id": 13,
      "delay": 2.947,
      "onscreen_delay": 2.676,
      "typing_delay": 0.271,
      "typing_duration": 13.014,
      "wpm": 59,
      "message": "ใน Stack เราพูดถึง Stack แล้วมันจัดเก็บแบบไหน ลิสต์"
    },
    {
      "message_id": 204,
      "agent_id": 33,
      "delay": 9.013,
      "onscreen_delay": 7.463,
      "typing_delay": 1.55,
      "typing_duration": 12.526,
      "wpm": 26,
      "message": "นั่นล่ะในการเก็บข้อมูล"
    },
    {
      "message_id": 205,
      "agent_id": 14,
      "delay": 8.523,
      "onscreen_delay": 8.31,
      "typing_delay": 0.213,
      "typing_duration": 10.956,
      "wpm": 59,
      "message": "ลิสต์นะคะ เราสามารถวาดเป็นแนวตั้งหรือแนวนอน"
    },
    {
      "message_id": 206,
      "agent_id": 29,
      "delay": 6.955,
      "onscreen_delay": 6.623,
      "typing_delay": 0.332,
      "typing_duration": 9.973,
      "wpm": 41,
      "message": "ก็ได้นะ สามารถวาดเป็นแนวนอน"
    },
    {
      "message_id": 207,
      "agent_id": 13,
      "delay": 5.972,
      "onscreen_delay": 5.972,
      "typing_delay": 0,
      "typing_duration": 9.031,
      "wpm": 73,
      "message": "หรือแนวนอนก็ได้ ข้อมูลที่ใส่เข้ามาตัวแรกนะคะ "
    },
    {
      "message_id": 208,
      "agent_id": 33,
      "delay": 5.029,
      "onscreen_delay": 4.253,
      "typing_delay": 0.776,
      "typing_duration": 14.743,
      "wpm": 36,
      "message": "จะอยู่ที่ index 0 ก็คือข้อมูลตัวแรก"
    },
    {
      "message_id": 209,
      "agent_id": 14,
      "delay": 10.741,
      "onscreen_delay": 10.442,
      "typing_delay": 0.299,
      "typing_duration": 9.431,
      "wpm": 56,
      "message": "ไล่ไปเรื่อย ๆ จนถึงข้อมูลตัวสุดท้าย "
    },
    {
      "message_id": 210,
      "agent_id": 29,
      "delay": 6.739,
      "onscreen_delay": 5.228,
      "typing_delay": 1.511,
      "typing_duration": 4.263,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 211,
      "agent_id": 13,
      "delay": 2.729,
      "onscreen_delay": 0.888,
      "typing_delay": 1.841,
      "typing_duration": 13.951,
      "wpm": 34,
      "message": "Stack ที่ครูให้มานี่ ที่เก็บอยู่"
    },
    {
      "message_id": 212,
      "agent_id": 33,
      "delay": 9.95,
      "onscreen_delay": 8.874,
      "typing_delay": 1.076,
      "typing_duration": 14.161,
      "wpm": 24,
      "message": "ในรูปแบบที่เป็นลิสต์นี่ "
    },
    {
      "message_id": 213,
      "agent_id": 14,
      "delay": 10.159,
      "onscreen_delay": 10.12,
      "typing_delay": 0.039,
      "typing_duration": 9.464,
      "wpm": 63,
      "message": "มันมีที่ว่างให้ใส่ได้อีกไหม Stack รูปนี้"
    },
    {
      "message_id": 214,
      "agent_id": 29,
      "delay": 6.156,
      "onscreen_delay": 5.186,
      "typing_delay": 0.97,
      "typing_duration": 7.263,
      "wpm": 78,
      "message": "มีอยู่ 4 ช่องด้วยกัน ทุกช่องมีค่าไหมคะ "
    },
    {
      "message_id": 215,
      "agent_id": 13,
      "delay": 3.262,
      "onscreen_delay": 1.855,
      "typing_delay": 1.407,
      "typing_duration": 4.642,
      "wpm": 45,
      "message": "ทุกช่องมีค่านะ "
    },
    {
      "message_id": 216,
      "agent_id": 33,
      "delay": 1.072,
      "onscreen_delay": 0,
      "typing_delay": 1.072,
      "typing_duration": 14.077,
      "wpm": 17,
      "message": "มันเต็มหรือยังคะ "
    },
    {
      "message_id": 217,
      "agent_id": 14,
      "delay": 10.076,
      "onscreen_delay": 8.839,
      "typing_delay": 1.237,
      "typing_duration": 6.064,
      "wpm": 89,
      "message": "มันมีที่ว่างให้ใส่อีกไหมคะ ไม่มีแล้ว "
    },
    {
      "message_id": 218,
      "agent_id": 29,
      "delay": 6.075,
      "onscreen_delay": 5.011,
      "typing_delay": 1.064,
      "typing_duration": 10.313,
      "wpm": 45,
      "message": "อย่างนี้เรียกว่า Stack เต็มแล้ว "
    },
    {
      "message_id": 219,
      "agent_id": 13,
      "delay": 6.312,
      "onscreen_delay": 6.012,
      "typing_delay": 0.3,
      "typing_duration": 12.995,
      "wpm": 59,
      "message": "นะคะ คือ ไม่มีช่องว่างให้เราใส่ข้อมูลตัวใหม่ได้แล้ว "
    },
    {
      "message_id": 220,
      "agent_id": 33,
      "delay": 8.991,
      "onscreen_delay": 8.422,
      "typing_delay": 0.569,
      "typing_duration": 15.001,
      "wpm": 37,
      "message": "นะคะ แบบนี้เรียกว่า Stack มันเต็มแล้ง"
    },
    {
      "message_id": 221,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.864,
      "typing_delay": 4.136,
      "typing_duration": 4.136,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 222,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 5.025,
      "typing_delay": 1.975,
      "typing_duration": 7.292,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 223,
      "agent_id": 13,
      "delay": 3.29,
      "onscreen_delay": 2.532,
      "typing_delay": 0.758,
      "typing_duration": 6.725,
      "wpm": 49,
      "message": "คราวนี้ เรามี 2 คำสั่ง"
    },
    {
      "message_id": 224,
      "agent_id": 33,
      "delay": 2.687,
      "onscreen_delay": 1.854,
      "typing_delay": 0.833,
      "typing_duration": 12.609,
      "wpm": 29,
      "message": "ที่พูดถึงนะ Push กับ Pop"
    },
    {
      "message_id": 225,
      "agent_id": 14,
      "delay": 8.606,
      "onscreen_delay": 7.131,
      "typing_delay": 1.475,
      "typing_duration": 7.757,
      "wpm": 60,
      "message": "Push ก็คือใส่ข้อมูลลงไปใน Stack "
    },
    {
      "message_id": 226,
      "agent_id": 29,
      "delay": 4.605,
      "onscreen_delay": 2.926,
      "typing_delay": 1.679,
      "typing_duration": 6.033,
      "wpm": 40,
      "message": "เช่น ครูมี Stack "
    },
    {
      "message_id": 227,
      "agent_id": 13,
      "delay": 2.032,
      "onscreen_delay": 2.012,
      "typing_delay": 0.02,
      "typing_duration": 12.489,
      "wpm": 67,
      "message": "อย่างนี้ใช่ไหม มันมีที่ว่างให้ครูใส่ข้อมูลได้ไหมคะ มันมี"
    },
    {
      "message_id": 228,
      "agent_id": 33,
      "delay": 8.487,
      "onscreen_delay": 7.772,
      "typing_delay": 0.715,
      "typing_duration": 14.708,
      "wpm": 30,
      "message": "ที่ว่างให้ครูใส่ข้อมูลได้ ครู"
    },
    {
      "message_id": 229,
      "agent_id": 14,
      "delay": 10.707,
      "onscreen_delay": 10.707,
      "typing_delay": 0,
      "typing_duration": 8.528,
      "wpm": 76,
      "message": "ก็เลยสั่งคำสั่ง Push 3 ก็คือเอาข้อมูล 3 นี่"
    },
    {
      "message_id": 230,
      "agent_id": 29,
      "delay": 6.705,
      "onscreen_delay": 6.322,
      "typing_delay": 0.383,
      "typing_duration": 9.729,
      "wpm": 59,
      "message": "ไปหย่อนลงใน Stack มันจะเอามาใส่ช่องนี้ "
    },
    {
      "message_id": 231,
      "agent_id": 13,
      "delay": 5.728,
      "onscreen_delay": 4.853,
      "typing_delay": 0.875,
      "typing_duration": 9.059,
      "wpm": 61,
      "message": "ช่องที่ 1 หรือช่องที่ 2 ค่ะ ช่องที่ 1 "
    },
    {
      "message_id": 232,
      "agent_id": 33,
      "delay": 5.055,
      "onscreen_delay": 4.23,
      "typing_delay": 0.825,
      "typing_duration": 13.489,
      "wpm": 32,
      "message": "ถูกไหม ก็ไล่ลำดับลงมาเรื่อย ๆ "
    },
    {
      "message_id": 233,
      "agent_id": 14,
      "delay": 9.486,
      "onscreen_delay": 9.486,
      "typing_delay": 0,
      "typing_duration": 9.4,
      "wpm": 67,
      "message": "มันอยู่ช่องนี้แล้ว ข้อมูลล่าสุดอยู่ช่องนี้ "
    },
    {
      "message_id": 234,
      "agent_id": 29,
      "delay": 5.485,
      "onscreen_delay": 4.649,
      "typing_delay": 0.836,
      "typing_duration": 9.889,
      "wpm": 41,
      "message": "มันก็ไหลลงไปจนถึงตัวสุดท้าย"
    },
    {
      "message_id": 235,
      "agent_id": 13,
      "delay": 5.888,
      "onscreen_delay": 5.58,
      "typing_delay": 0.308,
      "typing_duration": 14.154,
      "wpm": 54,
      "message": "ที่มันสามารถจะใส่ได้ ก็คือในช่องตรงนี้ ก็คือจะเอา 3 "
    },
    {
      "message_id": 236,
      "agent_id": 33,
      "delay": 10.153,
      "onscreen_delay": 9.449,
      "typing_delay": 0.704,
      "typing_duration": 6.189,
      "wpm": 12,
      "message": "มาใส่"
    },
    {
      "message_id": 237,
      "agent_id": 14,
      "delay": 6.15,
      "onscreen_delay": 5.747,
      "typing_delay": 0.403,
      "typing_duration": 6.897,
      "wpm": 52,
      "message": "แล้วเราใส่ด้วยคำสั่งอะไร "
    },
    {
      "message_id": 238,
      "agent_id": 29,
      "delay": 2.896,
      "onscreen_delay": 1.977,
      "typing_delay": 0.919,
      "typing_duration": 8.85,
      "wpm": 27,
      "message": "เราใช้ List นะคะ "
    },
    {
      "message_id": 239,
      "agent_id": 13,
      "delay": 4.843,
      "onscreen_delay": 4.717,
      "typing_delay": 0.126,
      "typing_duration": 13.358,
      "wpm": 54,
      "message": "ในการจัดเก็บข้อมูล เราใช้ลิสต์ในการจัดเก็บข้อมูล "
    },
    {
      "message_id": 240,
      "agent_id": 33,
      "delay": 9.356,
      "onscreen_delay": 7.993,
      "typing_delay": 1.363,
      "typing_duration": 15,
      "wpm": 23,
      "message": "เพราะฉะนั้นคำสั่งของการ "
    },
    {
      "message_id": 241,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 9.224,
      "wpm": 62,
      "message": "เพิ่มข้อมูลลงไปใน Stack ก็คือใช้คำสั่ง "
    },
    {
      "message_id": 242,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 6.569,
      "typing_delay": 0.427,
      "typing_duration": 9.757,
      "wpm": 40,
      "message": "Append ได้เลย เพราะ Append "
    },
    {
      "message_id": 243,
      "agent_id": 13,
      "delay": 5.756,
      "onscreen_delay": 5.462,
      "typing_delay": 0.294,
      "typing_duration": 6.88,
      "wpm": 68,
      "message": "เป็นคำสั่งของการเพิ่มข้อมูลลงไป"
    },
    {
      "message_id": 244,
      "agent_id": 33,
      "delay": 2.877,
      "onscreen_delay": 1.984,
      "typing_delay": 0.893,
      "typing_duration": 13.951,
      "wpm": 23,
      "message": "ในลิสต์นะคะ ใส่ชื่อ . "
    },
    {
      "message_id": 245,
      "agent_id": 14,
      "delay": 9.95,
      "onscreen_delay": 8.631,
      "typing_delay": 1.319,
      "typing_duration": 10.085,
      "wpm": 40,
      "message": "แล้วตามด้วยคำสั่ง Append(d) "
    },
    {
      "message_id": 246,
      "agent_id": 29,
      "delay": 6.084,
      "onscreen_delay": 5.266,
      "typing_delay": 0.818,
      "typing_duration": 8.615,
      "wpm": 59,
      "message": "ใส่ค่าข้อมูลตัวใหม่แล้วก็วงเล็บปิด "
    },
    {
      "message_id": 247,
      "agent_id": 13,
      "delay": 4.614,
      "onscreen_delay": 0.886,
      "typing_delay": 3.728,
      "typing_duration": 4.553,
      "wpm": 16,
      "message": "ถัดมา "
    },
    {
      "message_id": 248,
      "agent_id": 33,
      "delay": 5.47,
      "onscreen_delay": 0,
      "typing_delay": 5.47,
      "typing_duration": 15,
      "wpm": 3,
      "message": "Pop "
    },
    {
      "message_id": 249,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.918,
      "typing_delay": 0.081,
      "typing_duration": 6.641,
      "wpm": 75,
      "message": "คือ เอาออกนะคะ คือ Pop คือ เอาออก "
    },
    {
      "message_id": 250,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 4.738,
      "typing_delay": 2.26,
      "typing_duration": 6.388,
      "wpm": 56,
      "message": "ก่อนที่เราจะเอาข้อมูลออก "
    },
    {
      "message_id": 251,
      "agent_id": 13,
      "delay": 2.996,
      "onscreen_delay": 2.273,
      "typing_delay": 0.723,
      "typing_duration": 11.901,
      "wpm": 35,
      "message": "เราต้องเช็กก่อนว่า Stack เรา"
    },
    {
      "message_id": 252,
      "agent_id": 33,
      "delay": 7.899,
      "onscreen_delay": 7.079,
      "typing_delay": 0.82,
      "typing_duration": 15.002,
      "wpm": 25,
      "message": "มีข้อมูลอยู่ไหม ถ้า Stack"
    },
    {
      "message_id": 253,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 10.97,
      "typing_delay": 0.031,
      "typing_duration": 10.698,
      "wpm": 72,
      "message": "มันไม่มีข้อมูลอยู่เลยเราจะเอาอะไรออกมาได้ไหม ไม่ได้ "
    },
    {
      "message_id": 254,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 6.311,
      "typing_delay": 0.688,
      "typing_duration": 7.453,
      "wpm": 74,
      "message": "เพราะมันไม่มีข้อมูลอะไรให้เราดึงออกมา "
    },
    {
      "message_id": 255,
      "agent_id": 13,
      "delay": 3.452,
      "onscreen_delay": 3.357,
      "typing_delay": 0.095,
      "typing_duration": 9.242,
      "wpm": 65,
      "message": "เพราะฉะนั้น อันดับแรกนี่ เราต้องเช็กก่อน "
    },
    {
      "message_id": 256,
      "agent_id": 33,
      "delay": 5.24,
      "onscreen_delay": 4.26,
      "typing_delay": 0.98,
      "typing_duration": 15,
      "wpm": 42,
      "message": "มันมีข้อมูลอยู่ไหมนะคะ มันมีข้อมูลอยู่้ไหม"
    },
    {
      "message_id": 257,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 10.39,
      "typing_delay": 0.607,
      "typing_duration": 8.802,
      "wpm": 61,
      "message": "ถ้ามันไม่มีข้อมูลอยู่เลย เราจะบอกว่า"
    },
    {
      "message_id": 258,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 6.672,
      "typing_delay": 0.323,
      "typing_duration": 8.054,
      "wpm": 78,
      "message": "มันคือ Stack ว่าง เราไม่สามารถทำคำสั่ง Pop "
    },
    {
      "message_id": 259,
      "agent_id": 13,
      "delay": 4.052,
      "onscreen_delay": 3.465,
      "typing_delay": 0.587,
      "typing_duration": 6.325,
      "wpm": 33,
      "message": "ได้นะคะ แต่ถ้า "
    },
    {
      "message_id": 260,
      "agent_id": 33,
      "delay": 2.324,
      "onscreen_delay": 1.033,
      "typing_delay": 1.291,
      "typing_duration": 15.001,
      "wpm": 18,
      "message": "Stack ไม่ว่าง เช่น "
    },
    {
      "message_id": 261,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 9.251,
      "typing_delay": 1.749,
      "typing_duration": 8.773,
      "wpm": 70,
      "message": "Stack ไม่ว่างนะ มันมีข้อมูลอยู่ตั้ง 3 ตัว "
    },
    {
      "message_id": 262,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.025,
      "typing_delay": 0.973,
      "typing_duration": 7.158,
      "wpm": 34,
      "message": "เราใช้คำสั่ง Pop "
    },
    {
      "message_id": 263,
      "agent_id": 13,
      "delay": 3.157,
      "onscreen_delay": 2.968,
      "typing_delay": 0.189,
      "typing_duration": 11.377,
      "wpm": 51,
      "message": "ข้อมูลอะไรจะถูกดึงออกมา มีอยู่ 3 ค่านี่ "
    },
    {
      "message_id": 264,
      "agent_id": 33,
      "delay": 7.374,
      "onscreen_delay": 5.896,
      "typing_delay": 1.478,
      "typing_duration": 11.943,
      "wpm": 35,
      "message": "ข้อมูลที่จะเอาออกมาจาก Stack"
    },
    {
      "message_id": 265,
      "agent_id": 14,
      "delay": 7.942,
      "onscreen_delay": 7.901,
      "typing_delay": 0.041,
      "typing_duration": 6.11,
      "wpm": 54,
      "message": "ก็คือข้อมูลค่าอะไรเอ่ย "
    },
    {
      "message_id": 266,
      "agent_id": 29,
      "delay": 3.94,
      "onscreen_delay": 1.918,
      "typing_delay": 2.022,
      "typing_duration": 5.423,
      "wpm": 41,
      "message": "อะไรคะ 1 หรือ 2 "
    },
    {
      "message_id": 267,
      "agent_id": 13,
      "delay": 1.421,
      "onscreen_delay": 1.341,
      "typing_delay": 0.08,
      "typing_duration": 7.672,
      "wpm": 29,
      "message": "หรือ 3 3 ใช่ไหม "
    },
    {
      "message_id": 268,
      "agent_id": 33,
      "delay": 3.671,
      "onscreen_delay": 2.815,
      "typing_delay": 0.856,
      "typing_duration": 15,
      "wpm": 18,
      "message": "เอาตัวที่อยู่บนสุด "
    },
    {
      "message_id": 269,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.418,
      "typing_delay": 0.581,
      "typing_duration": 7.728,
      "wpm": 93,
      "message": "ตัวล่าสุดถูกไหมคะ ถ้าอยู่ในแนวนอนตัวล่าสุดจะอยู่"
    },
    {
      "message_id": 270,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.679,
      "typing_delay": 0.319,
      "typing_duration": 7.857,
      "wpm": 13,
      "message": "ด้านขวา "
    },
    {
      "message_id": 271,
      "agent_id": 13,
      "delay": 3.856,
      "onscreen_delay": 3.78,
      "typing_delay": 0.076,
      "typing_duration": 11.059,
      "wpm": 58,
      "message": "ถ้าเป็นแนวตั้งตัวล่าสุดจะอยู่ข้างบนใช่ไหมคะ "
    },
    {
      "message_id": 272,
      "agent_id": 33,
      "delay": 7.058,
      "onscreen_delay": 6.453,
      "typing_delay": 0.605,
      "typing_duration": 13.654,
      "wpm": 12,
      "message": "เลข 3 จะถูก"
    },
    {
      "message_id": 273,
      "agent_id": 14,
      "delay": 9.653,
      "onscreen_delay": 9.474,
      "typing_delay": 0.179,
      "typing_duration": 6.642,
      "wpm": 88,
      "message": "ดึงออกมานะคะ หลังจากที่เราใช้คำสั่ง Pop "
    },
    {
      "message_id": 274,
      "agent_id": 29,
      "delay": 5.652,
      "onscreen_delay": 0.87,
      "typing_delay": 4.782,
      "typing_duration": 4.782,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 275,
      "agent_id": 13,
      "delay": 1.65,
      "onscreen_delay": 1.365,
      "typing_delay": 0.285,
      "typing_duration": 4.15,
      "wpm": 14,
      "message": "โอเค "
    },
    {
      "message_id": 276,
      "agent_id": 33,
      "delay": 1.721,
      "onscreen_delay": 0,
      "typing_delay": 1.721,
      "typing_duration": 12.152,
      "wpm": 28,
      "message": "ถัดมาตัวนี้จะเป็นคำสั่ง"
    },
    {
      "message_id": 277,
      "agent_id": 14,
      "delay": 8.149,
      "onscreen_delay": 8.149,
      "typing_delay": 0,
      "typing_duration": 7.021,
      "wpm": 41,
      "message": "ที่เราใช้เขียน เช่น "
    },
    {
      "message_id": 278,
      "agent_id": 29,
      "delay": 4.148,
      "onscreen_delay": 4.036,
      "typing_delay": 0.112,
      "typing_duration": 8.715,
      "wpm": 65,
      "message": "เราจะเช็กว่า Stack นั้นเป็น Stack ว่าง"
    },
    {
      "message_id": 279,
      "agent_id": 13,
      "delay": 4.714,
      "onscreen_delay": 4.286,
      "typing_delay": 0.428,
      "typing_duration": 9.712,
      "wpm": 60,
      "message": "หรือเปล่า เราก็ดูขนาดของ Stack ใช่ไหมคะ "
    },
    {
      "message_id": 280,
      "agent_id": 33,
      "delay": 5.709,
      "onscreen_delay": 4.469,
      "typing_delay": 1.24,
      "typing_duration": 13.157,
      "wpm": 32,
      "message": "หาขนาดของ Stack ว่ามันมีขนาด"
    },
    {
      "message_id": 281,
      "agent_id": 14,
      "delay": 9.156,
      "onscreen_delay": 9.139,
      "typing_delay": 0.017,
      "typing_duration": 11.575,
      "wpm": 39,
      "message": "เท่าไหร่ ถ้าขนาดมันมีค่าเป็น 0 "
    },
    {
      "message_id": 282,
      "agent_id": 29,
      "delay": 7.571,
      "onscreen_delay": 6.04,
      "typing_delay": 1.531,
      "typing_duration": 8.526,
      "wpm": 77,
      "message": "แสดงว่ามันเป็น Stack ว่าง ไม่มีข้อมูลอยู่เลย "
    },
    {
      "message_id": 283,
      "agent_id": 13,
      "delay": 4.524,
      "onscreen_delay": 2.663,
      "typing_delay": 1.861,
      "typing_duration": 7.166,
      "wpm": 63,
      "message": "ก็ไม่ต้องทำอะไรใช่ไหมคะ แต่ถ้า"
    },
    {
      "message_id": 284,
      "agent_id": 33,
      "delay": 3.165,
      "onscreen_delay": 2.55,
      "typing_delay": 0.615,
      "typing_duration": 13.717,
      "wpm": 27,
      "message": "มันไม่ใช่ Stack ว่างเราก็"
    },
    {
      "message_id": 285,
      "agent_id": 14,
      "delay": 9.716,
      "onscreen_delay": 9.686,
      "typing_delay": 0.03,
      "typing_duration": 5,
      "wpm": 75,
      "message": "จะดึงค่าที่อยู่บนสุดออกมา "
    },
    {
      "message_id": 286,
      "agent_id": 29,
      "delay": 5.715,
      "onscreen_delay": 3.448,
      "typing_delay": 2.267,
      "typing_duration": 9.704,
      "wpm": 11,
      "message": "คราวนี้ "
    },
    {
      "message_id": 287,
      "agent_id": 13,
      "delay": 5.703,
      "onscreen_delay": 5.703,
      "typing_delay": 0,
      "typing_duration": 12.19,
      "wpm": 59,
      "message": "อันนี้จะเป็นโค้ด เป็นโปรแกรมที่เราจะเขียนทั้งหมด "
    },
    {
      "message_id": 288,
      "agent_id": 33,
      "delay": 8.189,
      "onscreen_delay": 7.492,
      "typing_delay": 0.697,
      "typing_duration": 10.53,
      "wpm": 36,
      "message": "เดี๋ยวครูบอกอีกทีข้างหลัง"
    },
    {
      "message_id": 289,
      "agent_id": 14,
      "delay": 6.529,
      "onscreen_delay": 4.815,
      "typing_delay": 1.714,
      "typing_duration": 7.965,
      "wpm": 15,
      "message": "สมมติว่า "
    },
    {
      "message_id": 290,
      "agent_id": 29,
      "delay": 4.173,
      "onscreen_delay": 0,
      "typing_delay": 4.173,
      "typing_duration": 4.173,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 291,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 292,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 293,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 5.766,
      "typing_delay": 5.234,
      "typing_duration": 12.545,
      "wpm": 12,
      "message": "ครูอยาก... "
    },
    {
      "message_id": 294,
      "agent_id": 29,
      "delay": 8.542,
      "onscreen_delay": 4.395,
      "typing_delay": 4.147,
      "typing_duration": 4.147,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 295,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 296,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 8.944,
      "typing_delay": 2.053,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 297,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 298,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 299,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 300,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 301,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 302,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 303,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 304,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 305,
      "agent_id": 14,
      "delay": 12.037,
      "onscreen_delay": 0,
      "typing_delay": 12.037,
      "typing_duration": 12.037,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 306,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 307,
      "agent_id": 13,
      "delay": 11.001,
      "onscreen_delay": 2.186,
      "typing_delay": 8.815,
      "typing_duration": 8.815,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 308,
      "agent_id": 33,
      "delay": 6.999,
      "onscreen_delay": 3.881,
      "typing_delay": 3.118,
      "typing_duration": 13.487,
      "wpm": 14,
      "message": "คราวนี้ดูนะคะ"
    },
    {
      "message_id": 309,
      "agent_id": 14,
      "delay": 9.485,
      "onscreen_delay": 8.807,
      "typing_delay": 0.678,
      "typing_duration": 9.701,
      "wpm": 59,
      "message": "ครูมี Stack มาให้ Stack ครูมีกี่ช่องคะ "
    },
    {
      "message_id": 310,
      "agent_id": 29,
      "delay": 5.696,
      "onscreen_delay": 5.47,
      "typing_delay": 0.226,
      "typing_duration": 10.34,
      "wpm": 44,
      "message": "มี 4 ช่องในแนวตั้งถูกหรือเปล่า "
    },
    {
      "message_id": 311,
      "agent_id": 13,
      "delay": 6.336,
      "onscreen_delay": 6.327,
      "typing_delay": 0.009,
      "typing_duration": 6.641,
      "wpm": 77,
      "message": "เป็น Stack ในแนวตั้ง มี 4 ช่องนะคะ "
    },
    {
      "message_id": 312,
      "agent_id": 33,
      "delay": 2.64,
      "onscreen_delay": 1.112,
      "typing_delay": 1.528,
      "typing_duration": 12.366,
      "wpm": 27,
      "message": "ตัวแรก ตัวแรกน่ะจะอยู่"
    },
    {
      "message_id": 313,
      "agent_id": 14,
      "delay": 8.364,
      "onscreen_delay": 8.349,
      "typing_delay": 0.015,
      "typing_duration": 11.289,
      "wpm": 76,
      "message": "ด้านฐาน จะอยู่ด้านล่างสุดนะ เวลาเราหย่อนข้อมูลลงไป ตัวแรก"
    },
    {
      "message_id": 314,
      "agent_id": 29,
      "delay": 7.288,
      "onscreen_delay": 7.096,
      "typing_delay": 0.192,
      "typing_duration": 11.244,
      "wpm": 61,
      "message": "จะลงมาอยู่ช่องล่างสุดแล้วค่อยขยับไปช่องถัดไป ๆ "
    },
    {
      "message_id": 315,
      "agent_id": 13,
      "delay": 7.241,
      "onscreen_delay": 6.646,
      "typing_delay": 0.595,
      "typing_duration": 12.77,
      "wpm": 58,
      "message": "นะคะ จะซ้อนขึ้นไปข้างบนนะ ถ้าเป็น Stack ในแนวตั้ง "
    },
    {
      "message_id": 316,
      "agent_id": 33,
      "delay": 8.768,
      "onscreen_delay": 5.342,
      "typing_delay": 3.426,
      "typing_duration": 10.881,
      "wpm": 8,
      "message": "คำสั่ง"
    },
    {
      "message_id": 317,
      "agent_id": 14,
      "delay": 6.879,
      "onscreen_delay": 6.711,
      "typing_delay": 0.168,
      "typing_duration": 12.235,
      "wpm": 60,
      "message": "อย่างที่บอกเรามีแค่ 2 คำสั่งนะ มีแค่ Push กับ Pop "
    },
    {
      "message_id": 318,
      "agent_id": 29,
      "delay": 8.234,
      "onscreen_delay": 6.916,
      "typing_delay": 1.318,
      "typing_duration": 9.076,
      "wpm": 21,
      "message": "ใช่ไหมคะ Push "
    },
    {
      "message_id": 319,
      "agent_id": 13,
      "delay": 5.075,
      "onscreen_delay": 4.988,
      "typing_delay": 0.087,
      "typing_duration": 4.039,
      "wpm": 33,
      "message": "ใส่ข้อมูล "
    },
    {
      "message_id": 320,
      "agent_id": 33,
      "delay": 2.269,
      "onscreen_delay": 0,
      "typing_delay": 2.269,
      "typing_duration": 11.43,
      "wpm": 9,
      "message": "กับ Pop "
    },
    {
      "message_id": 321,
      "agent_id": 14,
      "delay": 7.428,
      "onscreen_delay": 6.684,
      "typing_delay": 0.744,
      "typing_duration": 7.26,
      "wpm": 60,
      "message": "เอาข้อมูลออก คือ ใส่กับเอาออก"
    },
    {
      "message_id": 322,
      "agent_id": 29,
      "delay": 3.427,
      "onscreen_delay": 2.622,
      "typing_delay": 0.805,
      "typing_duration": 11.493,
      "wpm": 18,
      "message": "นะคะ คราวนี้ดู "
    },
    {
      "message_id": 323,
      "agent_id": 13,
      "delay": 7.492,
      "onscreen_delay": 6.517,
      "typing_delay": 0.975,
      "typing_duration": 10.818,
      "wpm": 55,
      "message": "Push 5 เห็นไหมคะ ครูใส่หมายเลขช่องก่อนนะ "
    },
    {
      "message_id": 324,
      "agent_id": 33,
      "delay": 6.816,
      "onscreen_delay": 5.601,
      "typing_delay": 1.215,
      "typing_duration": 15,
      "wpm": 32,
      "message": "อันนี้เป็นหมานยเลข 1, 0, 1, 2, 3"
    },
    {
      "message_id": 325,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 6.816,
      "wpm": 55,
      "message": "เราจะได้เข้าใจตรงกัน โอเค"
    },
    {
      "message_id": 326,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.173,
      "typing_delay": 0.824,
      "typing_duration": 12.871,
      "wpm": 41,
      "message": "นะคะ มีหลายเลขช่องแล้วนะ มี 0 1 2 3 "
    },
    {
      "message_id": 327,
      "agent_id": 13,
      "delay": 8.87,
      "onscreen_delay": 7.118,
      "typing_delay": 1.752,
      "typing_duration": 13.728,
      "wpm": 21,
      "message": "ครูสั่ง Push 5 5 จะ"
    },
    {
      "message_id": 328,
      "agent_id": 33,
      "delay": 9.726,
      "onscreen_delay": 8.724,
      "typing_delay": 1.002,
      "typing_duration": 12.129,
      "wpm": 35,
      "message": "ไปอยู่ที่ช่องไหน ช่องไหนเอ่ย"
    },
    {
      "message_id": 329,
      "agent_id": 14,
      "delay": 8.126,
      "onscreen_delay": 7.734,
      "typing_delay": 0.392,
      "typing_duration": 6.767,
      "wpm": 58,
      "message": "ช่องหมายเลขอะไร ครูหย่อน 5 "
    },
    {
      "message_id": 330,
      "agent_id": 29,
      "delay": 4.125,
      "onscreen_delay": 3.866,
      "typing_delay": 0.259,
      "typing_duration": 6.752,
      "wpm": 76,
      "message": "ลงไปมันก็จะไหลลงมาอยู่ที่ช่องไหนคะ "
    },
    {
      "message_id": 331,
      "agent_id": 13,
      "delay": 2.751,
      "onscreen_delay": 2.003,
      "typing_delay": 0.748,
      "typing_duration": 10.403,
      "wpm": 46,
      "message": "ช่อง 0 เห็นไหม พอครูหย่อน 5 ลงมา "
    },
    {
      "message_id": 332,
      "agent_id": 33,
      "delay": 6.402,
      "onscreen_delay": 5.678,
      "typing_delay": 0.724,
      "typing_duration": 14.108,
      "wpm": 29,
      "message": "ไหลลงมาเรื่อย ๆ จนมาอยู่ที่"
    },
    {
      "message_id": 333,
      "agent_id": 14,
      "delay": 10.107,
      "onscreen_delay": 10.107,
      "typing_delay": 0,
      "typing_duration": 9.082,
      "wpm": 56,
      "message": "ช่อง 0 เสร็จแล้วครูสั่งคำสั่ง Push "
    },
    {
      "message_id": 334,
      "agent_id": 29,
      "delay": 6.106,
      "onscreen_delay": 4.835,
      "typing_delay": 1.271,
      "typing_duration": 6.373,
      "wpm": 59,
      "message": "10 เดิมมันมี 5 อยู่แล้วนะ "
    },
    {
      "message_id": 335,
      "agent_id": 13,
      "delay": 2.372,
      "onscreen_delay": 1.863,
      "typing_delay": 0.509,
      "typing_duration": 10.879,
      "wpm": 70,
      "message": "แล้วครูสั่ง Push 10 เพราะฉะนั้น 10 จะมาอยู่ที่ไหนคะ "
    },
    {
      "message_id": 336,
      "agent_id": 33,
      "delay": 6.878,
      "onscreen_delay": 3.942,
      "typing_delay": 2.936,
      "typing_duration": 9.905,
      "wpm": 21,
      "message": "10 จะมาอยู่ที่"
    },
    {
      "message_id": 337,
      "agent_id": 14,
      "delay": 5.903,
      "onscreen_delay": 5.437,
      "typing_delay": 0.466,
      "typing_duration": 6.806,
      "wpm": 62,
      "message": "1 ถูกไหมคะ ก็หย่อน 10 ลงมานะ "
    },
    {
      "message_id": 338,
      "agent_id": 29,
      "delay": 2.805,
      "onscreen_delay": 0.573,
      "typing_delay": 2.232,
      "typing_duration": 6.391,
      "wpm": 21,
      "message": "ถัดมาเดิม "
    },
    {
      "message_id": 339,
      "agent_id": 13,
      "delay": 2.387,
      "onscreen_delay": 2.285,
      "typing_delay": 0.102,
      "typing_duration": 11.326,
      "wpm": 57,
      "message": "เดิม มี 5 กับ 10 แล้ว ครูเขียนเรียบร้อยก่อน"
    },
    {
      "message_id": 340,
      "agent_id": 33,
      "delay": 7.324,
      "onscreen_delay": 6.601,
      "typing_delay": 0.723,
      "typing_duration": 15,
      "wpm": 31,
      "message": "นะคะ ใส่ที่ช่อง 0 กับช่อง 1 ครู"
    },
    {
      "message_id": 341,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.505,
      "typing_delay": 0.494,
      "typing_duration": 9.887,
      "wpm": 61,
      "message": "สั่ง Push 15 ไปอยู่ที่ช่องไหนคะ 2 ใช่ไหม "
    },
    {
      "message_id": 342,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.435,
      "typing_delay": 0.562,
      "typing_duration": 11.007,
      "wpm": 35,
      "message": "เห็นไหม พอ Push ข้อมูลลงไป "
    },
    {
      "message_id": 343,
      "agent_id": 13,
      "delay": 7.005,
      "onscreen_delay": 6.278,
      "typing_delay": 0.727,
      "typing_duration": 8.815,
      "wpm": 49,
      "message": "คราวนี้ จากรูปนี้ ครูสั่ง Pop "
    },
    {
      "message_id": 344,
      "agent_id": 33,
      "delay": 4.813,
      "onscreen_delay": 3.134,
      "typing_delay": 1.679,
      "typing_duration": 14.087,
      "wpm": 13,
      "message": "เอาอะไรออกมา"
    },
    {
      "message_id": 345,
      "agent_id": 14,
      "delay": 10.085,
      "onscreen_delay": 10.085,
      "typing_delay": 0,
      "typing_duration": 9.406,
      "wpm": 67,
      "message": "จากรูปนี้พอครูสั่ง Pop ปุ๊บ เอาอะไรออกมาคะ "
    },
    {
      "message_id": 346,
      "agent_id": 29,
      "delay": 6.083,
      "onscreen_delay": 4.434,
      "typing_delay": 1.649,
      "typing_duration": 5.71,
      "wpm": 42,
      "message": "เอาอะไรออกมาเอ่ย "
    },
    {
      "message_id": 347,
      "agent_id": 13,
      "delay": 2.082,
      "onscreen_delay": 2.029,
      "typing_delay": 0.053,
      "typing_duration": 7.265,
      "wpm": 43,
      "message": "15 ใช่ไหม เอาตัวบนสุด "
    },
    {
      "message_id": 348,
      "agent_id": 33,
      "delay": 3.264,
      "onscreen_delay": 2.087,
      "typing_delay": 1.177,
      "typing_duration": 5.082,
      "wpm": 15,
      "message": "เลือก"
    },
    {
      "message_id": 349,
      "agent_id": 14,
      "delay": 3.223,
      "onscreen_delay": 0,
      "typing_delay": 3.223,
      "typing_duration": 7.901,
      "wpm": 15,
      "message": "เราเลือก"
    },
    {
      "message_id": 350,
      "agent_id": 29,
      "delay": 3.899,
      "onscreen_delay": 3.009,
      "typing_delay": 0.89,
      "typing_duration": 5.562,
      "wpm": 57,
      "message": "ตัวบนสุดออกมาใช่ไหมคะ "
    },
    {
      "message_id": 351,
      "agent_id": 13,
      "delay": 1.561,
      "onscreen_delay": 1.561,
      "typing_delay": 0,
      "typing_duration": 8.723,
      "wpm": 40,
      "message": "เพราะฉะนั้น 15 จะถูกดึง"
    },
    {
      "message_id": 352,
      "agent_id": 33,
      "delay": 4.721,
      "onscreen_delay": 3.922,
      "typing_delay": 0.799,
      "typing_duration": 10.355,
      "wpm": 30,
      "message": "ออกมาข้างนอกเห็นไหมคะ"
    },
    {
      "message_id": 353,
      "agent_id": 14,
      "delay": 6.351,
      "onscreen_delay": 6.351,
      "typing_delay": 0,
      "typing_duration": 7.976,
      "wpm": 75,
      "message": "เพราะฉะนั้น ใน Stack จะเหลือแค่ 10 กับ 5 "
    },
    {
      "message_id": 354,
      "agent_id": 29,
      "delay": 3.975,
      "onscreen_delay": 2.172,
      "typing_delay": 1.803,
      "typing_duration": 7.866,
      "wpm": 42,
      "message": "ครูสั่ง Pop อีกทีหนึ่ง "
    },
    {
      "message_id": 355,
      "agent_id": 13,
      "delay": 3.865,
      "onscreen_delay": 2.877,
      "typing_delay": 0.988,
      "typing_duration": 6.718,
      "wpm": 42,
      "message": "เอาอะไรออกมาคะ เดิม "
    },
    {
      "message_id": 356,
      "agent_id": 33,
      "delay": 2.717,
      "onscreen_delay": 1.904,
      "typing_delay": 0.813,
      "typing_duration": 9.916,
      "wpm": 17,
      "message": "มี 5 กับ 10 "
    },
    {
      "message_id": 357,
      "agent_id": 14,
      "delay": 5.911,
      "onscreen_delay": 5.858,
      "typing_delay": 0.053,
      "typing_duration": 9.127,
      "wpm": 79,
      "message": "คราวนี้เอาอะไรออกมา ครูสั่ง Pop ปุ๊บ อะไรออกมาคะ "
    },
    {
      "message_id": 358,
      "agent_id": 29,
      "delay": 5.126,
      "onscreen_delay": 3.821,
      "typing_delay": 1.305,
      "typing_duration": 7.545,
      "wpm": 62,
      "message": "10 ออกมาเห็นไหม 10 ไม่เหลือแล้ว "
    },
    {
      "message_id": 359,
      "agent_id": 13,
      "delay": 3.541,
      "onscreen_delay": 2.445,
      "typing_delay": 1.096,
      "typing_duration": 10.296,
      "wpm": 64,
      "message": "เพราะฉะนั้น ตอนนี้ ใน Stack เราเหลือกี่ค่าคะ "
    },
    {
      "message_id": 360,
      "agent_id": 33,
      "delay": 6.295,
      "onscreen_delay": 5.047,
      "typing_delay": 1.248,
      "typing_duration": 12.269,
      "wpm": 21,
      "message": "ค่าเดียว คือเลข 5 "
    },
    {
      "message_id": 361,
      "agent_id": 14,
      "delay": 8.268,
      "onscreen_delay": 6.881,
      "typing_delay": 1.387,
      "typing_duration": 6.776,
      "wpm": 66,
      "message": "จดตัวนี้ไว้ในกระดาษให้ครูหน่อย "
    },
    {
      "message_id": 362,
      "agent_id": 29,
      "delay": 10.1,
      "onscreen_delay": 0,
      "typing_delay": 10.1,
      "typing_duration": 10.1,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 363,
      "agent_id": 13,
      "delay": 6.099,
      "onscreen_delay": 1.953,
      "typing_delay": 4.146,
      "typing_duration": 10.204,
      "wpm": 37,
      "message": "เดี๋ยวครูจะให้ทำแบบฝึกหัด"
    },
    {
      "message_id": 364,
      "agent_id": 33,
      "delay": 6.202,
      "onscreen_delay": 4.902,
      "typing_delay": 1.3,
      "typing_duration": 4.524,
      "wpm": 13,
      "message": "นะคะ"
    },
    {
      "message_id": 365,
      "agent_id": 14,
      "delay": 4.02,
      "onscreen_delay": 0,
      "typing_delay": 4.02,
      "typing_duration": 4.02,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 366,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 367,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 368,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 4.074,
      "typing_delay": 6.927,
      "typing_duration": 6.927,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 369,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 2.412,
      "typing_delay": 4.586,
      "typing_duration": 4.586,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 370,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 371,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 372,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 373,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.953,
      "typing_delay": 4.046,
      "typing_duration": 4.046,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 374,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 1.613,
      "typing_delay": 5.382,
      "typing_duration": 5.382,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 375,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 376,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 377,
      "agent_id": 14,
      "delay": 10.996,
      "onscreen_delay": 7.013,
      "typing_delay": 3.983,
      "typing_duration": 3.983,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 378,
      "agent_id": 29,
      "delay": 9.884,
      "onscreen_delay": 0,
      "typing_delay": 9.884,
      "typing_duration": 9.884,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 379,
      "agent_id": 13,
      "delay": 6.961,
      "onscreen_delay": 0,
      "typing_delay": 6.961,
      "typing_duration": 6.961,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 380,
      "agent_id": 33,
      "delay": 2.958,
      "onscreen_delay": 1.4,
      "typing_delay": 1.558,
      "typing_duration": 15,
      "wpm": 35,
      "message": "มีกระดาษไหมคะ มีใครไม่มีกระดาษไหมคะ"
    },
    {
      "message_id": 381,
      "agent_id": 14,
      "delay": 10.995,
      "onscreen_delay": 9.808,
      "typing_delay": 1.187,
      "typing_duration": 8.466,
      "wpm": 43,
      "message": "ครูมีกระดาษมาแจก มีไหมคะ "
    },
    {
      "message_id": 382,
      "agent_id": 29,
      "delay": 6.993,
      "onscreen_delay": 4.772,
      "typing_delay": 2.221,
      "typing_duration": 4.117,
      "wpm": 40,
      "message": "มันจะมีเส้น "
    },
    {
      "message_id": 383,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 384,
      "agent_id": 33,
      "delay": 12.093,
      "onscreen_delay": 0,
      "typing_delay": 12.093,
      "typing_duration": 12.093,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 385,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 386,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 387,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 388,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 389,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 390,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 391,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 392,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 393,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 394,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 395,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 396,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 397,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 398,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 399,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 400,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 401,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 402,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 403,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 404,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 405,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 406,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 407,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 408,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 409,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 410,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
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      "typing_duration": 15.002,
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      "message": ""
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    {
      "message_id": 411,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 412,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 413,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
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    {
      "message_id": 414,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 415,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 416,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 417,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 5.549,
      "typing_delay": 5.45,
      "typing_duration": 6.9,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 418,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 419,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 420,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 421,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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    {
      "message_id": 422,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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    {
      "message_id": 423,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 424,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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    {
      "message_id": 425,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
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    {
      "message_id": 426,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
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    {
      "message_id": 427,
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      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
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    {
      "message_id": 428,
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      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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    {
      "message_id": 429,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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    {
      "message_id": 430,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 431,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 432,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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    {
      "message_id": 433,
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      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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      "message_id": 434,
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      "delay": 15.003,
      "onscreen_delay": 0,
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      "wpm": 0,
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    {
      "message_id": 435,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
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      "message": ""
    },
    {
      "message_id": 436,
      "agent_id": 33,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 437,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 438,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 439,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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    {
      "message_id": 440,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 441,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
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      "typing_duration": 15.002,
      "wpm": 0,
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    {
      "message_id": 442,
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      "delay": 15.002,
      "onscreen_delay": 0,
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      "wpm": 0,
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    },
    {
      "message_id": 443,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 444,
      "agent_id": 33,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 445,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 446,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 447,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 448,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 449,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 450,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 451,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 452,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 453,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 454,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 455,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 456,
      "agent_id": 33,
      "delay": 12.737,
      "onscreen_delay": 0,
      "typing_delay": 12.737,
      "typing_duration": 12.737,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 457,
      "agent_id": 14,
      "delay": 9.881,
      "onscreen_delay": 0,
      "typing_delay": 9.881,
      "typing_duration": 9.881,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 458,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 459,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 10.072,
      "typing_delay": 0.927,
      "typing_duration": 11.24,
      "wpm": 48,
      "message": "คราวนี้นะคะ ครูมีโจทย์มาให้ แล้วก็มี"
    },
    {
      "message_id": 460,
      "agent_id": 33,
      "delay": 7.238,
      "onscreen_delay": 6.301,
      "typing_delay": 0.937,
      "typing_duration": 5.206,
      "wpm": 32,
      "message": "คำสั่งมาให้"
    },
    {
      "message_id": 461,
      "agent_id": 14,
      "delay": 3.231,
      "onscreen_delay": 2.541,
      "typing_delay": 0.69,
      "typing_duration": 8.249,
      "wpm": 64,
      "message": "ทำเหมือนเดิมเลยใช่ไหมคะ แต่ครูมีตัว"
    },
    {
      "message_id": 462,
      "agent_id": 29,
      "delay": 4.247,
      "onscreen_delay": 3.768,
      "typing_delay": 0.479,
      "typing_duration": 13.227,
      "wpm": 45,
      "message": "เริ่มต้นให้ ครูมีให้อยู่แล้วอยู่ใน Stack "
    },
    {
      "message_id": 463,
      "agent_id": 13,
      "delay": 9.226,
      "onscreen_delay": 8.676,
      "typing_delay": 0.55,
      "typing_duration": 9.49,
      "wpm": 38,
      "message": "ใช่ไหมคะ อันแรก เราหย่อน"
    },
    {
      "message_id": 464,
      "agent_id": 33,
      "delay": 5.484,
      "onscreen_delay": 4.746,
      "typing_delay": 0.738,
      "typing_duration": 15.001,
      "wpm": 36,
      "message": "เลข 2 ลงไป อันที่ 2 เขียนของเดิมก่อน"
    },
    {
      "message_id": 465,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.467,
      "typing_delay": 0.532,
      "typing_duration": 7.094,
      "wpm": 68,
      "message": "ใช่ไหมคะ แล้วค่อยหย่อนเลข 7 ลงไป "
    },
    {
      "message_id": 466,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.808,
      "typing_delay": 0.19,
      "typing_duration": 6.817,
      "wpm": 42,
      "message": "ถัดมาหย่อนเลข 1 Pop "
    },
    {
      "message_id": 467,
      "agent_id": 13,
      "delay": 2.996,
      "onscreen_delay": 2.996,
      "typing_delay": 0,
      "typing_duration": 10.024,
      "wpm": 61,
      "message": "คือ เอาออกนะ คือ เอาออก แล้วบอกครูด้วยว่า"
    },
    {
      "message_id": 468,
      "agent_id": 33,
      "delay": 6.022,
      "onscreen_delay": 5.24,
      "typing_delay": 0.782,
      "typing_duration": 13.831,
      "wpm": 7,
      "message": "ข้อมูล"
    },
    {
      "message_id": 469,
      "agent_id": 14,
      "delay": 9.83,
      "onscreen_delay": 9.83,
      "typing_delay": 0,
      "typing_duration": 5.558,
      "wpm": 30,
      "message": "ที่เอาออกมา"
    },
    {
      "message_id": 470,
      "agent_id": 29,
      "delay": 5.825,
      "onscreen_delay": 5.275,
      "typing_delay": 0.55,
      "typing_duration": 15.001,
      "wpm": 17,
      "message": "คืออะไร เสร็จแล้ว"
    },
    {
      "message_id": 471,
      "agent_id": 13,
      "delay": 11,
      "onscreen_delay": 10.688,
      "typing_delay": 0.312,
      "typing_duration": 13.924,
      "wpm": 48,
      "message": "ก็มีคำสั่งตัวสุดท้าย ก็คือ Push ตัวเลข 7 ลงไป "
    },
    {
      "message_id": 472,
      "agent_id": 33,
      "delay": 9.923,
      "onscreen_delay": 4.236,
      "typing_delay": 5.687,
      "typing_duration": 5.687,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 473,
      "agent_id": 14,
      "delay": 5.922,
      "onscreen_delay": 5.677,
      "typing_delay": 0.245,
      "typing_duration": 7.015,
      "wpm": 24,
      "message": "ลองทำดูนะคะ "
    },
    {
      "message_id": 474,
      "agent_id": 29,
      "delay": 4.566,
      "onscreen_delay": 0,
      "typing_delay": 4.566,
      "typing_duration": 4.566,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 475,
      "agent_id": 13,
      "delay": 3,
      "onscreen_delay": 0,
      "typing_delay": 3,
      "typing_duration": 7.337,
      "wpm": 41,
      "message": "เพราะฉะนั้น แต่ละข้อ"
    },
    {
      "message_id": 476,
      "agent_id": 33,
      "delay": 3.333,
      "onscreen_delay": 2.576,
      "typing_delay": 0.757,
      "typing_duration": 12.853,
      "wpm": 27,
      "message": "มันจะต่อเนื่องกันไปนะคะ"
    },
    {
      "message_id": 477,
      "agent_id": 14,
      "delay": 8.851,
      "onscreen_delay": 8.637,
      "typing_delay": 0.214,
      "typing_duration": 7.731,
      "wpm": 70,
      "message": "ทำตัวแรก ข้อที่ 1 เสร็จ เอาข้อมูลนี่"
    },
    {
      "message_id": 478,
      "agent_id": 29,
      "delay": 4.85,
      "onscreen_delay": 4.473,
      "typing_delay": 0.377,
      "typing_duration": 9.103,
      "wpm": 53,
      "message": "มาตั้งต้นไว้ก่อนแล้วเราค่อย Push "
    },
    {
      "message_id": 479,
      "agent_id": 13,
      "delay": 5.101,
      "onscreen_delay": 4.63,
      "typing_delay": 0.471,
      "typing_duration": 7.451,
      "wpm": 74,
      "message": "เลข 7 ลงไป เดี๋ยวเราทำด้วยกัน 1 ข้อนะ "
    },
    {
      "message_id": 480,
      "agent_id": 33,
      "delay": 3.449,
      "onscreen_delay": 2.679,
      "typing_delay": 0.77,
      "typing_duration": 15.001,
      "wpm": 31,
      "message": "อันนี้คือ Push เลข 2 หย่อนเลข 2"
    },
    {
      "message_id": 481,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 11,
      "typing_delay": 0,
      "typing_duration": 4.109,
      "wpm": 15,
      "message": "ลงไป "
    },
    {
      "message_id": 482,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 3.036,
      "typing_delay": 3.962,
      "typing_duration": 7.048,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 483,
      "agent_id": 13,
      "delay": 3.046,
      "onscreen_delay": 2.126,
      "typing_delay": 0.92,
      "typing_duration": 10.064,
      "wpm": 57,
      "message": "ข้อที่ 2 ครูจะใส่เลข 7 เพราะฉะนั้น ครู"
    },
    {
      "message_id": 484,
      "agent_id": 33,
      "delay": 6.063,
      "onscreen_delay": 5.417,
      "typing_delay": 0.646,
      "typing_duration": 14.666,
      "wpm": 21,
      "message": "ต้องใส่ข้อมูลเดิมก่อน "
    },
    {
      "message_id": 485,
      "agent_id": 14,
      "delay": 10.664,
      "onscreen_delay": 10.664,
      "typing_delay": 0,
      "typing_duration": 8.046,
      "wpm": 69,
      "message": "และก็หย่อนเลข 7 ลงไป ทำต่อให้ครูหน่อย"
    },
    {
      "message_id": 486,
      "agent_id": 29,
      "delay": 6.662,
      "onscreen_delay": 6.063,
      "typing_delay": 0.599,
      "typing_duration": 4.136,
      "wpm": 33,
      "message": "อีก 3 อัน "
    },
    {
      "message_id": 487,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 488,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 489,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 490,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 491,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
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      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 583,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 584,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 585,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 586,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 587,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 588,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 589,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 590,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 591,
      "agent_id": 13,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 592,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 593,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 594,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 595,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 596,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 597,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 598,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 599,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 600,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 601,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 602,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 603,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 604,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 0.275,
      "typing_delay": 10.724,
      "typing_duration": 10.724,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 605,
      "agent_id": 14,
      "delay": 6.996,
      "onscreen_delay": 2.923,
      "typing_delay": 4.073,
      "typing_duration": 4.073,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 606,
      "agent_id": 29,
      "delay": 13.65,
      "onscreen_delay": 0,
      "typing_delay": 13.65,
      "typing_duration": 13.65,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 607,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 608,
      "agent_id": 33,
      "delay": 10.996,
      "onscreen_delay": 9.991,
      "typing_delay": 1.005,
      "typing_duration": 15,
      "wpm": 18,
      "message": "ทีนี้เดี๋ยวเรามาดู"
    },
    {
      "message_id": 609,
      "agent_id": 14,
      "delay": 10.996,
      "onscreen_delay": 6.567,
      "typing_delay": 4.429,
      "typing_duration": 4.429,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 610,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 4.109,
      "typing_delay": 2.886,
      "typing_duration": 6.741,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 611,
      "agent_id": 13,
      "delay": 2.994,
      "onscreen_delay": 2.395,
      "typing_delay": 0.599,
      "typing_duration": 11.712,
      "wpm": 54,
      "message": "ข้อ 3 นะคะ ครูสั่ง Push 1 ก็คือใส่เลข 1 ลง"
    },
    {
      "message_id": 612,
      "agent_id": 33,
      "delay": 7.711,
      "onscreen_delay": 6.768,
      "typing_delay": 0.943,
      "typing_duration": 8.877,
      "wpm": 22,
      "message": "ใน Stack เดิม"
    },
    {
      "message_id": 613,
      "agent_id": 14,
      "delay": 4.874,
      "onscreen_delay": 4.874,
      "typing_delay": 0,
      "typing_duration": 7.091,
      "wpm": 91,
      "message": "เอาของเดิมยกมาก่อนนะ อย่าเพิ่งใส่นะ ของเดิม"
    },
    {
      "message_id": 614,
      "agent_id": 29,
      "delay": 3.09,
      "onscreen_delay": 3.067,
      "typing_delay": 0.023,
      "typing_duration": 8.551,
      "wpm": 42,
      "message": "มี 3 ค่านะ เขียนก่อนนะคะ "
    },
    {
      "message_id": 615,
      "agent_id": 13,
      "delay": 4.55,
      "onscreen_delay": 4.55,
      "typing_delay": 0,
      "typing_duration": 8.257,
      "wpm": 60,
      "message": "เขียนค่าเดิมก่อน ใส่ค่าเดิมมาก่อน"
    },
    {
      "message_id": 616,
      "agent_id": 33,
      "delay": 4.255,
      "onscreen_delay": 3.687,
      "typing_delay": 0.568,
      "typing_duration": 15.001,
      "wpm": 28,
      "message": "นะคะ เสร็จแล้วครูสั่ง Push 1"
    },
    {
      "message_id": 617,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.18,
      "typing_delay": 0.82,
      "typing_duration": 6.208,
      "wpm": 46,
      "message": "1 จะอยู่ด้านบนเลข 7 "
    },
    {
      "message_id": 618,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.323,
      "typing_delay": 0.675,
      "typing_duration": 6.698,
      "wpm": 18,
      "message": "ใช่ไหมคะ "
    },
    {
      "message_id": 619,
      "agent_id": 13,
      "delay": 2.997,
      "onscreen_delay": 2.978,
      "typing_delay": 0.019,
      "typing_duration": 8.345,
      "wpm": 59,
      "message": "จากนั้นครูสั่ง Pop Pop คือ เอาออก "
    },
    {
      "message_id": 620,
      "agent_id": 33,
      "delay": 4.338,
      "onscreen_delay": 3.597,
      "typing_delay": 0.741,
      "typing_duration": 12.787,
      "wpm": 35,
      "message": "บนสุดคืออะไร คือ 1 เพราะฉะนั้น"
    },
    {
      "message_id": 621,
      "agent_id": 14,
      "delay": 8.784,
      "onscreen_delay": 8.524,
      "typing_delay": 0.26,
      "typing_duration": 7.418,
      "wpm": 83,
      "message": "เอาอะไรออก เอา 1 ออก เพราะฉะนั้น ที่เหลือ"
    },
    {
      "message_id": 622,
      "agent_id": 29,
      "delay": 4.783,
      "onscreen_delay": 4.633,
      "typing_delay": 0.15,
      "typing_duration": 9.207,
      "wpm": 41,
      "message": "็ก็คือ 5, 2, 7 ใช่ไหมคะ 1 "
    },
    {
      "message_id": 623,
      "agent_id": 13,
      "delay": 5.205,
      "onscreen_delay": 4.264,
      "typing_delay": 0.941,
      "typing_duration": 11.901,
      "wpm": 48,
      "message": "จะถูกเอาออกมาใช่ไหม เพราะฉะนั้น ข้อมูล"
    },
    {
      "message_id": 624,
      "agent_id": 33,
      "delay": 7.9,
      "onscreen_delay": 7.311,
      "typing_delay": 0.589,
      "typing_duration": 13.819,
      "wpm": 27,
      "message": "ที่นำออกจาก Stack ก็คือ 1"
    },
    {
      "message_id": 625,
      "agent_id": 14,
      "delay": 9.818,
      "onscreen_delay": 9.818,
      "typing_delay": 0,
      "typing_duration": 6.323,
      "wpm": 9,
      "message": "นะคะ "
    },
    {
      "message_id": 626,
      "agent_id": 29,
      "delay": 5.813,
      "onscreen_delay": 5.21,
      "typing_delay": 0.603,
      "typing_duration": 8.492,
      "wpm": 62,
      "message": "ครูสั่ง Push อีกครั้งหนึ่งทำอย่างไร "
    },
    {
      "message_id": 627,
      "agent_id": 13,
      "delay": 4.491,
      "onscreen_delay": 4.43,
      "typing_delay": 0.061,
      "typing_duration": 9.333,
      "wpm": 63,
      "message": "ก็เอาของเดิมที่มีอยู่ใน Stack เขียนก่อน "
    },
    {
      "message_id": 628,
      "agent_id": 33,
      "delay": 5.331,
      "onscreen_delay": 4.16,
      "typing_delay": 1.171,
      "typing_duration": 15,
      "wpm": 29,
      "message": "เพราะฉะนั้น กรณีที่ Push ข้อม"
    },
    {
      "message_id": 629,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.982,
      "typing_delay": 0.017,
      "typing_duration": 5.243,
      "wpm": 80,
      "message": "ลงไปใน Stack ยกของเดิมมาก่อน "
    },
    {
      "message_id": 630,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.856,
      "typing_delay": 0.142,
      "typing_duration": 7.623,
      "wpm": 18,
      "message": "เสร็จแล้ว"
    },
    {
      "message_id": 631,
      "agent_id": 13,
      "delay": 3.622,
      "onscreen_delay": 3.446,
      "typing_delay": 0.176,
      "typing_duration": 8.615,
      "wpm": 57,
      "message": "ใส่ตัวเลขที่ครูสั่งลงไป ก็คือ 7 7 "
    },
    {
      "message_id": 632,
      "agent_id": 33,
      "delay": 4.613,
      "onscreen_delay": 3.957,
      "typing_delay": 0.656,
      "typing_duration": 10.468,
      "wpm": 40,
      "message": "ก็จะอยู่ด้านบนนะคะ อันนี้คือ"
    },
    {
      "message_id": 633,
      "agent_id": 14,
      "delay": 6.466,
      "onscreen_delay": 5.172,
      "typing_delay": 1.294,
      "typing_duration": 8.396,
      "wpm": 50,
      "message": "Stack ที่ได้หลังจากที่เราใช้"
    },
    {
      "message_id": 634,
      "agent_id": 29,
      "delay": 4.395,
      "onscreen_delay": 4.073,
      "typing_delay": 0.322,
      "typing_duration": 5.871,
      "wpm": 56,
      "message": "คำสั่งทั้งหมด 5 คำสั่ง "
    },
    {
      "message_id": 635,
      "agent_id": 13,
      "delay": 6.76,
      "onscreen_delay": 0,
      "typing_delay": 6.76,
      "typing_duration": 6.76,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 636,
      "agent_id": 33,
      "delay": 2.759,
      "onscreen_delay": 0.667,
      "typing_delay": 2.092,
      "typing_duration": 8.599,
      "wpm": 7,
      "message": "โอเค"
    },
    {
      "message_id": 637,
      "agent_id": 14,
      "delay": 4.597,
      "onscreen_delay": 0.391,
      "typing_delay": 4.206,
      "typing_duration": 4.206,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 638,
      "agent_id": 29,
      "delay": 1.29,
      "onscreen_delay": 0,
      "typing_delay": 1.29,
      "typing_duration": 12.484,
      "wpm": 34,
      "message": "ถัดมาครูเปลี่ยนนะ จากแนวตั้ง"
    },
    {
      "message_id": 639,
      "agent_id": 13,
      "delay": 8.483,
      "onscreen_delay": 7.002,
      "typing_delay": 1.481,
      "typing_duration": 13.298,
      "wpm": 54,
      "message": "เป็นแนวนอนนะคะ ถ้าครูลองเปลี่ยน Stack เป็นแนวนอน"
    },
    {
      "message_id": 640,
      "agent_id": 33,
      "delay": 9.296,
      "onscreen_delay": 8.447,
      "typing_delay": 0.849,
      "typing_duration": 4.399,
      "wpm": 14,
      "message": "บ้าง"
    },
    {
      "message_id": 641,
      "agent_id": 14,
      "delay": 5.295,
      "onscreen_delay": 1.12,
      "typing_delay": 4.175,
      "typing_duration": 4.175,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 642,
      "agent_id": 29,
      "delay": 6.906,
      "onscreen_delay": 0,
      "typing_delay": 6.906,
      "typing_duration": 6.906,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 643,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 644,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 645,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.849,
      "typing_delay": 4.15,
      "typing_duration": 4.15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 646,
      "agent_id": 29,
      "delay": 14.927,
      "onscreen_delay": 0,
      "typing_delay": 14.927,
      "typing_duration": 14.927,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 647,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 648,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.853,
      "typing_delay": 4.146,
      "typing_duration": 12.837,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 649,
      "agent_id": 14,
      "delay": 8.835,
      "onscreen_delay": 8.774,
      "typing_delay": 0.061,
      "typing_duration": 9.568,
      "wpm": 71,
      "message": "คราวนี้ครูลองเปลี่ยน Stack เป็นอีกรูปแบบหนึ่ง "
    },
    {
      "message_id": 650,
      "agent_id": 29,
      "delay": 5.564,
      "onscreen_delay": 5.369,
      "typing_delay": 0.195,
      "typing_duration": 4.341,
      "wpm": 62,
      "message": "เป็นแนวนอนบ้างนะคะ "
    },
    {
      "message_id": 651,
      "agent_id": 13,
      "delay": 1.731,
      "onscreen_delay": 0,
      "typing_delay": 1.731,
      "typing_duration": 8.963,
      "wpm": 23,
      "message": "และครูมีตัวเลข"
    },
    {
      "message_id": 652,
      "agent_id": 33,
      "delay": 4.962,
      "onscreen_delay": 4.28,
      "typing_delay": 0.682,
      "typing_duration": 15,
      "wpm": 28,
      "message": "ที่อยู่ใน Stack ไว้ให้ คือ 3 "
    },
    {
      "message_id": 653,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 10.997,
      "typing_delay": 0,
      "typing_duration": 9.2,
      "wpm": 70,
      "message": "แล้วก็ 1 ถูกไหม ตัวแรกจะอยู่ซ้ายสุดถูกไหมคะ "
    },
    {
      "message_id": 654,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 6.318,
      "typing_delay": 0.678,
      "typing_duration": 7.859,
      "wpm": 40,
      "message": "ถัดมาก็จะเป็นตัวที่ 2 "
    },
    {
      "message_id": 655,
      "agent_id": 13,
      "delay": 3.857,
      "onscreen_delay": 3.757,
      "typing_delay": 0.1,
      "typing_duration": 8.668,
      "wpm": 55,
      "message": "แล้วครูใช้คำสั่ง Push 5 ข้อที่ 2 "
    },
    {
      "message_id": 656,
      "agent_id": 33,
      "delay": 4.662,
      "onscreen_delay": 4.105,
      "typing_delay": 0.557,
      "typing_duration": 10.237,
      "wpm": 29,
      "message": "ครู Push 6 เสร็จแล้ว"
    },
    {
      "message_id": 657,
      "agent_id": 14,
      "delay": 6.235,
      "onscreen_delay": 6.235,
      "typing_delay": 0,
      "typing_duration": 4.124,
      "wpm": 73,
      "message": "ครู Pop นะคะ ลองทำสิ "
    },
    {
      "message_id": 658,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 659,
      "agent_id": 13,
      "delay": 15.004,
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      "wpm": 20,
      "message": "คราวนี้นะคะ"
    },
    {
      "message_id": 749,
      "agent_id": 14,
      "delay": 6.993,
      "onscreen_delay": 6.245,
      "typing_delay": 0.748,
      "typing_duration": 4.245,
      "wpm": 53,
      "message": "มาดูเฉลยด้วยกัน "
    },
    {
      "message_id": 750,
      "agent_id": 29,
      "delay": 2.991,
      "onscreen_delay": 1.45,
      "typing_delay": 1.541,
      "typing_duration": 10.727,
      "wpm": 31,
      "message": "ครูสั่ง Push 5 แสดงว่า"
    },
    {
      "message_id": 751,
      "agent_id": 13,
      "delay": 6.723,
      "onscreen_delay": 4.462,
      "typing_delay": 2.261,
      "typing_duration": 12.887,
      "wpm": 34,
      "message": "ครูกำลังจะใส่ข้อมูลลงใน Stack "
    },
    {
      "message_id": 752,
      "agent_id": 33,
      "delay": 8.886,
      "onscreen_delay": 7.88,
      "typing_delay": 1.006,
      "typing_duration": 15,
      "wpm": 28,
      "message": "ครูก็เอาเลข 5 มาหย่อนลงเลยนะ"
    },
    {
      "message_id": 753,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.835,
      "typing_delay": 0.164,
      "typing_duration": 5.045,
      "wpm": 68,
      "message": "เอาเลข 5 มาหย่อนเลยนะคะ "
    },
    {
      "message_id": 754,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.71,
      "typing_delay": 0.287,
      "typing_duration": 5.799,
      "wpm": 57,
      "message": "ถัดมาครูใช้คำสั่ง Push "
    },
    {
      "message_id": 755,
      "agent_id": 13,
      "delay": 2.995,
      "onscreen_delay": 1.916,
      "typing_delay": 1.079,
      "typing_duration": 11.961,
      "wpm": 39,
      "message": "ครูใช้คำสั่ง Push ทำอย่างไร เอา"
    },
    {
      "message_id": 756,
      "agent_id": 33,
      "delay": 7.957,
      "onscreen_delay": 7,
      "typing_delay": 0.957,
      "typing_duration": 13.019,
      "wpm": 31,
      "message": "ของเดิมยกลงมาก่อน ยกของเดิม"
    },
    {
      "message_id": 757,
      "agent_id": 14,
      "delay": 9.017,
      "onscreen_delay": 9.017,
      "typing_delay": 0,
      "typing_duration": 7.916,
      "wpm": 44,
      "message": "มาใส่ก่อนนะคะ ก็จะมี 3, "
    },
    {
      "message_id": 758,
      "agent_id": 29,
      "delay": 5.016,
      "onscreen_delay": 4.707,
      "typing_delay": 0.309,
      "typing_duration": 6.774,
      "wpm": 22,
      "message": "1 แล้วก็ 5 "
    },
    {
      "message_id": 759,
      "agent_id": 13,
      "delay": 2.767,
      "onscreen_delay": 2.443,
      "typing_delay": 0.324,
      "typing_duration": 10.449,
      "wpm": 50,
      "message": "จากนั้น เรา Push ค่าใหม่ ใส่ค่าใหม่"
    },
    {
      "message_id": 760,
      "agent_id": 33,
      "delay": 6.443,
      "onscreen_delay": 5.936,
      "typing_delay": 0.507,
      "typing_duration": 10.971,
      "wpm": 16,
      "message": "ลงไป ก็คือ 6 "
    },
    {
      "message_id": 761,
      "agent_id": 14,
      "delay": 6.969,
      "onscreen_delay": 6.969,
      "typing_delay": 0,
      "typing_duration": 9.633,
      "wpm": 62,
      "message": "โอเคนะ ใส่ค่า 6 ก็คือค่าใหม่ลงไปใน Stack "
    },
    {
      "message_id": 762,
      "agent_id": 29,
      "delay": 5.632,
      "onscreen_delay": 4.434,
      "typing_delay": 1.198,
      "typing_duration": 9.421,
      "wpm": 40,
      "message": "เสร็จแล้วครูใช้คำสั่ง Pop "
    },
    {
      "message_id": 763,
      "agent_id": 13,
      "delay": 5.42,
      "onscreen_delay": 5.348,
      "typing_delay": 0.072,
      "typing_duration": 13.195,
      "wpm": 33,
      "message": "ก็คือเอาออก ก็คือเอาตัวล่าสุด"
    },
    {
      "message_id": 764,
      "agent_id": 33,
      "delay": 9.193,
      "onscreen_delay": 8.693,
      "typing_delay": 0.5,
      "typing_duration": 10.092,
      "wpm": 31,
      "message": "ที่อยู่ด้านขวา เอาออก"
    },
    {
      "message_id": 765,
      "agent_id": 14,
      "delay": 6.091,
      "onscreen_delay": 5.999,
      "typing_delay": 0.092,
      "typing_duration": 9.188,
      "wpm": 62,
      "message": "เพราะฉะนั้น ค่าที่ถูกเอาออก ก็คือเลข 6 "
    },
    {
      "message_id": 766,
      "agent_id": 29,
      "delay": 5.187,
      "onscreen_delay": 3.728,
      "typing_delay": 1.459,
      "typing_duration": 6.969,
      "wpm": 52,
      "message": "เห็นไหมคะ เอาเลข 6 ออกมา"
    },
    {
      "message_id": 767,
      "agent_id": 13,
      "delay": 2.967,
      "onscreen_delay": 2.492,
      "typing_delay": 0.475,
      "typing_duration": 8.011,
      "wpm": 41,
      "message": "แล้วเราก็ยกตัวที่เหลือ"
    },
    {
      "message_id": 768,
      "agent_id": 33,
      "delay": 4.004,
      "onscreen_delay": 3.107,
      "typing_delay": 0.897,
      "typing_duration": 15.002,
      "wpm": 21,
      "message": "ลงมาใส่ ก็จะเหลือเป็น"
    },
    {
      "message_id": 769,
      "agent_id": 14,
      "delay": 10.994,
      "onscreen_delay": 10.994,
      "typing_delay": 0,
      "typing_duration": 4.393,
      "wpm": 61,
      "message": "3, 1 แล้วก็ 5 นะคะ "
    },
    {
      "message_id": 770,
      "agent_id": 29,
      "delay": 6.988,
      "onscreen_delay": 2.674,
      "typing_delay": 4.314,
      "typing_duration": 4.314,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 771,
      "agent_id": 13,
      "delay": 7.741,
      "onscreen_delay": 0,
      "typing_delay": 7.741,
      "typing_duration": 7.741,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 772,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 773,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.595,
      "typing_delay": 4.404,
      "typing_duration": 4.404,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 774,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 775,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 776,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 777,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.864,
      "typing_delay": 4.135,
      "typing_duration": 4.135,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 778,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 779,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 780,
      "agent_id": 33,
      "delay": 12.634,
      "onscreen_delay": 0,
      "typing_delay": 12.634,
      "typing_duration": 12.634,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 781,
      "agent_id": 14,
      "delay": 8.632,
      "onscreen_delay": 4.479,
      "typing_delay": 4.153,
      "typing_duration": 4.153,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 782,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 783,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 784,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 785,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 1.056,
      "typing_delay": 9.942,
      "typing_duration": 9.942,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 786,
      "agent_id": 29,
      "delay": 13.197,
      "onscreen_delay": 0,
      "typing_delay": 13.197,
      "typing_duration": 13.197,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 787,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 788,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.781,
      "typing_delay": 1.218,
      "typing_duration": 13.13,
      "wpm": 22,
      "message": "คราวนี้นะคะ มาดูต่อ"
    },
    {
      "message_id": 789,
      "agent_id": 14,
      "delay": 9.129,
      "onscreen_delay": 9.113,
      "typing_delay": 0.016,
      "typing_duration": 9.707,
      "wpm": 99,
      "message": "กระดาษที่ครูแจกเอาวางไว้ก่อนนะคะ อย่าเพิ่งใช้ เรายังไม่ใช้ตอนนี้ "
    },
    {
      "message_id": 790,
      "agent_id": 29,
      "delay": 5.706,
      "onscreen_delay": 1.547,
      "typing_delay": 4.159,
      "typing_duration": 4.159,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 791,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 792,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 9.936,
      "typing_delay": 1.063,
      "typing_duration": 15,
      "wpm": 28,
      "message": "เราใช้ Stack ทำอะไร เมื่อกี้"
    },
    {
      "message_id": 793,
      "agent_id": 14,
      "delay": 10.995,
      "onscreen_delay": 10.995,
      "typing_delay": 0,
      "typing_duration": 7.963,
      "wpm": 79,
      "message": "เราพูดถึง Stack ไปแล้วนะ เข้าก่อนออกทีหลัง"
    },
    {
      "message_id": 794,
      "agent_id": 29,
      "delay": 6.994,
      "onscreen_delay": 6.533,
      "typing_delay": 0.461,
      "typing_duration": 6.552,
      "wpm": 50,
      "message": "นะคะ ข้อมูลไหนเข้าก่อน"
    },
    {
      "message_id": 795,
      "agent_id": 13,
      "delay": 2.992,
      "onscreen_delay": 2.992,
      "typing_delay": 0,
      "typing_duration": 7.498,
      "wpm": 34,
      "message": "จะถูกเอาออกทีหลัง "
    },
    {
      "message_id": 796,
      "agent_id": 33,
      "delay": 3.497,
      "onscreen_delay": 3.012,
      "typing_delay": 0.485,
      "typing_duration": 14.678,
      "wpm": 28,
      "message": "แล้วเราใช้ Stack ทำอะไรบ้าง"
    },
    {
      "message_id": 797,
      "agent_id": 14,
      "delay": 10.678,
      "onscreen_delay": 10.047,
      "typing_delay": 0.631,
      "typing_duration": 8.19,
      "wpm": 46,
      "message": "เราใช้ Stack มาทำอะไรบ้าง "
    },
    {
      "message_id": 798,
      "agent_id": 29,
      "delay": 6.677,
      "onscreen_delay": 6.617,
      "typing_delay": 0.06,
      "typing_duration": 8.536,
      "wpm": 67,
      "message": "ทุกคนบวกเลขเป็นใช่ไหม ทุกคนบวกลบคูณหาร"
    },
    {
      "message_id": 799,
      "agent_id": 13,
      "delay": 4.535,
      "onscreen_delay": 4.082,
      "typing_delay": 0.453,
      "typing_duration": 6.629,
      "wpm": 61,
      "message": "สมการทางคณิตศาสตร์ได้ Stack "
    },
    {
      "message_id": 800,
      "agent_id": 33,
      "delay": 2.627,
      "onscreen_delay": 1.752,
      "typing_delay": 0.875,
      "typing_duration": 12.451,
      "wpm": 22,
      "message": "จะถูกเอามาใช้ในการ"
    },
    {
      "message_id": 801,
      "agent_id": 14,
      "delay": 8.45,
      "onscreen_delay": 8.426,
      "typing_delay": 0.024,
      "typing_duration": 7.409,
      "wpm": 55,
      "message": "หาผลลัพธ์ของสมการคณิตศาสตร์ "
    },
    {
      "message_id": 802,
      "agent_id": 29,
      "delay": 4.448,
      "onscreen_delay": 3.73,
      "typing_delay": 0.718,
      "typing_duration": 7.453,
      "wpm": 38,
      "message": "บวกเลข บวกลบเลขนะคะ "
    },
    {
      "message_id": 803,
      "agent_id": 13,
      "delay": 3.452,
      "onscreen_delay": 1.398,
      "typing_delay": 2.054,
      "typing_duration": 10.015,
      "wpm": 49,
      "message": "คราวนี้ ก่อนที่จะไปดูรูปแบบของการ"
    },
    {
      "message_id": 804,
      "agent_id": 33,
      "delay": 6.013,
      "onscreen_delay": 5.377,
      "typing_delay": 0.636,
      "typing_duration": 15,
      "wpm": 29,
      "message": "ใช้ Stack แล้ว Stack มันเกี่ย"
    },
    {
      "message_id": 805,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 10.998,
      "typing_delay": 0,
      "typing_duration": 9.043,
      "wpm": 76,
      "message": "กับการบวก ลบ คูณ หาร นะคะ เรามาดูรูปแบบก่อนว่า"
    },
    {
      "message_id": 806,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 5.398,
      "typing_delay": 1.598,
      "typing_duration": 8.285,
      "wpm": 51,
      "message": "เราใช้ Stack เพื่อเป็นนิพนธ์ "
    },
    {
      "message_id": 807,
      "agent_id": 13,
      "delay": 4.284,
      "onscreen_delay": 3.574,
      "typing_delay": 0.71,
      "typing_duration": 6.631,
      "wpm": 43,
      "message": "ก็คือลักษณะของสมการ "
    },
    {
      "message_id": 808,
      "agent_id": 33,
      "delay": 2.625,
      "onscreen_delay": 1.345,
      "typing_delay": 1.28,
      "typing_duration": 15.001,
      "wpm": 29,
      "message": "มีอยู่ 3 รูปแบบ รูปแบบแรกก็คื"
    },
    {
      "message_id": 809,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 11,
      "typing_delay": 0,
      "typing_duration": 11.208,
      "wpm": 7,
      "message": "ก็คือ "
    },
    {
      "message_id": 810,
      "agent_id": 29,
      "delay": 7.206,
      "onscreen_delay": 6.562,
      "typing_delay": 0.644,
      "typing_duration": 8.026,
      "wpm": 64,
      "message": "บวก ลบ คูณ หาร จะอยู่ระหว่างตัวเลข"
    },
    {
      "message_id": 811,
      "agent_id": 13,
      "delay": 4.022,
      "onscreen_delay": 3.585,
      "typing_delay": 0.437,
      "typing_duration": 12.818,
      "wpm": 41,
      "message": "นะคะ อันนี้คือ Infix นิพจน์ตัวที่ 2 "
    },
    {
      "message_id": 812,
      "agent_id": 33,
      "delay": 8.817,
      "onscreen_delay": 7.826,
      "typing_delay": 0.991,
      "typing_duration": 15.001,
      "wpm": 12,
      "message": "ก็คือ Prefix "
    },
    {
      "message_id": 813,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.866,
      "typing_delay": 0.134,
      "typing_duration": 8.439,
      "wpm": 73,
      "message": "เครื่องหมาย บวก ลบ คูณ หาร จะอยู่ด้านหน้า "
    },
    {
      "message_id": 814,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 5.489,
      "typing_delay": 1.51,
      "typing_duration": 8.589,
      "wpm": 28,
      "message": "และตัวสุดท้ายคือ "
    },
    {
      "message_id": 815,
      "agent_id": 13,
      "delay": 4.587,
      "onscreen_delay": 4.302,
      "typing_delay": 0.285,
      "typing_duration": 11.63,
      "wpm": 57,
      "message": "Postfix เครื่องหมายจะไปอยู่ด้านหลังของตัวเลข "
    },
    {
      "message_id": 816,
      "agent_id": 33,
      "delay": 7.629,
      "onscreen_delay": 5.196,
      "typing_delay": 2.433,
      "typing_duration": 15.001,
      "wpm": 23,
      "message": "AC อันนนี้คือตัวเลขนะคะ "
    },
    {
      "message_id": 817,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.933,
      "typing_delay": 0.066,
      "typing_duration": 4.215,
      "wpm": 78,
      "message": "เราจะแทนด้วยตัวเลขใด ๆ "
    },
    {
      "message_id": 818,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 4.552,
      "typing_delay": 2.446,
      "typing_duration": 10.542,
      "wpm": 34,
      "message": "คราวนี้ดูนะคะ ในการคำนวณ"
    },
    {
      "message_id": 819,
      "agent_id": 13,
      "delay": 6.536,
      "onscreen_delay": 6.03,
      "typing_delay": 0.506,
      "typing_duration": 6.5,
      "wpm": 35,
      "message": "ทางคณิตศาสตร์นะ "
    },
    {
      "message_id": 820,
      "agent_id": 33,
      "delay": 2.534,
      "onscreen_delay": 1.662,
      "typing_delay": 0.872,
      "typing_duration": 10.479,
      "wpm": 34,
      "message": "เวลาเราเจอนะคะ การบวก ลบ "
    },
    {
      "message_id": 821,
      "agent_id": 14,
      "delay": 6.478,
      "onscreen_delay": 6.418,
      "typing_delay": 0.06,
      "typing_duration": 8.456,
      "wpm": 43,
      "message": "ที่มันมีมากกว่า 2 ตัวเลข "
    },
    {
      "message_id": 822,
      "agent_id": 29,
      "delay": 4.455,
      "onscreen_delay": 1.873,
      "typing_delay": 2.582,
      "typing_duration": 10.405,
      "wpm": 14,
      "message": "เช่นแบบนี้ "
    },
    {
      "message_id": 823,
      "agent_id": 13,
      "delay": 6.403,
      "onscreen_delay": 6.149,
      "typing_delay": 0.254,
      "typing_duration": 12.15,
      "wpm": 42,
      "message": "5 + 2 x 2 มันมีตัวเลขมากกว่า 2 ตัว "
    },
    {
      "message_id": 824,
      "agent_id": 33,
      "delay": 8.149,
      "onscreen_delay": 7.194,
      "typing_delay": 0.955,
      "typing_duration": 12.962,
      "wpm": 14,
      "message": "นะคะ แล้วเรา"
    },
    {
      "message_id": 825,
      "agent_id": 14,
      "delay": 8.96,
      "onscreen_delay": 8.924,
      "typing_delay": 0.036,
      "typing_duration": 4.609,
      "wpm": 55,
      "message": "จะบวกลบเลขอย่างไร "
    },
    {
      "message_id": 826,
      "agent_id": 29,
      "delay": 4.959,
      "onscreen_delay": 2.884,
      "typing_delay": 2.075,
      "typing_duration": 10.534,
      "wpm": 36,
      "message": "เรามีลำดับความสัมพันธ์ของ"
    },
    {
      "message_id": 827,
      "agent_id": 13,
      "delay": 6.532,
      "onscreen_delay": 6.532,
      "typing_delay": 0,
      "typing_duration": 7.327,
      "wpm": 43,
      "message": "เครื่องหมาย เจอวงเล็บ"
    },
    {
      "message_id": 828,
      "agent_id": 33,
      "delay": 3.324,
      "onscreen_delay": 2.65,
      "typing_delay": 0.674,
      "typing_duration": 12.444,
      "wpm": 17,
      "message": "ก่อนทำในวงเล็บ"
    },
    {
      "message_id": 829,
      "agent_id": 14,
      "delay": 8.443,
      "onscreen_delay": 6.884,
      "typing_delay": 1.559,
      "typing_duration": 9.666,
      "wpm": 42,
      "message": "ใช่ไหมคะ เราเจอในวงเล็บ เรา"
    },
    {
      "message_id": 830,
      "agent_id": 29,
      "delay": 5.664,
      "onscreen_delay": 5.137,
      "typing_delay": 0.527,
      "typing_duration": 6.918,
      "wpm": 50,
      "message": "บวกลบเลขนี่ในวงเล็บก่อน "
    },
    {
      "message_id": 831,
      "agent_id": 13,
      "delay": 2.917,
      "onscreen_delay": 2.837,
      "typing_delay": 0.08,
      "typing_duration": 11.623,
      "wpm": 49,
      "message": "จากนั้น ลำดับความสำคัญตัวที่ 2 ที่ต้อง"
    },
    {
      "message_id": 832,
      "agent_id": 33,
      "delay": 7.622,
      "onscreen_delay": 6.912,
      "typing_delay": 0.71,
      "typing_duration": 13.655,
      "wpm": 25,
      "message": "ทำก่อนก็คือ เครื่องหมาย"
    },
    {
      "message_id": 833,
      "agent_id": 14,
      "delay": 9.652,
      "onscreen_delay": 9.652,
      "typing_delay": 0,
      "typing_duration": 7.363,
      "wpm": 67,
      "message": "ยกกำลัง เช่น 2 ยกกำลัง 2 ถูกไหมคะ "
    },
    {
      "message_id": 834,
      "agent_id": 29,
      "delay": 5.651,
      "onscreen_delay": 5.119,
      "typing_delay": 0.532,
      "typing_duration": 5.296,
      "wpm": 76,
      "message": "3 ยกกำลัง 2 อย่างนี้เป็นต้น "
    },
    {
      "message_id": 835,
      "agent_id": 13,
      "delay": 1.65,
      "onscreen_delay": 0.384,
      "typing_delay": 1.266,
      "typing_duration": 8.803,
      "wpm": 37,
      "message": "เจอเลขยกกำลังเสร็จแล้ว "
    },
    {
      "message_id": 836,
      "agent_id": 33,
      "delay": 4.802,
      "onscreen_delay": 4.148,
      "typing_delay": 0.654,
      "typing_duration": 15,
      "wpm": 33,
      "message": "เราจะคำนวณเครื่องหมายไหนต่อไป ก็ค"
    },
    {
      "message_id": 837,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.997,
      "typing_delay": 0.002,
      "typing_duration": 6.822,
      "wpm": 70,
      "message": "กับหาร คูณกับหารมีลำดับความสำคัญ"
    },
    {
      "message_id": 838,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.772,
      "typing_delay": 0.226,
      "typing_duration": 7.212,
      "wpm": 58,
      "message": "เท่ากันนะคะ มีลำดับความสำคัญ"
    },
    {
      "message_id": 839,
      "agent_id": 13,
      "delay": 3.211,
      "onscreen_delay": 3.019,
      "typing_delay": 0.192,
      "typing_duration": 10.374,
      "wpm": 33,
      "message": "เท่ากัน ตามด้วยบวกกับลบ "
    },
    {
      "message_id": 840,
      "agent_id": 33,
      "delay": 6.373,
      "onscreen_delay": 4.796,
      "typing_delay": 1.577,
      "typing_duration": 13.076,
      "wpm": 24,
      "message": "บวกกับลบก็มีความสำคัญ"
    },
    {
      "message_id": 841,
      "agent_id": 14,
      "delay": 9.074,
      "onscreen_delay": 9.074,
      "typing_delay": 0,
      "typing_duration": 8.297,
      "wpm": 27,
      "message": "เท่ากัน แต่จะทำ"
    },
    {
      "message_id": 842,
      "agent_id": 29,
      "delay": 5.073,
      "onscreen_delay": 4.78,
      "typing_delay": 0.293,
      "typing_duration": 6.397,
      "wpm": 68,
      "message": "หลังการทำเครื่องหมายคูณกับหาร "
    },
    {
      "message_id": 843,
      "agent_id": 13,
      "delay": 4.922,
      "onscreen_delay": 0,
      "typing_delay": 4.922,
      "typing_duration": 4.922,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 844,
      "agent_id": 33,
      "delay": 0.917,
      "onscreen_delay": 0.267,
      "typing_delay": 0.65,
      "typing_duration": 11.955,
      "wpm": 35,
      "message": "คราวนี้มาดูโจทย์ครู 2 ตัวนี้"
    },
    {
      "message_id": 845,
      "agent_id": 14,
      "delay": 7.952,
      "onscreen_delay": 7.809,
      "typing_delay": 0.143,
      "typing_duration": 9.504,
      "wpm": 47,
      "message": "เป็นตัวเลขตัวเดียวกันเลย 5 + 2 "
    },
    {
      "message_id": 846,
      "agent_id": 29,
      "delay": 5.501,
      "onscreen_delay": 4.094,
      "typing_delay": 1.407,
      "typing_duration": 14.371,
      "wpm": 10,
      "message": "x 2 ตัวแรก"
    },
    {
      "message_id": 847,
      "agent_id": 13,
      "delay": 10.369,
      "onscreen_delay": 9.471,
      "typing_delay": 0.898,
      "typing_duration": 14.542,
      "wpm": 48,
      "message": "ครูมีวงเล็บเปิดกับวงเล็บปิด โจทย์ตัวที่ 2 ไม่มี"
    },
    {
      "message_id": 848,
      "agent_id": 33,
      "delay": 10.538,
      "onscreen_delay": 9.777,
      "typing_delay": 0.761,
      "typing_duration": 15,
      "wpm": 27,
      "message": "วงเล็บนะคะ ครูไม่มีวงเล็บนะ"
    },
    {
      "message_id": 849,
      "agent_id": 14,
      "delay": 10.995,
      "onscreen_delay": 9.647,
      "typing_delay": 1.348,
      "typing_duration": 6.826,
      "wpm": 46,
      "message": "คราวนี้มาดูข้อแรกก่อน "
    },
    {
      "message_id": 850,
      "agent_id": 29,
      "delay": 6.994,
      "onscreen_delay": 6.73,
      "typing_delay": 0.264,
      "typing_duration": 7.303,
      "wpm": 53,
      "message": "อย่างที่บอกว่าถ้าเจอวงเล็บ "
    },
    {
      "message_id": 851,
      "agent_id": 13,
      "delay": 3.302,
      "onscreen_delay": 2.988,
      "typing_delay": 0.314,
      "typing_duration": 6.617,
      "wpm": 52,
      "message": "วงเล็บเปิด วงเล็บปิด ทำ"
    },
    {
      "message_id": 852,
      "agent_id": 33,
      "delay": 2.615,
      "onscreen_delay": 0.649,
      "typing_delay": 1.966,
      "typing_duration": 10.428,
      "wpm": 23,
      "message": "ข้างในวงเล็บก่อน"
    },
    {
      "message_id": 853,
      "agent_id": 14,
      "delay": 6.427,
      "onscreen_delay": 6.311,
      "typing_delay": 0.116,
      "typing_duration": 6.477,
      "wpm": 88,
      "message": "เพราะฉะนั้น เราเอาอะไรบวกกันก่อน 5 + 2 "
    },
    {
      "message_id": 854,
      "agent_id": 29,
      "delay": 2.475,
      "onscreen_delay": 2.129,
      "typing_delay": 0.346,
      "typing_duration": 8.92,
      "wpm": 32,
      "message": "เป็นเท่าไรคะ เป็น 7 "
    },
    {
      "message_id": 855,
      "agent_id": 13,
      "delay": 4.919,
      "onscreen_delay": 3.882,
      "typing_delay": 1.037,
      "typing_duration": 13.261,
      "wpm": 35,
      "message": "7 แล้วคูณด้วย 2 เท่ากับเท่าไหร่ "
    },
    {
      "message_id": 856,
      "agent_id": 33,
      "delay": 9.26,
      "onscreen_delay": 7.757,
      "typing_delay": 1.503,
      "typing_duration": 8.583,
      "wpm": 30,
      "message": "เท่ากับเท่าไหร่คะ"
    },
    {
      "message_id": 857,
      "agent_id": 14,
      "delay": 5.258,
      "onscreen_delay": 4.703,
      "typing_delay": 0.555,
      "typing_duration": 5.351,
      "wpm": 28,
      "message": "เท่ากับ 14 "
    },
    {
      "message_id": 858,
      "agent_id": 29,
      "delay": 2.82,
      "onscreen_delay": 0,
      "typing_delay": 2.82,
      "typing_duration": 12.382,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 859,
      "agent_id": 13,
      "delay": 8.381,
      "onscreen_delay": 8.381,
      "typing_delay": 0,
      "typing_duration": 10.758,
      "wpm": 53,
      "message": "ตัวเลขเท่ากับ 14 ตัวแรกนะคะ เท่ากับ 14 "
    },
    {
      "message_id": 860,
      "agent_id": 33,
      "delay": 6.756,
      "onscreen_delay": 5.652,
      "typing_delay": 1.104,
      "typing_duration": 12.731,
      "wpm": 24,
      "message": "แล้วมาดูข้อ 2 ครูตัด"
    },
    {
      "message_id": 861,
      "agent_id": 14,
      "delay": 8.73,
      "onscreen_delay": 8.73,
      "typing_delay": 0,
      "typing_duration": 8.138,
      "wpm": 41,
      "message": "วงเล็บทิ้งไป 5 + 2 x 2 "
    },
    {
      "message_id": 862,
      "agent_id": 29,
      "delay": 4.729,
      "onscreen_delay": 3.049,
      "typing_delay": 1.68,
      "typing_duration": 5.118,
      "wpm": 44,
      "message": "เราทำตรงไหนก่อน "
    },
    {
      "message_id": 863,
      "agent_id": 13,
      "delay": 1.111,
      "onscreen_delay": 1.109,
      "typing_delay": 0.002,
      "typing_duration": 9.195,
      "wpm": 64,
      "message": "ย้อนกลับขึ้นมาดูข้างบน ระหว่างบวกกับคูณ "
    },
    {
      "message_id": 864,
      "agent_id": 33,
      "delay": 5.194,
      "onscreen_delay": 4.394,
      "typing_delay": 0.8,
      "typing_duration": 11.039,
      "wpm": 26,
      "message": "อะไรสำคัญมากกว่ากัน"
    },
    {
      "message_id": 865,
      "agent_id": 14,
      "delay": 7.038,
      "onscreen_delay": 6.632,
      "typing_delay": 0.406,
      "typing_duration": 7.527,
      "wpm": 54,
      "message": "อะไรมีความสำคัญมากกว่ากันคะ "
    },
    {
      "message_id": 866,
      "agent_id": 29,
      "delay": 3.525,
      "onscreen_delay": 3.431,
      "typing_delay": 0.094,
      "typing_duration": 4.13,
      "wpm": 33,
      "message": "บวกกับคูณ "
    },
    {
      "message_id": 867,
      "agent_id": 13,
      "delay": 11,
      "onscreen_delay": 0,
      "typing_delay": 11,
      "typing_duration": 11,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 868,
      "agent_id": 33,
      "delay": 6.996,
      "onscreen_delay": 6.349,
      "typing_delay": 0.647,
      "typing_duration": 11.001,
      "wpm": 33,
      "message": "ข้างบนเห็นไหมคะว่า 1 นี่"
    },
    {
      "message_id": 869,
      "agent_id": 14,
      "delay": 6.994,
      "onscreen_delay": 6.984,
      "typing_delay": 0.01,
      "typing_duration": 7.369,
      "wpm": 79,
      "message": "มีความสำคัญมากสุดนะ 2. ความสำคัญรองลงมา"
    },
    {
      "message_id": 870,
      "agent_id": 29,
      "delay": 3.367,
      "onscreen_delay": 1.941,
      "typing_delay": 1.426,
      "typing_duration": 9.116,
      "wpm": 39,
      "message": "ตัวนี้ เบอร์ 3 ความสำคัญ"
    },
    {
      "message_id": 871,
      "agent_id": 33,
      "delay": 5.113,
      "onscreen_delay": 4.143,
      "typing_delay": 0.97,
      "typing_duration": 11.001,
      "wpm": 33,
      "message": "รองลงมา เบอร์ 4 ความสำคั"
    },
    {
      "message_id": 872,
      "agent_id": 14,
      "delay": 7,
      "onscreen_delay": 6.118,
      "typing_delay": 0.882,
      "typing_duration": 6.642,
      "wpm": 47,
      "message": "เพราะฉะนั้น คูณกับบวก"
    },
    {
      "message_id": 873,
      "agent_id": 29,
      "delay": 2.996,
      "onscreen_delay": 2.447,
      "typing_delay": 0.549,
      "typing_duration": 6.115,
      "wpm": 61,
      "message": "อะไรมีความสำคัญมากกว่ากัน "
    },
    {
      "message_id": 874,
      "agent_id": 33,
      "delay": 2.114,
      "onscreen_delay": 1.229,
      "typing_delay": 0.885,
      "typing_duration": 11.001,
      "wpm": 37,
      "message": "คูณใช่ไหมคะ อันนี้คือมากสุด"
    },
    {
      "message_id": 875,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.741,
      "typing_delay": 0.257,
      "typing_duration": 4.185,
      "wpm": 22,
      "message": "มากสุด "
    },
    {
      "message_id": 876,
      "agent_id": 29,
      "delay": 3.555,
      "onscreen_delay": 0,
      "typing_delay": 3.555,
      "typing_duration": 7.253,
      "wpm": 31,
      "message": "เพราะฉะนั้น เรา"
    },
    {
      "message_id": 877,
      "agent_id": 33,
      "delay": 3.251,
      "onscreen_delay": 2.446,
      "typing_delay": 0.805,
      "typing_duration": 11.001,
      "wpm": 33,
      "message": "ทำอะไรก่อน 5+2 หรือเอา 2"
    },
    {
      "message_id": 878,
      "agent_id": 14,
      "delay": 7,
      "onscreen_delay": 7,
      "typing_delay": 0,
      "typing_duration": 7.925,
      "wpm": 36,
      "message": "หรือเอา 2 x 2 2 x 2 "
    },
    {
      "message_id": 879,
      "agent_id": 29,
      "delay": 3.923,
      "onscreen_delay": 3.482,
      "typing_delay": 0.441,
      "typing_duration": 9.368,
      "wpm": 19,
      "message": "เป็น 4 4 + 5 "
    },
    {
      "message_id": 880,
      "agent_id": 33,
      "delay": 5.367,
      "onscreen_delay": 4.278,
      "typing_delay": 1.089,
      "typing_duration": 11,
      "wpm": 22,
      "message": "5 เป็นเท่าไหร่คะ "
    },
    {
      "message_id": 881,
      "agent_id": 14,
      "delay": 6.999,
      "onscreen_delay": 6.977,
      "typing_delay": 0.022,
      "typing_duration": 4.193,
      "wpm": 21,
      "message": "เป็น 9 "
    },
    {
      "message_id": 882,
      "agent_id": 29,
      "delay": 2.998,
      "onscreen_delay": 1.082,
      "typing_delay": 1.916,
      "typing_duration": 4.181,
      "wpm": 14,
      "message": "โอเค "
    },
    {
      "message_id": 883,
      "agent_id": 33,
      "delay": 2.566,
      "onscreen_delay": 0,
      "typing_delay": 2.566,
      "typing_duration": 7.581,
      "wpm": 30,
      "message": "ถ้าครูเขียนใหม่"
    },
    {
      "message_id": 884,
      "agent_id": 14,
      "delay": 4.059,
      "onscreen_delay": 0,
      "typing_delay": 4.059,
      "typing_duration": 4.059,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 885,
      "agent_id": 29,
      "delay": 4.289,
      "onscreen_delay": 0,
      "typing_delay": 4.289,
      "typing_duration": 4.289,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 886,
      "agent_id": 33,
      "delay": 3.754,
      "onscreen_delay": 0,
      "typing_delay": 3.754,
      "typing_duration": 11.002,
      "wpm": 26,
      "message": "เลข 2 หรือ เดี๋ยวนะ"
    },
    {
      "message_id": 887,
      "agent_id": 14,
      "delay": 7.552,
      "onscreen_delay": 0,
      "typing_delay": 7.552,
      "typing_duration": 7.552,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 888,
      "agent_id": 29,
      "delay": 11.004,
      "onscreen_delay": 0,
      "typing_delay": 11.004,
      "typing_duration": 11.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 889,
      "agent_id": 33,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 890,
      "agent_id": 14,
      "delay": 8.381,
      "onscreen_delay": 0,
      "typing_delay": 8.381,
      "typing_duration": 8.381,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 891,
      "agent_id": 29,
      "delay": 4.379,
      "onscreen_delay": 0.67,
      "typing_delay": 3.709,
      "typing_duration": 8.362,
      "wpm": 20,
      "message": "โจทย์ข้อนี้ "
    },
    {
      "message_id": 892,
      "agent_id": 33,
      "delay": 4.36,
      "onscreen_delay": 3.258,
      "typing_delay": 1.102,
      "typing_duration": 11,
      "wpm": 10,
      "message": "5 คูณ 2"
    },
    {
      "message_id": 893,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.542,
      "typing_delay": 0.456,
      "typing_duration": 7.021,
      "wpm": 36,
      "message": "เท่ากับ 12 คนอื่น"
    },
    {
      "message_id": 894,
      "agent_id": 29,
      "delay": 3.02,
      "onscreen_delay": 1.953,
      "typing_delay": 1.067,
      "typing_duration": 9.019,
      "wpm": 57,
      "message": "ได้ไหมคะ เห็นไหม ตัวเลขเดียวกันเลย "
    },
    {
      "message_id": 895,
      "agent_id": 33,
      "delay": 5.018,
      "onscreen_delay": 4.991,
      "typing_delay": 0.027,
      "typing_duration": 11,
      "wpm": 48,
      "message": "สลับแล้วก็คเครื่องหมายมีเหมือนกันเล"
    },
    {
      "message_id": 896,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.998,
      "typing_delay": 0,
      "typing_duration": 6.626,
      "wpm": 68,
      "message": "แค่สลับตำแหน่งค่าก็เปลี่ยนแล้ว "
    },
    {
      "message_id": 897,
      "agent_id": 29,
      "delay": 2.997,
      "onscreen_delay": 1.089,
      "typing_delay": 1.908,
      "typing_duration": 8.47,
      "wpm": 44,
      "message": "ทันไหมคะ คูณกับบวกแสดงว่า"
    },
    {
      "message_id": 898,
      "agent_id": 33,
      "delay": 4.469,
      "onscreen_delay": 3.723,
      "typing_delay": 0.746,
      "typing_duration": 11.001,
      "wpm": 29,
      "message": "ทำคูณก่อน 5 คูณ 2 เป็"
    },
    {
      "message_id": 899,
      "agent_id": 14,
      "delay": 7,
      "onscreen_delay": 6.913,
      "typing_delay": 0.087,
      "typing_duration": 5.942,
      "wpm": 56,
      "message": "เป็น 10 10 + 2 เป็น 12 "
    },
    {
      "message_id": 900,
      "agent_id": 29,
      "delay": 4.181,
      "onscreen_delay": 0,
      "typing_delay": 4.181,
      "typing_duration": 8.986,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 901,
      "agent_id": 33,
      "delay": 4.985,
      "onscreen_delay": 2.528,
      "typing_delay": 2.457,
      "typing_duration": 7.533,
      "wpm": 8,
      "message": "โอเค"
    },
    {
      "message_id": 902,
      "agent_id": 14,
      "delay": 3.532,
      "onscreen_delay": 2.762,
      "typing_delay": 0.77,
      "typing_duration": 9.859,
      "wpm": 56,
      "message": "เอาตัวนี้บวกกันก่อน... คูณกันก่อนนะคะ "
    },
    {
      "message_id": 903,
      "agent_id": 29,
      "delay": 5.857,
      "onscreen_delay": 5.278,
      "typing_delay": 0.579,
      "typing_duration": 8.975,
      "wpm": 57,
      "message": "5 x 2 เป็น 10 แล้ว 10 ค่อยมาบวกกับ "
    },
    {
      "message_id": 904,
      "agent_id": 33,
      "delay": 4.974,
      "onscreen_delay": 3.965,
      "typing_delay": 1.009,
      "typing_duration": 6.008,
      "wpm": 15,
      "message": "2 โอเค"
    },
    {
      "message_id": 905,
      "agent_id": 14,
      "delay": 2.007,
      "onscreen_delay": 0.909,
      "typing_delay": 1.098,
      "typing_duration": 4.495,
      "wpm": 30,
      "message": "จะเห็นว่า"
    },
    {
      "message_id": 906,
      "agent_id": 29,
      "delay": 1.003,
      "onscreen_delay": 0,
      "typing_delay": 1.003,
      "typing_duration": 10.691,
      "wpm": 29,
      "message": "อันนี้คือเราคิดใช่ไหม "
    },
    {
      "message_id": 907,
      "agent_id": 33,
      "delay": 6.689,
      "onscreen_delay": 5.699,
      "typing_delay": 0.99,
      "typing_duration": 11,
      "wpm": 44,
      "message": "แล้วเราจะสั่งให้คอมพิวเตอณ์เข้สา"
    },
    {
      "message_id": 908,
      "agent_id": 14,
      "delay": 6.997,
      "onscreen_delay": 6.923,
      "typing_delay": 0.074,
      "typing_duration": 6.448,
      "wpm": 84,
      "message": "เข้าใจแบบที่เราคิดเมื่อกี้ได้อย่างไร "
    },
    {
      "message_id": 909,
      "agent_id": 29,
      "delay": 2.995,
      "onscreen_delay": 2.392,
      "typing_delay": 0.603,
      "typing_duration": 9.844,
      "wpm": 52,
      "message": "รู้ว่าถ้าเจอคูณนี่ต้องทำคูณก่อนเลย "
    },
    {
      "message_id": 910,
      "agent_id": 33,
      "delay": 5.842,
      "onscreen_delay": 4.916,
      "typing_delay": 0.926,
      "typing_duration": 11,
      "wpm": 41,
      "message": "เจอวงเล็บเปิด ต้องทำวงเล็บเปิด"
    },
    {
      "message_id": 911,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.246,
      "typing_delay": 0.752,
      "typing_duration": 8.866,
      "wpm": 73,
      "message": "ตอนนี้เราจะสั่งให้คอมพิวเตอร์นี่สามารถคำนวณ"
    },
    {
      "message_id": 912,
      "agent_id": 29,
      "delay": 4.863,
      "onscreen_delay": 4.129,
      "typing_delay": 0.734,
      "typing_duration": 8.188,
      "wpm": 51,
      "message": "ให้ได้แบบที่เราคำนวณเมื่อกี้ "
    },
    {
      "message_id": 913,
      "agent_id": 33,
      "delay": 4.187,
      "onscreen_delay": 1.701,
      "typing_delay": 2.486,
      "typing_duration": 9.81,
      "wpm": 9,
      "message": "เราใช้ "
    },
    {
      "message_id": 914,
      "agent_id": 14,
      "delay": 5.809,
      "onscreen_delay": 4.678,
      "typing_delay": 1.131,
      "typing_duration": 7.382,
      "wpm": 61,
      "message": "Stack เข้ามาช่วยในการคำนวณนะคะ "
    },
    {
      "message_id": 915,
      "agent_id": 29,
      "delay": 3.381,
      "onscreen_delay": 2.523,
      "typing_delay": 0.858,
      "typing_duration": 9.809,
      "wpm": 44,
      "message": "เราใช้ Stack เข้ามาในการคำนวณ "
    },
    {
      "message_id": 916,
      "agent_id": 33,
      "delay": 5.808,
      "onscreen_delay": 3.836,
      "typing_delay": 1.972,
      "typing_duration": 8.83,
      "wpm": 25,
      "message": "วิธีการทำแบบไหน"
    },
    {
      "message_id": 917,
      "agent_id": 14,
      "delay": 4.829,
      "onscreen_delay": 4.615,
      "typing_delay": 0.214,
      "typing_duration": 7.73,
      "wpm": 76,
      "message": "มาดูวิธีการนะคะ เรามีตัวเลขอยู่ชุดหนึ่ง "
    },
    {
      "message_id": 918,
      "agent_id": 29,
      "delay": 3.729,
      "onscreen_delay": 3.045,
      "typing_delay": 0.684,
      "typing_duration": 5.758,
      "wpm": 65,
      "message": "เราต้องการหาค่าออกมา เช่น "
    },
    {
      "message_id": 919,
      "agent_id": 33,
      "delay": 1.757,
      "onscreen_delay": 1.142,
      "typing_delay": 0.615,
      "typing_duration": 9.245,
      "wpm": 32,
      "message": "ครูมีตัวเลขชุดนี้ล่ะ "
    },
    {
      "message_id": 920,
      "agent_id": 14,
      "delay": 5.243,
      "onscreen_delay": 5.24,
      "typing_delay": 0.003,
      "typing_duration": 10.216,
      "wpm": 66,
      "message": "ครูสั่งให้คอมพิวเตอร์คำนวณ จะต้องได้ผลลัพธ์ 9 "
    },
    {
      "message_id": 921,
      "agent_id": 29,
      "delay": 6.215,
      "onscreen_delay": 4.341,
      "typing_delay": 1.874,
      "typing_duration": 6.497,
      "wpm": 60,
      "message": "คอมพิวเตอร์จะคิดแบบไหนนะคะ "
    },
    {
      "message_id": 922,
      "agent_id": 33,
      "delay": 2.496,
      "onscreen_delay": 1.243,
      "typing_delay": 1.253,
      "typing_duration": 11,
      "wpm": 40,
      "message": "1 เราต้องสร้างตารางแบบนี้ก่อน"
    },
    {
      "message_id": 923,
      "agent_id": 14,
      "delay": 6.999,
      "onscreen_delay": 6.999,
      "typing_delay": 0,
      "typing_duration": 9.807,
      "wpm": 47,
      "message": "มี 3 ช่อง ช่องแรก คือ ใส่ Input "
    },
    {
      "message_id": 924,
      "agent_id": 29,
      "delay": 5.806,
      "onscreen_delay": 5.309,
      "typing_delay": 0.497,
      "typing_duration": 6.318,
      "wpm": 55,
      "message": "ก็คือข้อมูลนำเข้า Stack "
    },
    {
      "message_id": 925,
      "agent_id": 33,
      "delay": 2.317,
      "onscreen_delay": 1.439,
      "typing_delay": 0.878,
      "typing_duration": 11,
      "wpm": 23,
      "message": "แล้วก็ผลลัพธ์นะคะ"
    },
    {
      "message_id": 926,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.912,
      "typing_delay": 0.086,
      "typing_duration": 7.975,
      "wpm": 77,
      "message": "เรามีวิธีการทำนี่ 2 ช่วงด้วยกัน ช่วงที่ 1 "
    },
    {
      "message_id": 927,
      "agent_id": 29,
      "delay": 3.974,
      "onscreen_delay": 2.918,
      "typing_delay": 1.056,
      "typing_duration": 11.001,
      "wpm": 19,
      "message": "ต้องแปลงนิพจน์"
    },
    {
      "message_id": 928,
      "agent_id": 33,
      "delay": 6.999,
      "onscreen_delay": 6.218,
      "typing_delay": 0.781,
      "typing_duration": 11.001,
      "wpm": 18,
      "message": "แบบ Postfix เ"
    },
    {
      "message_id": 929,
      "agent_id": 14,
      "delay": 7,
      "onscreen_delay": 7,
      "typing_delay": 0,
      "typing_duration": 6.826,
      "wpm": 84,
      "message": "ไปไว้ข้างหลังให้หมดก่อน เอาเครื่องหมาย"
    },
    {
      "message_id": 930,
      "agent_id": 29,
      "delay": 2.998,
      "onscreen_delay": 2.018,
      "typing_delay": 0.98,
      "typing_duration": 8.982,
      "wpm": 84,
      "message": "ไปไว้ข้างหลังให้หมดก่อนนะคะ แล้วค่อยคำนวณออกมาเป็น"
    },
    {
      "message_id": 931,
      "agent_id": 33,
      "delay": 4.981,
      "onscreen_delay": 4.116,
      "typing_delay": 0.865,
      "typing_duration": 7.368,
      "wpm": 29,
      "message": "ตัวเลข ผลลัพธ์"
    },
    {
      "message_id": 932,
      "agent_id": 14,
      "delay": 3.367,
      "onscreen_delay": 3.361,
      "typing_delay": 0.006,
      "typing_duration": 7.07,
      "wpm": 81,
      "message": "เรามี 3 ช่องนะ ทุกคนต้องตีตาราง 3 ช่อง "
    },
    {
      "message_id": 933,
      "agent_id": 29,
      "delay": 3.069,
      "onscreen_delay": 2.169,
      "typing_delay": 0.9,
      "typing_duration": 11.001,
      "wpm": 48,
      "message": "อันแรกเขียนว่า Input Stack แล้วก็ O"
    },
    {
      "message_id": 934,
      "agent_id": 33,
      "delay": 7,
      "onscreen_delay": 5.378,
      "typing_delay": 1.622,
      "typing_duration": 7.226,
      "wpm": 21,
      "message": "นะคะ ถัดมา"
    },
    {
      "message_id": 935,
      "agent_id": 14,
      "delay": 3.218,
      "onscreen_delay": 0.861,
      "typing_delay": 2.357,
      "typing_duration": 6.316,
      "wpm": 43,
      "message": "ขั้นตอนวิธีการแปลง"
    },
    {
      "message_id": 936,
      "agent_id": 29,
      "delay": 2.315,
      "onscreen_delay": 0.915,
      "typing_delay": 1.4,
      "typing_duration": 11,
      "wpm": 27,
      "message": "จาก Infix ให้เป็น Po"
    },
    {
      "message_id": 937,
      "agent_id": 33,
      "delay": 6.999,
      "onscreen_delay": 5.812,
      "typing_delay": 1.187,
      "typing_duration": 11.001,
      "wpm": 40,
      "message": "ทุกคนมีชีตที่ครูให้ แบบนี้เลย"
    },
    {
      "message_id": 938,
      "agent_id": 14,
      "delay": 6.988,
      "onscreen_delay": 6.495,
      "typing_delay": 0.493,
      "typing_duration": 9.077,
      "wpm": 74,
      "message": "ก็คือสิ่งที่อยู่บนสไลด์นะคะ ครูพรินต์ออกมาให้ "
    },
    {
      "message_id": 939,
      "agent_id": 29,
      "delay": 5.076,
      "onscreen_delay": 1.379,
      "typing_delay": 3.697,
      "typing_duration": 11.005,
      "wpm": 40,
      "message": "เรามีอยู่ทั้งหมด 7 ขั้นตอนด้ว"
    },
    {
      "message_id": 940,
      "agent_id": 33,
      "delay": 7.004,
      "onscreen_delay": 6.458,
      "typing_delay": 0.546,
      "typing_duration": 8.869,
      "wpm": 41,
      "message": "ทั้งหมด 7 ขั้นตอนด้วยกัน"
    },
    {
      "message_id": 941,
      "agent_id": 14,
      "delay": 4.868,
      "onscreen_delay": 4.868,
      "typing_delay": 0,
      "typing_duration": 6.954,
      "wpm": 80,
      "message": "มีทั้งหมด 7 ขั้นตอนด้วยกัน ครูให้เวลา "
    },
    {
      "message_id": 942,
      "agent_id": 29,
      "delay": 2.953,
      "onscreen_delay": 2.099,
      "typing_delay": 0.854,
      "typing_duration": 11.001,
      "wpm": 30,
      "message": "2 นาที อ่าน 7 ขั้นตอนน"
    },
    {
      "message_id": 943,
      "agent_id": 33,
      "delay": 6.999,
      "onscreen_delay": 6.16,
      "typing_delay": 0.839,
      "typing_duration": 10.848,
      "wpm": 33,
      "message": "นี้ในกระดาษของตัวเองสิคะ"
    },
    {
      "message_id": 944,
      "agent_id": 14,
      "delay": 6.845,
      "onscreen_delay": 6.762,
      "typing_delay": 0.083,
      "typing_duration": 6.436,
      "wpm": 98,
      "message": "ให้อ่านในกระดาษนะ หรือจะอ่านจากหน้าจอก็ได้ "
    },
    {
      "message_id": 945,
      "agent_id": 29,
      "delay": 2.843,
      "onscreen_delay": 2.269,
      "typing_delay": 0.574,
      "typing_duration": 5.296,
      "wpm": 82,
      "message": "ให้เวลา 2 นาทีอยากให้อ่านก่อน "
    },
    {
      "message_id": 946,
      "agent_id": 33,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 947,
      "agent_id": 14,
      "delay": 7.001,
      "onscreen_delay": 2.906,
      "typing_delay": 4.095,
      "typing_duration": 4.095,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 948,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 949,
      "agent_id": 33,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 950,
      "agent_id": 14,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 951,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 952,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 953,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 954,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 955,
      "agent_id": 33,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 956,
      "agent_id": 14,
      "delay": 11.005,
      "onscreen_delay": 0,
      "typing_delay": 11.005,
      "typing_duration": 11.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 957,
      "agent_id": 29,
      "delay": 11.005,
      "onscreen_delay": 0,
      "typing_delay": 11.005,
      "typing_duration": 11.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 958,
      "agent_id": 33,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 959,
      "agent_id": 14,
      "delay": 9.537,
      "onscreen_delay": 0,
      "typing_delay": 9.537,
      "typing_duration": 9.537,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 960,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 961,
      "agent_id": 33,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 962,
      "agent_id": 14,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 963,
      "agent_id": 29,
      "delay": 11.004,
      "onscreen_delay": 0,
      "typing_delay": 11.004,
      "typing_duration": 11.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 964,
      "agent_id": 33,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 965,
      "agent_id": 14,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 966,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 967,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 968,
      "agent_id": 14,
      "delay": 6.996,
      "onscreen_delay": 2.843,
      "typing_delay": 4.153,
      "typing_duration": 4.153,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 969,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 970,
      "agent_id": 33,
      "delay": 11.004,
      "onscreen_delay": 0,
      "typing_delay": 11.004,
      "typing_duration": 11.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 971,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 972,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 0,
      "typing_delay": 11,
      "typing_duration": 11,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 973,
      "agent_id": 33,
      "delay": 7.748,
      "onscreen_delay": 0,
      "typing_delay": 7.748,
      "typing_duration": 7.748,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 974,
      "agent_id": 14,
      "delay": 3.746,
      "onscreen_delay": 1.434,
      "typing_delay": 2.312,
      "typing_duration": 7.537,
      "wpm": 50,
      "message": "คราวนี้เดี๋ยวมาดูพร้อมกัน "
    },
    {
      "message_id": 975,
      "agent_id": 29,
      "delay": 3.534,
      "onscreen_delay": 3.281,
      "typing_delay": 0.253,
      "typing_duration": 10.372,
      "wpm": 61,
      "message": "เรามีอยู่ทั้งหมด 7 ขั้นตอนนะคะ เดี๋ยวเราจะ"
    },
    {
      "message_id": 976,
      "agent_id": 33,
      "delay": 6.371,
      "onscreen_delay": 5.007,
      "typing_delay": 1.364,
      "typing_duration": 11,
      "wpm": 27,
      "message": "ลองฝึกนะ แล้วก็เทียบ"
    },
    {
      "message_id": 977,
      "agent_id": 14,
      "delay": 6.999,
      "onscreen_delay": 6.999,
      "typing_delay": 0,
      "typing_duration": 6.693,
      "wpm": 22,
      "message": "ไปทีละขั้น "
    },
    {
      "message_id": 978,
      "agent_id": 29,
      "delay": 2.998,
      "onscreen_delay": 2.71,
      "typing_delay": 0.288,
      "typing_duration": 5.98,
      "wpm": 85,
      "message": "ขั้นที่ 1 นะคะ กำหนดให้ Stack ว่าง "
    },
    {
      "message_id": 979,
      "agent_id": 33,
      "delay": 1.98,
      "onscreen_delay": 1.649,
      "typing_delay": 0.331,
      "typing_duration": 8.426,
      "wpm": 41,
      "message": "ก็คือวาดตาราง 3 ช่องนี้"
    },
    {
      "message_id": 980,
      "agent_id": 14,
      "delay": 4.424,
      "onscreen_delay": 4.424,
      "typing_delay": 0,
      "typing_duration": 7.241,
      "wpm": 73,
      "message": "อันดับแรก สร้าง Stack ว่าง ก็คือวาด "
    },
    {
      "message_id": 981,
      "agent_id": 13,
      "delay": 3.239,
      "onscreen_delay": 2.649,
      "typing_delay": 0.59,
      "typing_duration": 6.322,
      "wpm": 66,
      "message": "3 ช่องนะคะ กี่แถวยังไม่รู้นะ "
    },
    {
      "message_id": 982,
      "agent_id": 29,
      "delay": 2.32,
      "onscreen_delay": 1.868,
      "typing_delay": 0.452,
      "typing_duration": 7.57,
      "wpm": 38,
      "message": "แต่มีอยู่ 3 คอลัมน์ "
    },
    {
      "message_id": 983,
      "agent_id": 13,
      "delay": 3.569,
      "onscreen_delay": 2.242,
      "typing_delay": 1.327,
      "typing_duration": 4.262,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 984,
      "agent_id": 33,
      "delay": 1.954,
      "onscreen_delay": 0,
      "typing_delay": 1.954,
      "typing_duration": 9.987,
      "wpm": 17,
      "message": "อันดับที่ 2 "
    },
    {
      "message_id": 985,
      "agent_id": 14,
      "delay": 5.985,
      "onscreen_delay": 5.985,
      "typing_delay": 0,
      "typing_duration": 7.073,
      "wpm": 59,
      "message": "อ่านข้อมูลจากซ้ายไปขวา ก็คือ"
    },
    {
      "message_id": 986,
      "agent_id": 29,
      "delay": 3.072,
      "onscreen_delay": 2.857,
      "typing_delay": 0.215,
      "typing_duration": 9.517,
      "wpm": 49,
      "message": "อ่านข้อมูลทีละตัวใช่ไหมคะ เลข 5 "
    },
    {
      "message_id": 987,
      "agent_id": 13,
      "delay": 5.514,
      "onscreen_delay": 5.5,
      "typing_delay": 0.014,
      "typing_duration": 13.63,
      "wpm": 50,
      "message": "เครื่องหมายบวก เลข เครื่องหมายคูณ แล้วก็เลข 2 "
    },
    {
      "message_id": 988,
      "agent_id": 33,
      "delay": 9.628,
      "onscreen_delay": 8.17,
      "typing_delay": 1.458,
      "typing_duration": 13.212,
      "wpm": 28,
      "message": "อันนี้คืออ่านจากซ้ายไปขวา"
    },
    {
      "message_id": 989,
      "agent_id": 14,
      "delay": 9.205,
      "onscreen_delay": 9.139,
      "typing_delay": 0.066,
      "typing_duration": 6.892,
      "wpm": 76,
      "message": "ทีละตัวนะคะ แล้วก็อ่านเข้ามาทีละตัว "
    },
    {
      "message_id": 990,
      "agent_id": 29,
      "delay": 5.204,
      "onscreen_delay": 4.352,
      "typing_delay": 0.852,
      "typing_duration": 4.478,
      "wpm": 70,
      "message": "สมมติครูใช้ตัวเลขนะคะ "
    },
    {
      "message_id": 991,
      "agent_id": 13,
      "delay": 1.203,
      "onscreen_delay": 1.12,
      "typing_delay": 0.083,
      "typing_duration": 4.058,
      "wpm": 55,
      "message": "ตัวเลขนะคะ เช่น "
    },
    {
      "message_id": 992,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 993,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 9.877,
      "typing_delay": 1.122,
      "typing_duration": 7.302,
      "wpm": 72,
      "message": "อ่านข้อมูลจากซ้ายไปขวา ตัวแรก ก็คือ "
    },
    {
      "message_id": 994,
      "agent_id": 29,
      "delay": 6.994,
      "onscreen_delay": 6.578,
      "typing_delay": 0.416,
      "typing_duration": 14.207,
      "wpm": 38,
      "message": "5 ใช่ไหม อ่านจากซ้าย ซ้ายก็คือตัวแรก"
    },
    {
      "message_id": 995,
      "agent_id": 13,
      "delay": 10.206,
      "onscreen_delay": 9.41,
      "typing_delay": 0.796,
      "typing_duration": 9.393,
      "wpm": 34,
      "message": "นะคะ ก็คือเลข 5 ถัดมา "
    },
    {
      "message_id": 996,
      "agent_id": 33,
      "delay": 6.204,
      "onscreen_delay": 5.334,
      "typing_delay": 0.87,
      "typing_duration": 13.014,
      "wpm": 31,
      "message": "ถัดมาขั้นถัดมาเป็นขั้นที่ 3 "
    },
    {
      "message_id": 997,
      "agent_id": 14,
      "delay": 9.013,
      "onscreen_delay": 9.013,
      "typing_delay": 0,
      "typing_duration": 5.741,
      "wpm": 57,
      "message": "ถ้าข้อมูลที่อ่านเข้ามา"
    },
    {
      "message_id": 998,
      "agent_id": 29,
      "delay": 5.012,
      "onscreen_delay": 4.93,
      "typing_delay": 0.082,
      "typing_duration": 6.162,
      "wpm": 37,
      "message": "เป็นตัวเลข เช่น "
    },
    {
      "message_id": 999,
      "agent_id": 13,
      "delay": 2.161,
      "onscreen_delay": 1.661,
      "typing_delay": 0.5,
      "typing_duration": 10.917,
      "wpm": 48,
      "message": "เลข 5 ใช่ไหม ข้อมูลที่เราอ่านเข้ามา"
    },
    {
      "message_id": 1000,
      "agent_id": 33,
      "delay": 6.914,
      "onscreen_delay": 6.361,
      "typing_delay": 0.553,
      "typing_duration": 10.936,
      "wpm": 41,
      "message": "ทันเป็นตัวเลขใช่ไหม ใช่ เอามัน"
    },
    {
      "message_id": 1001,
      "agent_id": 14,
      "delay": 6.935,
      "onscreen_delay": 6.935,
      "typing_delay": 0,
      "typing_duration": 7.159,
      "wpm": 90,
      "message": "ไปไว้ที่ไหน เอามันไปไว้ที่ช่องผลลัพธ์ ก็คือ"
    },
    {
      "message_id": 1002,
      "agent_id": 29,
      "delay": 3.158,
      "onscreen_delay": 2.342,
      "typing_delay": 0.816,
      "typing_duration": 10.97,
      "wpm": 15,
      "message": "ช่องสุดท้าย "
    },
    {
      "message_id": 1003,
      "agent_id": 13,
      "delay": 6.968,
      "onscreen_delay": 6.218,
      "typing_delay": 0.75,
      "typing_duration": 11.742,
      "wpm": 41,
      "message": "ก็คือช่องนี้ใช่ไหมคะ ช่อง Output "
    },
    {
      "message_id": 1004,
      "agent_id": 33,
      "delay": 7.741,
      "onscreen_delay": 6.739,
      "typing_delay": 1.002,
      "typing_duration": 14.547,
      "wpm": 14,
      "message": "ถัดมา ถ้าตัวที"
    },
    {
      "message_id": 1005,
      "agent_id": 14,
      "delay": 10.546,
      "onscreen_delay": 10.546,
      "typing_delay": 0,
      "typing_duration": 5.819,
      "wpm": 101,
      "message": "เราอ่านเข้ามานี่มันไม่ใช่ตัวเลข แสดงว่า"
    },
    {
      "message_id": 1006,
      "agent_id": 29,
      "delay": 6.544,
      "onscreen_delay": 6.154,
      "typing_delay": 0.39,
      "typing_duration": 8.318,
      "wpm": 63,
      "message": "มันต้องเป็นเครื่องหมายทางคณิตศาสตร์"
    },
    {
      "message_id": 1007,
      "agent_id": 13,
      "delay": 4.317,
      "onscreen_delay": 3.903,
      "typing_delay": 0.414,
      "typing_duration": 11.456,
      "wpm": 56,
      "message": "อะไรสักอย่างหนึ่งนี่ล่ะ เช่น เครื่องหมายบวก "
    },
    {
      "message_id": 1008,
      "agent_id": 33,
      "delay": 7.455,
      "onscreen_delay": 6.634,
      "typing_delay": 0.821,
      "typing_duration": 15.003,
      "wpm": 37,
      "message": "เครื่องหมายบวกใช่ไหมคะ เครื่องหมายบวก"
    },
    {
      "message_id": 1009,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 9.616,
      "typing_delay": 1.384,
      "typing_duration": 5.651,
      "wpm": 72,
      "message": "เราอ่านเครื่องหมายบวกเข้ามา "
    },
    {
      "message_id": 1010,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 6.703,
      "typing_delay": 0.296,
      "typing_duration": 8.775,
      "wpm": 43,
      "message": "แล้วเขาให้เราเช็กก่อน ว่า"
    },
    {
      "message_id": 1011,
      "agent_id": 13,
      "delay": 4.772,
      "onscreen_delay": 4.538,
      "typing_delay": 0.234,
      "typing_duration": 11.568,
      "wpm": 65,
      "message": "แล้วใน Stack มันมีค่าอยู่หรือเปล่า Stack ในช่องนี่ "
    },
    {
      "message_id": 1012,
      "agent_id": 33,
      "delay": 7.563,
      "onscreen_delay": 6.458,
      "typing_delay": 1.105,
      "typing_duration": 10.697,
      "wpm": 35,
      "message": "ช่องนี้ ช่องที่ 2 นี่ มัน"
    },
    {
      "message_id": 1013,
      "agent_id": 14,
      "delay": 6.696,
      "onscreen_delay": 6.67,
      "typing_delay": 0.026,
      "typing_duration": 6.888,
      "wpm": 74,
      "message": "มีค่าอยู่ไหม ถ้ามันไม่มีค่าอยู่เลย"
    },
    {
      "message_id": 1014,
      "agent_id": 29,
      "delay": 2.886,
      "onscreen_delay": 2.137,
      "typing_delay": 0.749,
      "typing_duration": 5.608,
      "wpm": 59,
      "message": "ก็หย่อนมันลงไปใน Stack "
    },
    {
      "message_id": 1015,
      "agent_id": 13,
      "delay": 1.878,
      "onscreen_delay": 0,
      "typing_delay": 1.878,
      "typing_duration": 7.718,
      "wpm": 51,
      "message": "แต่ถ้าใน Stack มันมีข้อมูล"
    },
    {
      "message_id": 1016,
      "agent_id": 33,
      "delay": 3.715,
      "onscreen_delay": 3.156,
      "typing_delay": 0.559,
      "typing_duration": 12.898,
      "wpm": 27,
      "message": "อยู่แล้ว เราจะต้องทำการ"
    },
    {
      "message_id": 1017,
      "agent_id": 14,
      "delay": 8.896,
      "onscreen_delay": 8.896,
      "typing_delay": 0,
      "typing_duration": 7.672,
      "wpm": 49,
      "message": "เปรียบเทียบก่อน ว่าข้อมูล"
    },
    {
      "message_id": 1018,
      "agent_id": 29,
      "delay": 4.895,
      "onscreen_delay": 4.547,
      "typing_delay": 0.348,
      "typing_duration": 6.611,
      "wpm": 43,
      "message": "ที่เราอ่านเข้ามานี่"
    },
    {
      "message_id": 1019,
      "agent_id": 13,
      "delay": 2.61,
      "onscreen_delay": 2.61,
      "typing_delay": 0,
      "typing_duration": 8.078,
      "wpm": 74,
      "message": "มันมีค่ามากกว่า หรือน้อยกว่าตัวที่อยู่ใน"
    },
    {
      "message_id": 1020,
      "agent_id": 33,
      "delay": 4.073,
      "onscreen_delay": 2.931,
      "typing_delay": 1.142,
      "typing_duration": 6.145,
      "wpm": 12,
      "message": "Stack "
    },
    {
      "message_id": 1021,
      "agent_id": 14,
      "delay": 2.143,
      "onscreen_delay": 2.143,
      "typing_delay": 0,
      "typing_duration": 6.654,
      "wpm": 29,
      "message": "ถ้ามันมากกว่า "
    },
    {
      "message_id": 1022,
      "agent_id": 29,
      "delay": 2.653,
      "onscreen_delay": 1.538,
      "typing_delay": 1.115,
      "typing_duration": 8.165,
      "wpm": 64,
      "message": "ถ้ากรณีที่ตัวที่เราอ่านมีค่ามากกว่า"
    },
    {
      "message_id": 1023,
      "agent_id": 13,
      "delay": 4.163,
      "onscreen_delay": 2.679,
      "typing_delay": 1.484,
      "typing_duration": 8.773,
      "wpm": 44,
      "message": "ก็หย่อนลงไปใน Stack ได้เลย "
    },
    {
      "message_id": 1024,
      "agent_id": 33,
      "delay": 4.772,
      "onscreen_delay": 1.746,
      "typing_delay": 3.026,
      "typing_duration": 13.419,
      "wpm": 11,
      "message": "ถ้าสิ่งที่"
    },
    {
      "message_id": 1025,
      "agent_id": 14,
      "delay": 9.417,
      "onscreen_delay": 9.417,
      "typing_delay": 0,
      "typing_duration": 7.04,
      "wpm": 77,
      "message": "เราอ่านเข้ามามันมีค่าน้อยกว่าสิ่งที่"
    },
    {
      "message_id": 1026,
      "agent_id": 29,
      "delay": 5.414,
      "onscreen_delay": 5.267,
      "typing_delay": 0.147,
      "typing_duration": 4.106,
      "wpm": 44,
      "message": "อยู่ใน Stack "
    },
    {
      "message_id": 1027,
      "agent_id": 13,
      "delay": 1.412,
      "onscreen_delay": 0.135,
      "typing_delay": 1.277,
      "typing_duration": 6.965,
      "wpm": 54,
      "message": "ให้เอาเครื่องหมายใน Stack "
    },
    {
      "message_id": 1028,
      "agent_id": 33,
      "delay": 2.963,
      "onscreen_delay": 2.251,
      "typing_delay": 0.712,
      "typing_duration": 14.168,
      "wpm": 19,
      "message": "ออกไปไว้ที่ผลลัพธ์"
    },
    {
      "message_id": 1029,
      "agent_id": 14,
      "delay": 10.167,
      "onscreen_delay": 10.167,
      "typing_delay": 0,
      "typing_duration": 9.91,
      "wpm": 82,
      "message": "แล้วเอาเครื่องหมายตัวที่เราอ่านเข้ามาหย่อนลงไปใน Stack "
    },
    {
      "message_id": 1030,
      "agent_id": 29,
      "delay": 6.166,
      "onscreen_delay": 5.707,
      "typing_delay": 0.459,
      "typing_duration": 4.312,
      "wpm": 14,
      "message": "โอเค "
    },
    {
      "message_id": 1031,
      "agent_id": 13,
      "delay": 5.882,
      "onscreen_delay": 0,
      "typing_delay": 5.882,
      "typing_duration": 6.6,
      "wpm": 7,
      "message": "ถ้า"
    },
    {
      "message_id": 1032,
      "agent_id": 33,
      "delay": 2.598,
      "onscreen_delay": 2.002,
      "typing_delay": 0.596,
      "typing_duration": 15,
      "wpm": 18,
      "message": "เราอ่านจนครบข้อมูล"
    },
    {
      "message_id": 1033,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 10.997,
      "typing_delay": 0,
      "typing_duration": 6.721,
      "wpm": 83,
      "message": "ทุกตัวแล้ว เรายังมีข้อมูลอยู่ใน Stack "
    },
    {
      "message_id": 1034,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.356,
      "typing_delay": 0.641,
      "typing_duration": 8.479,
      "wpm": 62,
      "message": "เราก็ดึงมันออกมา ก็คือ Pop มันออกมา"
    },
    {
      "message_id": 1035,
      "agent_id": 13,
      "delay": 4.477,
      "onscreen_delay": 4.019,
      "typing_delay": 0.458,
      "typing_duration": 6.905,
      "wpm": 24,
      "message": "เป็นผลลัพธ์ "
    },
    {
      "message_id": 1036,
      "agent_id": 33,
      "delay": 2.903,
      "onscreen_delay": 1.138,
      "typing_delay": 1.765,
      "typing_duration": 15.001,
      "wpm": 37,
      "message": "มาดูตัวอย่างนะ ทุกคนถือ... ดุตัวอย่าง"
    },
    {
      "message_id": 1037,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.509,
      "typing_delay": 0.49,
      "typing_duration": 4.871,
      "wpm": 68,
      "message": "ที่เป็นขั้นตอนด้วยนะคะ "
    },
    {
      "message_id": 1038,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 2.839,
      "typing_delay": 4.159,
      "typing_duration": 4.159,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1039,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1040,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.858,
      "typing_delay": 4.141,
      "typing_duration": 4.141,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1041,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 5.755,
      "typing_delay": 1.243,
      "typing_duration": 4.157,
      "wpm": 14,
      "message": "โอเค "
    },
    {
      "message_id": 1042,
      "agent_id": 29,
      "delay": 3.649,
      "onscreen_delay": 0,
      "typing_delay": 3.649,
      "typing_duration": 6.078,
      "wpm": 12,
      "message": "โจทย์"
    },
    {
      "message_id": 1043,
      "agent_id": 13,
      "delay": 2.076,
      "onscreen_delay": 1.091,
      "typing_delay": 0.985,
      "typing_duration": 11.583,
      "wpm": 39,
      "message": "ที่ครูให้ ทุกคนดูที่หน้าจอนะคะ "
    },
    {
      "message_id": 1044,
      "agent_id": 33,
      "delay": 7.581,
      "onscreen_delay": 3.891,
      "typing_delay": 3.69,
      "typing_duration": 12.099,
      "wpm": 12,
      "message": "ครูมีโจทย์"
    },
    {
      "message_id": 1045,
      "agent_id": 14,
      "delay": 8.092,
      "onscreen_delay": 8.077,
      "typing_delay": 0.015,
      "typing_duration": 7.636,
      "wpm": 41,
      "message": "มาให้นะคะ ก็คือ 5 + 2 "
    },
    {
      "message_id": 1046,
      "agent_id": 29,
      "delay": 4.09,
      "onscreen_delay": 3.727,
      "typing_delay": 0.363,
      "typing_duration": 14.367,
      "wpm": 3,
      "message": "x 2 "
    },
    {
      "message_id": 1047,
      "agent_id": 13,
      "delay": 10.363,
      "onscreen_delay": 8.566,
      "typing_delay": 1.797,
      "typing_duration": 11.647,
      "wpm": 28,
      "message": "อันดับแรกครูต้องทำอะไร "
    },
    {
      "message_id": 1048,
      "agent_id": 33,
      "delay": 7.643,
      "onscreen_delay": 7.01,
      "typing_delay": 0.633,
      "typing_duration": 13.524,
      "wpm": 27,
      "message": "อันดับแรกวาดตาราง 3 ช่อง"
    },
    {
      "message_id": 1049,
      "agent_id": 14,
      "delay": 9.522,
      "onscreen_delay": 9.522,
      "typing_delay": 0,
      "typing_duration": 6.508,
      "wpm": 55,
      "message": "วาดตาราง 3 ช่อง จำนวนแถว"
    },
    {
      "message_id": 1050,
      "agent_id": 29,
      "delay": 5.516,
      "onscreen_delay": 5.355,
      "typing_delay": 0.161,
      "typing_duration": 10.784,
      "wpm": 43,
      "message": "ก็เอาข้อมูลตัวเลขกับเครื่องหมาย"
    },
    {
      "message_id": 1051,
      "agent_id": 13,
      "delay": 6.782,
      "onscreen_delay": 5.564,
      "typing_delay": 1.218,
      "typing_duration": 6.057,
      "wpm": 42,
      "message": "มาใส่ทีละบรรทัด 5 "
    },
    {
      "message_id": 1052,
      "agent_id": 33,
      "delay": 2.781,
      "onscreen_delay": 2.279,
      "typing_delay": 0.502,
      "typing_duration": 15,
      "wpm": 24,
      "message": "ที่ 1 ถูกไหมคะ บวกบรรทัด"
    },
    {
      "message_id": 1053,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 10.498,
      "typing_delay": 0.499,
      "typing_duration": 9.036,
      "wpm": 61,
      "message": "ใส่เลข 2 บรรทัดถัดมาใส่เครื่องหมายคูณ "
    },
    {
      "message_id": 1054,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.78,
      "typing_delay": 0.217,
      "typing_duration": 7.465,
      "wpm": 28,
      "message": "แล้วก็ใส่เลข 2 "
    },
    {
      "message_id": 1055,
      "agent_id": 13,
      "delay": 3.463,
      "onscreen_delay": 3.055,
      "typing_delay": 0.408,
      "typing_duration": 11.867,
      "wpm": 57,
      "message": "เราก็จะวาดตารางเรียบร้อยแล้วใช่ไหมคะ จำนวนแถว"
    },
    {
      "message_id": 1056,
      "agent_id": 33,
      "delay": 7.866,
      "onscreen_delay": 6.609,
      "typing_delay": 1.257,
      "typing_duration": 14.541,
      "wpm": 23,
      "message": "ขึ้นอยู่กับจำนวนข้อมูล"
    },
    {
      "message_id": 1057,
      "agent_id": 14,
      "delay": 10.538,
      "onscreen_delay": 10.494,
      "typing_delay": 0.044,
      "typing_duration": 6.023,
      "wpm": 72,
      "message": "ในโจทย์ว่ามีกี่ตัว ก็สร้างแถว"
    },
    {
      "message_id": 1058,
      "agent_id": 29,
      "delay": 6.537,
      "onscreen_delay": 5.201,
      "typing_delay": 1.336,
      "typing_duration": 6.73,
      "wpm": 33,
      "message": "ใส่ข้อมูลให้เลย "
    },
    {
      "message_id": 1059,
      "agent_id": 13,
      "delay": 4.28,
      "onscreen_delay": 0,
      "typing_delay": 4.28,
      "typing_duration": 7.646,
      "wpm": 16,
      "message": "เรากำหนด "
    },
    {
      "message_id": 1060,
      "agent_id": 33,
      "delay": 3.645,
      "onscreen_delay": 2.477,
      "typing_delay": 1.168,
      "typing_duration": 9.978,
      "wpm": 32,
      "message": "tack ว่างแล้วใช่ไหมคะ"
    },
    {
      "message_id": 1061,
      "agent_id": 14,
      "delay": 5.977,
      "onscreen_delay": 5.865,
      "typing_delay": 0.112,
      "typing_duration": 5.746,
      "wpm": 70,
      "message": "ถัดมา ต้องอ่านข้อมูลทีละตัว "
    },
    {
      "message_id": 1062,
      "agent_id": 29,
      "delay": 1.976,
      "onscreen_delay": 1.406,
      "typing_delay": 0.57,
      "typing_duration": 7.223,
      "wpm": 64,
      "message": "เราต้องอ่านข้อมูลทีละตัวจากซ้าย"
    },
    {
      "message_id": 1063,
      "agent_id": 13,
      "delay": 3.221,
      "onscreen_delay": 3.136,
      "typing_delay": 0.085,
      "typing_duration": 8.272,
      "wpm": 38,
      "message": "ไปขวา ตัวแรกคืออะไรคะ "
    },
    {
      "message_id": 1064,
      "agent_id": 33,
      "delay": 4.257,
      "onscreen_delay": 3.24,
      "typing_delay": 1.017,
      "typing_duration": 14.44,
      "wpm": 31,
      "message": "คือ 5 ใช่ไหม ครูเขียนเรียงแล้ว"
    },
    {
      "message_id": 1065,
      "agent_id": 14,
      "delay": 10.438,
      "onscreen_delay": 9.948,
      "typing_delay": 0.49,
      "typing_duration": 11.55,
      "wpm": 39,
      "message": "5 บวก... มี 2 มีคูณ แล้วก็มี 2 "
    },
    {
      "message_id": 1066,
      "agent_id": 29,
      "delay": 7.549,
      "onscreen_delay": 6.85,
      "typing_delay": 0.699,
      "typing_duration": 7.26,
      "wpm": 76,
      "message": "อันนี้คือข้อมูลที่เราอ่านจากซ้ายไปขวา "
    },
    {
      "message_id": 1067,
      "agent_id": 13,
      "delay": 3.542,
      "onscreen_delay": 2.375,
      "typing_delay": 1.167,
      "typing_duration": 8.983,
      "wpm": 42,
      "message": "ตัวแรก เป็นตัวเลขใช่ไหมคะ "
    },
    {
      "message_id": 1068,
      "agent_id": 33,
      "delay": 4.975,
      "onscreen_delay": 3.511,
      "typing_delay": 1.464,
      "typing_duration": 15,
      "wpm": 32,
      "message": "มันเป็นตัวเลขแล้วมันตรงกับตัวไหน"
    },
    {
      "message_id": 1069,
      "agent_id": 14,
      "delay": 10.994,
      "onscreen_delay": 10.685,
      "typing_delay": 0.309,
      "typing_duration": 6.409,
      "wpm": 30,
      "message": "ในขั้นตอน ข้อ "
    },
    {
      "message_id": 1070,
      "agent_id": 29,
      "delay": 6.992,
      "onscreen_delay": 6.581,
      "typing_delay": 0.411,
      "typing_duration": 5.355,
      "wpm": 67,
      "message": "3 ที่บอกว่าถ้าเป็นตัวเลข"
    },
    {
      "message_id": 1071,
      "agent_id": 13,
      "delay": 2.991,
      "onscreen_delay": 2.683,
      "typing_delay": 0.308,
      "typing_duration": 10.966,
      "wpm": 40,
      "message": "ให้เอาไปไว้ที่ไหน เอาไปไว้ที่ "
    },
    {
      "message_id": 1072,
      "agent_id": 33,
      "delay": 6.965,
      "onscreen_delay": 5.41,
      "typing_delay": 1.555,
      "typing_duration": 14.523,
      "wpm": 15,
      "message": "ผลลัพธ์ ถ้าเป็น"
    },
    {
      "message_id": 1073,
      "agent_id": 14,
      "delay": 10.522,
      "onscreen_delay": 10.522,
      "typing_delay": 0,
      "typing_duration": 4.554,
      "wpm": 102,
      "message": "ตัวเลข เอาไปไว้ที่ผลลัพธ์ได้เลย "
    },
    {
      "message_id": 1074,
      "agent_id": 29,
      "delay": 6.521,
      "onscreen_delay": 4.703,
      "typing_delay": 1.818,
      "typing_duration": 9.486,
      "wpm": 8,
      "message": "ถัดมา"
    },
    {
      "message_id": 1075,
      "agent_id": 13,
      "delay": 5.485,
      "onscreen_delay": 5.384,
      "typing_delay": 0.101,
      "typing_duration": 8.849,
      "wpm": 66,
      "message": "เจอเครื่องหมายบวกนะคะ เจอเครื่องหมายบวก "
    },
    {
      "message_id": 1076,
      "agent_id": 33,
      "delay": 4.847,
      "onscreen_delay": 3.956,
      "typing_delay": 0.891,
      "typing_duration": 14.366,
      "wpm": 27,
      "message": "ตอนนี้ใน Stack มันไม่มีค่า"
    },
    {
      "message_id": 1077,
      "agent_id": 14,
      "delay": 10.365,
      "onscreen_delay": 10.146,
      "typing_delay": 0.219,
      "typing_duration": 6.38,
      "wpm": 45,
      "message": "อะไรเลย ทำอย่างไรคะ "
    },
    {
      "message_id": 1078,
      "agent_id": 29,
      "delay": 6.364,
      "onscreen_delay": 5.33,
      "typing_delay": 1.034,
      "typing_duration": 5.858,
      "wpm": 74,
      "message": "ก็ใส่ได้เลย ใส่เครื่องหมายบวก"
    },
    {
      "message_id": 1079,
      "agent_id": 13,
      "delay": 2.363,
      "onscreen_delay": 2.363,
      "typing_delay": 0,
      "typing_duration": 9.07,
      "wpm": 69,
      "message": "ลงมาได้เลย ถ้ามันเป็น Stack ว่าง เห็นไหมคะ"
    },
    {
      "message_id": 1080,
      "agent_id": 33,
      "delay": 5.069,
      "onscreen_delay": 4.368,
      "typing_delay": 0.701,
      "typing_duration": 15.001,
      "wpm": 38,
      "message": "ตัวบนเป็น Stack ว่าง เราก็เอาใส่ได้เลย"
    },
    {
      "message_id": 1081,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 9.391,
      "typing_delay": 1.609,
      "typing_duration": 6.475,
      "wpm": 74,
      "message": "แล้วก็เขียน 5 ลงมาเหมือนเดิมนะคะ "
    },
    {
      "message_id": 1082,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 4.976,
      "typing_delay": 2.022,
      "typing_duration": 5.636,
      "wpm": 56,
      "message": "ยก 5 ลงมาเหมือนเดิมนะ "
    },
    {
      "message_id": 1083,
      "agent_id": 13,
      "delay": 3.739,
      "onscreen_delay": 0,
      "typing_delay": 3.739,
      "typing_duration": 8.408,
      "wpm": 34,
      "message": "ดู ดูพร้อมครูก่อนนะ "
    },
    {
      "message_id": 1084,
      "agent_id": 33,
      "delay": 4.407,
      "onscreen_delay": 3.085,
      "typing_delay": 1.322,
      "typing_duration": 12.976,
      "wpm": 14,
      "message": "เดี๋ยวครู..."
    },
    {
      "message_id": 1085,
      "agent_id": 14,
      "delay": 8.973,
      "onscreen_delay": 6.497,
      "typing_delay": 2.476,
      "typing_duration": 9.914,
      "wpm": 14,
      "message": "จะถ่ายรูป"
    },
    {
      "message_id": 1086,
      "agent_id": 29,
      "delay": 5.913,
      "onscreen_delay": 4.281,
      "typing_delay": 1.632,
      "typing_duration": 8.743,
      "wpm": 36,
      "message": "เอาขึ้น Classroom ให้ "
    },
    {
      "message_id": 1087,
      "agent_id": 13,
      "delay": 4.742,
      "onscreen_delay": 4.026,
      "typing_delay": 0.716,
      "typing_duration": 11.585,
      "wpm": 49,
      "message": "ถัดมา เลข 2 ใช่ไหมคะ เลข 2 มันเป็นอะไร "
    },
    {
      "message_id": 1088,
      "agent_id": 33,
      "delay": 7.582,
      "onscreen_delay": 6.498,
      "typing_delay": 1.084,
      "typing_duration": 15.001,
      "wpm": 36,
      "message": "ตัวเลข เพราะฉะนั้นต้องเอาไปไว้ที่ไหน"
    },
    {
      "message_id": 1089,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 10.454,
      "typing_delay": 0.544,
      "typing_duration": 7.34,
      "wpm": 31,
      "message": "ไปไว้ที่ผลลัพธ์"
    },
    {
      "message_id": 1090,
      "agent_id": 29,
      "delay": 6.993,
      "onscreen_delay": 6.859,
      "typing_delay": 0.134,
      "typing_duration": 4.819,
      "wpm": 72,
      "message": "ตรงกับข้อ 3 ในขั้นตอนนะ "
    },
    {
      "message_id": 1091,
      "agent_id": 13,
      "delay": 2.992,
      "onscreen_delay": 1.905,
      "typing_delay": 1.087,
      "typing_duration": 10.013,
      "wpm": 51,
      "message": "เอา 2 มาไว้ที่ Output แต่ต้องเขียน"
    },
    {
      "message_id": 1092,
      "agent_id": 33,
      "delay": 6.012,
      "onscreen_delay": 5.376,
      "typing_delay": 0.636,
      "typing_duration": 13.411,
      "wpm": 29,
      "message": "หลัง ก็คือเขียนต่อจากเลข 5 "
    },
    {
      "message_id": 1093,
      "agent_id": 14,
      "delay": 9.405,
      "onscreen_delay": 9.322,
      "typing_delay": 0.083,
      "typing_duration": 4.142,
      "wpm": 14,
      "message": "นะคะ "
    },
    {
      "message_id": 1094,
      "agent_id": 29,
      "delay": 8.971,
      "onscreen_delay": 0,
      "typing_delay": 8.971,
      "typing_duration": 8.971,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1095,
      "agent_id": 13,
      "delay": 4.969,
      "onscreen_delay": 0.779,
      "typing_delay": 4.19,
      "typing_duration": 8.34,
      "wpm": 9,
      "message": "ถัดมา "
    },
    {
      "message_id": 1096,
      "agent_id": 33,
      "delay": 4.337,
      "onscreen_delay": 2.435,
      "typing_delay": 1.902,
      "typing_duration": 13.423,
      "wpm": 29,
      "message": "ยกเครื่องหมายบวกลงมาด้วยนะ"
    },
    {
      "message_id": 1097,
      "agent_id": 14,
      "delay": 9.42,
      "onscreen_delay": 8.241,
      "typing_delay": 1.179,
      "typing_duration": 9.287,
      "wpm": 78,
      "message": "เพราะมันอยู่ใน Stack นะคะ เรายังไม่ได้เอาอะไรออก "
    },
    {
      "message_id": 1098,
      "agent_id": 29,
      "delay": 5.419,
      "onscreen_delay": 4.363,
      "typing_delay": 1.056,
      "typing_duration": 4.489,
      "wpm": 67,
      "message": "หรือเอาอะไรเข้าเพิ่ม "
    },
    {
      "message_id": 1099,
      "agent_id": 13,
      "delay": 1.418,
      "onscreen_delay": 0.645,
      "typing_delay": 0.773,
      "typing_duration": 6.244,
      "wpm": 58,
      "message": "ถัดมา เป็นเครื่องหมายคูณ "
    },
    {
      "message_id": 1100,
      "agent_id": 33,
      "delay": 3.593,
      "onscreen_delay": 0,
      "typing_delay": 3.593,
      "typing_duration": 10.407,
      "wpm": 12,
      "message": "ใน Stack"
    },
    {
      "message_id": 1101,
      "agent_id": 14,
      "delay": 6.398,
      "onscreen_delay": 6.058,
      "typing_delay": 0.34,
      "typing_duration": 6.574,
      "wpm": 71,
      "message": "เรามีเครื่องหมายบวกอยู่แล้วนะคะ "
    },
    {
      "message_id": 1102,
      "agent_id": 29,
      "delay": 2.573,
      "onscreen_delay": 2.402,
      "typing_delay": 0.171,
      "typing_duration": 7.612,
      "wpm": 77,
      "message": "ใน Stack นี่เรามีเครื่องหมายบวกอยู่แล้ว "
    },
    {
      "message_id": 1103,
      "agent_id": 13,
      "delay": 3.611,
      "onscreen_delay": 3.553,
      "typing_delay": 0.058,
      "typing_duration": 6.934,
      "wpm": 67,
      "message": "ตัวที่เราอ่านเข้ามา คือ คูณ เรา"
    },
    {
      "message_id": 1104,
      "agent_id": 33,
      "delay": 2.932,
      "onscreen_delay": 2.209,
      "typing_delay": 0.723,
      "typing_duration": 10.771,
      "wpm": 31,
      "message": "จะต้องทำการเปรียบเทียบ"
    },
    {
      "message_id": 1105,
      "agent_id": 14,
      "delay": 6.77,
      "onscreen_delay": 6.32,
      "typing_delay": 0.45,
      "typing_duration": 8.417,
      "wpm": 55,
      "message": "ค่าที่เราอ่านเข้ามาใหม่ คือ คูณ "
    },
    {
      "message_id": 1106,
      "agent_id": 29,
      "delay": 4.416,
      "onscreen_delay": 3.097,
      "typing_delay": 1.319,
      "typing_duration": 6.615,
      "wpm": 57,
      "message": "กับตัวเดิมที่อยู่ใน Stack "
    },
    {
      "message_id": 1107,
      "agent_id": 13,
      "delay": 2.613,
      "onscreen_delay": 2.379,
      "typing_delay": 0.234,
      "typing_duration": 7.215,
      "wpm": 64,
      "message": "คือ บวก เราเปรียบเทียบ ถูกไหมคะ "
    },
    {
      "message_id": 1108,
      "agent_id": 33,
      "delay": 3.214,
      "onscreen_delay": 2.365,
      "typing_delay": 0.849,
      "typing_duration": 15,
      "wpm": 34,
      "message": "กับตัวบนสุดคือเครื่องหมายบวก สิ่งท"
    },
    {
      "message_id": 1109,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 5.341,
      "wpm": 45,
      "message": "คืออะไร คูณมีค่า"
    },
    {
      "message_id": 1110,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 6.627,
      "typing_delay": 0.369,
      "typing_duration": 5.927,
      "wpm": 58,
      "message": "มากกว่าบวก ให้ทำอย่างไร "
    },
    {
      "message_id": 1111,
      "agent_id": 13,
      "delay": 2.994,
      "onscreen_delay": 2.681,
      "typing_delay": 0.313,
      "typing_duration": 7.442,
      "wpm": 46,
      "message": "ก็เอาคูณหย่อนลงมาได้เลย "
    },
    {
      "message_id": 1112,
      "agent_id": 33,
      "delay": 3.44,
      "onscreen_delay": 0.315,
      "typing_delay": 3.125,
      "typing_duration": 8.844,
      "wpm": 10,
      "message": "ใส่คูณ"
    },
    {
      "message_id": 1113,
      "agent_id": 14,
      "delay": 4.843,
      "onscreen_delay": 4.843,
      "typing_delay": 0,
      "typing_duration": 8.124,
      "wpm": 87,
      "message": "ลงไปใน Stack ได้เลยนะคะ ผลลัพธ์ก็เป็นเหมือนเดิม "
    },
    {
      "message_id": 1114,
      "agent_id": 29,
      "delay": 4.122,
      "onscreen_delay": 2.786,
      "typing_delay": 1.336,
      "typing_duration": 5.28,
      "wpm": 45,
      "message": "ตัวถัดมาคือเลข 2 "
    },
    {
      "message_id": 1115,
      "agent_id": 13,
      "delay": 1.278,
      "onscreen_delay": 0.707,
      "typing_delay": 0.571,
      "typing_duration": 8.116,
      "wpm": 68,
      "message": "เลข 2 มันเป็นตัวเลขใช่ไหม เอามาไว้ที่"
    },
    {
      "message_id": 1116,
      "agent_id": 33,
      "delay": 4.115,
      "onscreen_delay": 3.332,
      "typing_delay": 0.783,
      "typing_duration": 14.503,
      "wpm": 29,
      "message": "ผลลัพธ์นะคะ เอามาต่อด้านหลัง"
    },
    {
      "message_id": 1117,
      "agent_id": 14,
      "delay": 10.497,
      "onscreen_delay": 7.936,
      "typing_delay": 2.561,
      "typing_duration": 5.753,
      "wpm": 44,
      "message": "เสร็จแล้วเราพบว่า"
    },
    {
      "message_id": 1118,
      "agent_id": 29,
      "delay": 6.495,
      "onscreen_delay": 5.771,
      "typing_delay": 0.724,
      "typing_duration": 6.429,
      "wpm": 82,
      "message": "ไม่มีข้อมูลแล้ว ข้อมูลมันหมดแล้วน่ะ "
    },
    {
      "message_id": 1119,
      "agent_id": 13,
      "delay": 2.491,
      "onscreen_delay": 2.445,
      "typing_delay": 0.046,
      "typing_duration": 11.589,
      "wpm": 57,
      "message": "ข้อมูลมันหมดแล้วนะคะ แต่สิ่งที่เราเจอคืออะไร "
    },
    {
      "message_id": 1120,
      "agent_id": 33,
      "delay": 7.587,
      "onscreen_delay": 7.041,
      "typing_delay": 0.546,
      "typing_duration": 14.266,
      "wpm": 25,
      "message": "ใน Stack ยังมีข้อมูลอยู่"
    },
    {
      "message_id": 1121,
      "agent_id": 14,
      "delay": 10.265,
      "onscreen_delay": 9.673,
      "typing_delay": 0.592,
      "typing_duration": 7.586,
      "wpm": 44,
      "message": "เพราะฉะนั้น ต้องดึงค่า"
    },
    {
      "message_id": 1122,
      "agent_id": 29,
      "delay": 6.263,
      "onscreen_delay": 5.963,
      "typing_delay": 0.3,
      "typing_duration": 6.74,
      "wpm": 91,
      "message": "ออกจาก Stack ให้หมด เราเอาอะไรออกมาก่อนคะ "
    },
    {
      "message_id": 1123,
      "agent_id": 13,
      "delay": 2.738,
      "onscreen_delay": 2.525,
      "typing_delay": 0.213,
      "typing_duration": 8.427,
      "wpm": 46,
      "message": "ตัวล่าสุด ตัวบนสุด คือ คูณ "
    },
    {
      "message_id": 1124,
      "agent_id": 33,
      "delay": 4.425,
      "onscreen_delay": 4.004,
      "typing_delay": 0.421,
      "typing_duration": 15,
      "wpm": 37,
      "message": "เอาคูณมาต่อท้ายที่ Output หรือว่าผลลั"
    },
    {
      "message_id": 1125,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 9.097,
      "typing_delay": 1.902,
      "typing_duration": 11.736,
      "wpm": 51,
      "message": "เอาคูณออกมาแล้วมันเหลืออีกตัวหนึ่งใช่ไหม "
    },
    {
      "message_id": 1126,
      "agent_id": 29,
      "delay": 7.734,
      "onscreen_delay": 7.203,
      "typing_delay": 0.531,
      "typing_duration": 6.701,
      "wpm": 29,
      "message": "ก็เอาบวกออกมา "
    },
    {
      "message_id": 1127,
      "agent_id": 13,
      "delay": 3.731,
      "onscreen_delay": 3.731,
      "typing_delay": 0,
      "typing_duration": 9.159,
      "wpm": 51,
      "message": "อันนี้คือผลลัพธ์ ผลลัพธ์สุดท้าย"
    },
    {
      "message_id": 1128,
      "agent_id": 33,
      "delay": 5.151,
      "onscreen_delay": 4.059,
      "typing_delay": 1.092,
      "typing_duration": 6.698,
      "wpm": 9,
      "message": "นะคะ "
    },
    {
      "message_id": 1129,
      "agent_id": 14,
      "delay": 2.696,
      "onscreen_delay": 2.283,
      "typing_delay": 0.413,
      "typing_duration": 8.908,
      "wpm": 67,
      "message": "จะอยู่ในรูปแบบของ Postfix คือ แปลงนิพจน์ "
    },
    {
      "message_id": 1130,
      "agent_id": 29,
      "delay": 4.906,
      "onscreen_delay": 0.882,
      "typing_delay": 4.024,
      "typing_duration": 4.024,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1131,
      "agent_id": 13,
      "delay": 2.093,
      "onscreen_delay": 0,
      "typing_delay": 2.093,
      "typing_duration": 10.126,
      "wpm": 61,
      "message": "ได้ไหมคะ เดี๋ยวเรามาทำพร้อมกันอีกตัวหนึ่ง "
    },
    {
      "message_id": 1132,
      "agent_id": 33,
      "delay": 6.125,
      "onscreen_delay": 5.278,
      "typing_delay": 0.847,
      "typing_duration": 4.897,
      "wpm": 15,
      "message": "หนึ่ง"
    },
    {
      "message_id": 1133,
      "agent_id": 14,
      "delay": 4.077,
      "onscreen_delay": 0,
      "typing_delay": 4.077,
      "typing_duration": 4.077,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1134,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1135,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1136,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1137,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.994,
      "typing_delay": 4.005,
      "typing_duration": 4.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1138,
      "agent_id": 29,
      "delay": 6.993,
      "onscreen_delay": 4.2,
      "typing_delay": 2.793,
      "typing_duration": 6.621,
      "wpm": 20,
      "message": "3 + 5 x 1"
    },
    {
      "message_id": 1139,
      "agent_id": 13,
      "delay": 3.991,
      "onscreen_delay": 0,
      "typing_delay": 3.991,
      "typing_duration": 3.991,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1140,
      "agent_id": 33,
      "delay": 12.468,
      "onscreen_delay": 0,
      "typing_delay": 12.468,
      "typing_duration": 12.468,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1141,
      "agent_id": 14,
      "delay": 8.467,
      "onscreen_delay": 4.403,
      "typing_delay": 4.064,
      "typing_duration": 4.064,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1142,
      "agent_id": 29,
      "delay": 4.462,
      "onscreen_delay": 2.931,
      "typing_delay": 1.531,
      "typing_duration": 11.314,
      "wpm": 37,
      "message": "ครูมีโจทย์ใช่ไหมคะ 3 + 5 x 1 "
    },
    {
      "message_id": 1143,
      "agent_id": 13,
      "delay": 7.308,
      "onscreen_delay": 6.549,
      "typing_delay": 0.759,
      "typing_duration": 7.807,
      "wpm": 58,
      "message": "ผลลัพธ์เท่ากับเท่าไหร่เอ่ย ตอบ "
    },
    {
      "message_id": 1144,
      "agent_id": 33,
      "delay": 3.806,
      "onscreen_delay": 2.808,
      "typing_delay": 0.998,
      "typing_duration": 5.814,
      "wpm": 18,
      "message": "เท่ากับ"
    },
    {
      "message_id": 1145,
      "agent_id": 14,
      "delay": 1.812,
      "onscreen_delay": 1.017,
      "typing_delay": 0.795,
      "typing_duration": 4.811,
      "wpm": 87,
      "message": "อันนี้ตอบเท่ากับเท่าไหร่เอ่ย "
    },
    {
      "message_id": 1146,
      "agent_id": 29,
      "delay": 1.521,
      "onscreen_delay": 0,
      "typing_delay": 1.521,
      "typing_duration": 7.431,
      "wpm": 2,
      "message": "8 "
    },
    {
      "message_id": 1147,
      "agent_id": 13,
      "delay": 3.429,
      "onscreen_delay": 3.061,
      "typing_delay": 0.368,
      "typing_duration": 4.146,
      "wpm": 54,
      "message": "ข้างหลังตอบอะไร "
    },
    {
      "message_id": 1148,
      "agent_id": 33,
      "delay": 1.733,
      "onscreen_delay": 0,
      "typing_delay": 1.733,
      "typing_duration": 9.565,
      "wpm": 35,
      "message": "ได้เท่ากับอะไรคะ คำตอบ"
    },
    {
      "message_id": 1149,
      "agent_id": 14,
      "delay": 5.563,
      "onscreen_delay": 5.286,
      "typing_delay": 0.277,
      "typing_duration": 8.419,
      "wpm": 12,
      "message": "ก็คือ 8 "
    },
    {
      "message_id": 1150,
      "agent_id": 29,
      "delay": 4.418,
      "onscreen_delay": 3.84,
      "typing_delay": 0.578,
      "typing_duration": 11.092,
      "wpm": 31,
      "message": "เอา 5 x 1 ก่อนได้เท่าไร"
    },
    {
      "message_id": 1151,
      "agent_id": 13,
      "delay": 7.091,
      "onscreen_delay": 7.007,
      "typing_delay": 0.084,
      "typing_duration": 7.06,
      "wpm": 25,
      "message": "ค่อยบวกกับ 3 "
    },
    {
      "message_id": 1152,
      "agent_id": 33,
      "delay": 3.086,
      "onscreen_delay": 1.358,
      "typing_delay": 1.728,
      "typing_duration": 15,
      "wpm": 23,
      "message": "5 1 เป็น 5 แล้วบวกกับ 3"
    },
    {
      "message_id": 1153,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 10.346,
      "typing_delay": 0.651,
      "typing_duration": 5.323,
      "wpm": 3,
      "message": "8 "
    },
    {
      "message_id": 1154,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 6.284,
      "typing_delay": 0.711,
      "typing_duration": 9.934,
      "wpm": 50,
      "message": "เดี๋ยวเราจะมาทำ จะมาแปลงนิพจน์กัน"
    },
    {
      "message_id": 1155,
      "agent_id": 13,
      "delay": 5.928,
      "onscreen_delay": 5.928,
      "typing_delay": 0,
      "typing_duration": 8.989,
      "wpm": 72,
      "message": "นะคะ แล้วเราจะมาหาค่าว่ามันได้ 8 ได้อย่างไร "
    },
    {
      "message_id": 1156,
      "agent_id": 33,
      "delay": 4.987,
      "onscreen_delay": 4.267,
      "typing_delay": 0.72,
      "typing_duration": 15.001,
      "wpm": 28,
      "message": "อันนี้เรากำลังจะมาแสดงวิธีทำ"
    },
    {
      "message_id": 1157,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.992,
      "typing_delay": 0.008,
      "typing_duration": 7.776,
      "wpm": 87,
      "message": "ค่าว่า 8 มันมาจากไหน เราสั่งให้คอมพิวเตอร์มัน"
    },
    {
      "message_id": 1158,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 6.708,
      "typing_delay": 0.287,
      "typing_duration": 10.951,
      "wpm": 47,
      "message": "คิดแบบไหน อันดับแรก วาด Stack ว่าง "
    },
    {
      "message_id": 1159,
      "agent_id": 13,
      "delay": 6.95,
      "onscreen_delay": 5.905,
      "typing_delay": 1.045,
      "typing_duration": 11.907,
      "wpm": 54,
      "message": "ฉะนั้น ครูบอกว่าต้องมีคอลัมน์อยู่ 3 คอลัมน์ "
    },
    {
      "message_id": 1160,
      "agent_id": 33,
      "delay": 7.906,
      "onscreen_delay": 1.027,
      "typing_delay": 6.879,
      "typing_duration": 6.879,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1161,
      "agent_id": 14,
      "delay": 4.326,
      "onscreen_delay": 0,
      "typing_delay": 4.326,
      "typing_duration": 4.326,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1162,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1163,
      "agent_id": 13,
      "delay": 10.991,
      "onscreen_delay": 8.068,
      "typing_delay": 2.923,
      "typing_duration": 7.837,
      "wpm": 42,
      "message": "ครูมี 3 คอลัมน์แล้ว มี "
    },
    {
      "message_id": 1164,
      "agent_id": 33,
      "delay": 6.99,
      "onscreen_delay": 4.951,
      "typing_delay": 2.039,
      "typing_duration": 12.587,
      "wpm": 14,
      "message": "In put Stack "
    },
    {
      "message_id": 1165,
      "agent_id": 14,
      "delay": 8.585,
      "onscreen_delay": 8.401,
      "typing_delay": 0.184,
      "typing_duration": 5.774,
      "wpm": 34,
      "message": "แล้วก็ Output "
    },
    {
      "message_id": 1166,
      "agent_id": 29,
      "delay": 4.583,
      "onscreen_delay": 3.578,
      "typing_delay": 1.005,
      "typing_duration": 11.131,
      "wpm": 28,
      "message": "จากนั้นครูวาดตารางเลย "
    },
    {
      "message_id": 1167,
      "agent_id": 13,
      "delay": 7.13,
      "onscreen_delay": 5.794,
      "typing_delay": 1.336,
      "typing_duration": 10.054,
      "wpm": 51,
      "message": "โดยเอาข้อมูลมาใส่ในแต่ละแถวเลยนะคะ "
    },
    {
      "message_id": 1168,
      "agent_id": 33,
      "delay": 6.049,
      "onscreen_delay": 4.398,
      "typing_delay": 1.651,
      "typing_duration": 10.203,
      "wpm": 29,
      "message": "ครูอ่านเข้ามาทีละตัว"
    },
    {
      "message_id": 1169,
      "agent_id": 14,
      "delay": 6.201,
      "onscreen_delay": 6.201,
      "typing_delay": 0,
      "typing_duration": 8.589,
      "wpm": 49,
      "message": "ซ้ายไปขวา ตัวแรก คือ 3 ถัดมา"
    },
    {
      "message_id": 1170,
      "agent_id": 29,
      "delay": 4.586,
      "onscreen_delay": 4.317,
      "typing_delay": 0.269,
      "typing_duration": 6.743,
      "wpm": 51,
      "message": "คือเครื่องหมายบวก เลข 5 "
    },
    {
      "message_id": 1171,
      "agent_id": 13,
      "delay": 2.741,
      "onscreen_delay": 2.329,
      "typing_delay": 0.412,
      "typing_duration": 6.243,
      "wpm": 46,
      "message": "นะคะ เครื่องหมายคูณ "
    },
    {
      "message_id": 1172,
      "agent_id": 33,
      "delay": 2.242,
      "onscreen_delay": 1.564,
      "typing_delay": 0.678,
      "typing_duration": 15.001,
      "wpm": 27,
      "message": "แล้วก็เลข 1 อันนี้ครูวดตารา"
    },
    {
      "message_id": 1173,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 11,
      "typing_delay": 0,
      "typing_duration": 4.326,
      "wpm": 31,
      "message": "เสร็จแล้ว "
    },
    {
      "message_id": 1174,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1175,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1176,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.814,
      "typing_delay": 4.185,
      "typing_duration": 7.934,
      "wpm": 9,
      "message": "ทุกคน"
    },
    {
      "message_id": 1177,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.548,
      "typing_delay": 0.45,
      "typing_duration": 7.385,
      "wpm": 47,
      "message": "วาดตามครูก่อนเลย เราวาด"
    },
    {
      "message_id": 1178,
      "agent_id": 29,
      "delay": 3.382,
      "onscreen_delay": 1.954,
      "typing_delay": 1.428,
      "typing_duration": 7.547,
      "wpm": 54,
      "message": "ตารางเปล่า ๆ แบบนี้ก่อนนะคะ "
    },
    {
      "message_id": 1179,
      "agent_id": 13,
      "delay": 3.546,
      "onscreen_delay": 2.833,
      "typing_delay": 0.713,
      "typing_duration": 7.855,
      "wpm": 50,
      "message": "คอลัมน์แรก หรือช่องแรก เอา"
    },
    {
      "message_id": 1180,
      "agent_id": 33,
      "delay": 3.854,
      "onscreen_delay": 2.776,
      "typing_delay": 1.078,
      "typing_duration": 9.78,
      "wpm": 31,
      "message": "ตัวเลขกับเครื่องหมาย"
    },
    {
      "message_id": 1181,
      "agent_id": 14,
      "delay": 5.778,
      "onscreen_delay": 5.778,
      "typing_delay": 0,
      "typing_duration": 6.403,
      "wpm": 47,
      "message": "มาเรียงใส่ทีละบรรทัด "
    },
    {
      "message_id": 1182,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1183,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1184,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1185,
      "agent_id": 14,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1186,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1187,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1188,
      "agent_id": 33,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1189,
      "agent_id": 14,
      "delay": 11.004,
      "onscreen_delay": 5.128,
      "typing_delay": 5.876,
      "typing_duration": 5.876,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1190,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1191,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1192,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1193,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1194,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1195,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1196,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1197,
      "agent_id": 14,
      "delay": 11.002,
      "onscreen_delay": 1.586,
      "typing_delay": 9.416,
      "typing_duration": 9.416,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1198,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1199,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1200,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 6.805,
      "typing_delay": 4.192,
      "typing_duration": 7.289,
      "wpm": 14,
      "message": "คราวนี้"
    },
    {
      "message_id": 1201,
      "agent_id": 14,
      "delay": 6.995,
      "onscreen_delay": 6.995,
      "typing_delay": 0,
      "typing_duration": 9.697,
      "wpm": 85,
      "message": "พอทุกคนลอกตารางเสร็จแล้วใช่ไหมคะ เดี๋ยวเราจะมาทำด้วยกัน "
    },
    {
      "message_id": 1202,
      "agent_id": 29,
      "delay": 5.695,
      "onscreen_delay": 3.356,
      "typing_delay": 2.339,
      "typing_duration": 8.044,
      "wpm": 26,
      "message": "เริ่มต้นตัวแรก"
    },
    {
      "message_id": 1203,
      "agent_id": 13,
      "delay": 4.043,
      "onscreen_delay": 3.947,
      "typing_delay": 0.096,
      "typing_duration": 9.726,
      "wpm": 63,
      "message": "ใช่ไหมคะทุกคน เริ่มต้นตัวแรกมันเป็นตัวเลข"
    },
    {
      "message_id": 1204,
      "agent_id": 33,
      "delay": 5.724,
      "onscreen_delay": 4.673,
      "typing_delay": 1.051,
      "typing_duration": 15.001,
      "wpm": 45,
      "message": "ใช่หรือเปล่า เพราะฉะนั้นเอาไปไว้ที่ช่องทางไหน"
    },
    {
      "message_id": 1205,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 9.736,
      "typing_delay": 1.263,
      "typing_duration": 10.384,
      "wpm": 9,
      "message": "ทางขวา "
    },
    {
      "message_id": 1206,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.877,
      "typing_delay": 0.121,
      "typing_duration": 4.245,
      "wpm": 81,
      "message": "ใส่ก่อนเลข 3 ใช่ถูกต้อง "
    },
    {
      "message_id": 1207,
      "agent_id": 13,
      "delay": 5.671,
      "onscreen_delay": 0,
      "typing_delay": 5.671,
      "typing_duration": 7.814,
      "wpm": 10,
      "message": "ถัดมา "
    },
    {
      "message_id": 1208,
      "agent_id": 33,
      "delay": 3.813,
      "onscreen_delay": 3.043,
      "typing_delay": 0.77,
      "typing_duration": 15.001,
      "wpm": 26,
      "message": "เป็นเครื่องหมายบวกใช่ไหมคะ"
    },
    {
      "message_id": 1209,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.414,
      "typing_delay": 0.586,
      "typing_duration": 6.274,
      "wpm": 50,
      "message": "ตรงนี้มีอะไรไหม ไม่มี "
    },
    {
      "message_id": 1210,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.953,
      "typing_delay": 0.045,
      "typing_duration": 8.378,
      "wpm": 68,
      "message": "เพราะฉะนั้น เอา + มาใส่ตรงนี้ได้เลยไหม "
    },
    {
      "message_id": 1211,
      "agent_id": 13,
      "delay": 4.377,
      "onscreen_delay": 3.646,
      "typing_delay": 0.731,
      "typing_duration": 7.23,
      "wpm": 56,
      "message": "ถ้าเป็นเครื่องหมาย เอาลงที่ "
    },
    {
      "message_id": 1212,
      "agent_id": 33,
      "delay": 3.229,
      "onscreen_delay": 2.169,
      "typing_delay": 1.06,
      "typing_duration": 15.001,
      "wpm": 29,
      "message": "Stack เพราะฉะนั้นตอนนี้ Stack"
    },
    {
      "message_id": 1213,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 9.396,
      "typing_delay": 1.604,
      "typing_duration": 5.997,
      "wpm": 63,
      "message": "ก็ใส่เครื่องหมายบวกได้เลย "
    },
    {
      "message_id": 1214,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 5.579,
      "typing_delay": 1.42,
      "typing_duration": 7.026,
      "wpm": 62,
      "message": "3 ยกลงมาเหมือนเดิมนะคะ เหมือน"
    },
    {
      "message_id": 1215,
      "agent_id": 13,
      "delay": 3.023,
      "onscreen_delay": 2.892,
      "typing_delay": 0.131,
      "typing_duration": 7.619,
      "wpm": 59,
      "message": "ตรง Output ยก 3 ลงมาเหมือนเดิม "
    },
    {
      "message_id": 1216,
      "agent_id": 33,
      "delay": 4.559,
      "onscreen_delay": 0,
      "typing_delay": 4.559,
      "typing_duration": 4.559,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1217,
      "agent_id": 14,
      "delay": 4.913,
      "onscreen_delay": 0,
      "typing_delay": 4.913,
      "typing_duration": 4.913,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1218,
      "agent_id": 29,
      "delay": 0.949,
      "onscreen_delay": 0,
      "typing_delay": 0.949,
      "typing_duration": 6.148,
      "wpm": 51,
      "message": "ถัดมาเลข 5 เป็นตัวเลข"
    },
    {
      "message_id": 1219,
      "agent_id": 13,
      "delay": 2.145,
      "onscreen_delay": 2.037,
      "typing_delay": 0.108,
      "typing_duration": 8.973,
      "wpm": 32,
      "message": "เอาไว้ที่ไหน เอาไว้ "
    },
    {
      "message_id": 1220,
      "agent_id": 33,
      "delay": 4.971,
      "onscreen_delay": 2.685,
      "typing_delay": 2.286,
      "typing_duration": 15,
      "wpm": 29,
      "message": "Output ใช่ไหม ฉะนั้น เอาของเด"
    },
    {
      "message_id": 1221,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 10.927,
      "typing_delay": 0.071,
      "typing_duration": 9.286,
      "wpm": 57,
      "message": "ยกลงมาก่อน คือ 3 เราเอาเลขอะไรมาใส่ "
    },
    {
      "message_id": 1222,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.642,
      "typing_delay": 0.355,
      "typing_duration": 8.875,
      "wpm": 29,
      "message": "เลข 5 นะคะ อันนี้"
    },
    {
      "message_id": 1223,
      "agent_id": 13,
      "delay": 4.874,
      "onscreen_delay": 4.682,
      "typing_delay": 0.192,
      "typing_duration": 8.406,
      "wpm": 64,
      "message": "ยกลงมาไหม เครื่องหมายบวกยกลงมาด้วยนะ "
    },
    {
      "message_id": 1224,
      "agent_id": 33,
      "delay": 4.405,
      "onscreen_delay": 2.138,
      "typing_delay": 2.267,
      "typing_duration": 8.003,
      "wpm": 19,
      "message": "ยกลงมาด้วย"
    },
    {
      "message_id": 1225,
      "agent_id": 14,
      "delay": 4.21,
      "onscreen_delay": 0,
      "typing_delay": 4.21,
      "typing_duration": 4.21,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1226,
      "agent_id": 29,
      "delay": 5.126,
      "onscreen_delay": 0,
      "typing_delay": 5.126,
      "typing_duration": 5.126,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1227,
      "agent_id": 13,
      "delay": 4.48,
      "onscreen_delay": 0,
      "typing_delay": 4.48,
      "typing_duration": 8.097,
      "wpm": 28,
      "message": "เสร็จแล้ว ถัดมา "
    },
    {
      "message_id": 1228,
      "agent_id": 33,
      "delay": 4.096,
      "onscreen_delay": 2.794,
      "typing_delay": 1.302,
      "typing_duration": 10.636,
      "wpm": 20,
      "message": "เครื่องหมายคูณ "
    },
    {
      "message_id": 1229,
      "agent_id": 14,
      "delay": 6.63,
      "onscreen_delay": 6.507,
      "typing_delay": 0.123,
      "typing_duration": 8.721,
      "wpm": 69,
      "message": "คูณต้องเอามาลง Stack ใช่หรือเปล่า แต่คูณ"
    },
    {
      "message_id": 1230,
      "agent_id": 29,
      "delay": 4.719,
      "onscreen_delay": 4.485,
      "typing_delay": 0.234,
      "typing_duration": 7.076,
      "wpm": 49,
      "message": "มันมากกว่าบวกใช่ไหม คูณ"
    },
    {
      "message_id": 1231,
      "agent_id": 13,
      "delay": 3.073,
      "onscreen_delay": 3.031,
      "typing_delay": 0.042,
      "typing_duration": 8.956,
      "wpm": 62,
      "message": "กับบวก อะไรมากกว่ากัน คูณ เพราะฉะนั้น "
    },
    {
      "message_id": 1232,
      "agent_id": 33,
      "delay": 4.955,
      "onscreen_delay": 4.314,
      "typing_delay": 0.641,
      "typing_duration": 15.001,
      "wpm": 31,
      "message": "เราก็ใส่ลงไปใน Stack ได้เลย โดย"
    },
    {
      "message_id": 1233,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 10.785,
      "typing_delay": 0.213,
      "typing_duration": 6.319,
      "wpm": 50,
      "message": "โดยเอาของเดิมลงมาก่อน "
    },
    {
      "message_id": 1234,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.925,
      "typing_delay": 0.072,
      "typing_duration": 6.772,
      "wpm": 51,
      "message": "แล้วก็ใส่เครื่องหมายคูณ "
    },
    {
      "message_id": 1235,
      "agent_id": 13,
      "delay": 2.996,
      "onscreen_delay": 2.595,
      "typing_delay": 0.401,
      "typing_duration": 9.647,
      "wpm": 65,
      "message": "อันนี้ยกลงมาเหมือนเดิมไหม ยกลงมาเหมือนเดิม "
    },
    {
      "message_id": 1236,
      "agent_id": 33,
      "delay": 5.645,
      "onscreen_delay": 1.395,
      "typing_delay": 4.25,
      "typing_duration": 4.25,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1237,
      "agent_id": 14,
      "delay": 1.994,
      "onscreen_delay": 0,
      "typing_delay": 1.994,
      "typing_duration": 7.719,
      "wpm": 49,
      "message": "ตรงสุดท้าย 1 เอาไว้ที่ไหน "
    },
    {
      "message_id": 1238,
      "agent_id": 29,
      "delay": 3.716,
      "onscreen_delay": 3.025,
      "typing_delay": 0.691,
      "typing_duration": 8.916,
      "wpm": 56,
      "message": "Output แต่มีของเดิมอยู่แล้วใช่ไหม "
    },
    {
      "message_id": 1239,
      "agent_id": 13,
      "delay": 4.915,
      "onscreen_delay": 4.715,
      "typing_delay": 0.2,
      "typing_duration": 5.247,
      "wpm": 91,
      "message": "ยกของเดิมลงมาก่อน แล้วก็ใส่เลข 1 "
    },
    {
      "message_id": 1240,
      "agent_id": 33,
      "delay": 6.022,
      "onscreen_delay": 0,
      "typing_delay": 6.022,
      "typing_duration": 6.022,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1241,
      "agent_id": 14,
      "delay": 2.021,
      "onscreen_delay": 1.723,
      "typing_delay": 0.298,
      "typing_duration": 6.165,
      "wpm": 92,
      "message": "อันนี้ยกลงมาเลยได้ไหม ได้นะคะ ใน Stack "
    },
    {
      "message_id": 1242,
      "agent_id": 29,
      "delay": 2.16,
      "onscreen_delay": 1.8,
      "typing_delay": 0.36,
      "typing_duration": 8.29,
      "wpm": 71,
      "message": "เราก็ยกเครื่องหมายออกมา เครื่องหมายนะคะ "
    },
    {
      "message_id": 1243,
      "agent_id": 13,
      "delay": 4.289,
      "onscreen_delay": 3.742,
      "typing_delay": 0.547,
      "typing_duration": 4.171,
      "wpm": 32,
      "message": "บวกกับคูณ "
    },
    {
      "message_id": 1244,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1245,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 7.326,
      "typing_delay": 3.673,
      "typing_duration": 7.581,
      "wpm": 18,
      "message": "เสร็จแล้ว"
    },
    {
      "message_id": 1246,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 6.02,
      "typing_delay": 0.976,
      "typing_duration": 8.826,
      "wpm": 66,
      "message": "ผลลัพธ์ที่ได้ ตอนนี้ข้อมูลหมดแล้วใช่ไหม "
    },
    {
      "message_id": 1247,
      "agent_id": 13,
      "delay": 4.825,
      "onscreen_delay": 4.644,
      "typing_delay": 0.181,
      "typing_duration": 11.645,
      "wpm": 54,
      "message": "ใน Stack ยังมีอยู่ ใน Stack ยังมีอยู่ ต้อง"
    },
    {
      "message_id": 1248,
      "agent_id": 33,
      "delay": 7.644,
      "onscreen_delay": 6.771,
      "typing_delay": 0.873,
      "typing_duration": 13.953,
      "wpm": 34,
      "message": "เอาออกมา ต้อง Pop ออกมา ใช่ไหมคะ"
    },
    {
      "message_id": 1249,
      "agent_id": 14,
      "delay": 9.951,
      "onscreen_delay": 9.686,
      "typing_delay": 0.265,
      "typing_duration": 10.918,
      "wpm": 44,
      "message": "ยกตรง Output ของเดิมลงมาก่อน Pop "
    },
    {
      "message_id": 1250,
      "agent_id": 29,
      "delay": 6.917,
      "onscreen_delay": 5.686,
      "typing_delay": 1.231,
      "typing_duration": 5.868,
      "wpm": 64,
      "message": "บวกกับคูณเอาอะไรออกมาก่อน "
    },
    {
      "message_id": 1251,
      "agent_id": 13,
      "delay": 2.916,
      "onscreen_delay": 2.916,
      "typing_delay": 0,
      "typing_duration": 8.961,
      "wpm": 47,
      "message": "คูณ แล้วตามด้วยบวก เห็นไหมคะ "
    },
    {
      "message_id": 1252,
      "agent_id": 33,
      "delay": 4.959,
      "onscreen_delay": 4.372,
      "typing_delay": 0.587,
      "typing_duration": 11.914,
      "wpm": 43,
      "message": "เอาตัวแรกออกมาก่อน แล้วเอาตัวที่ 2"
    },
    {
      "message_id": 1253,
      "agent_id": 14,
      "delay": 7.913,
      "onscreen_delay": 7.913,
      "typing_delay": 0,
      "typing_duration": 4.514,
      "wpm": 17,
      "message": "ออกมา "
    },
    {
      "message_id": 1254,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1255,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1256,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1257,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 9.663,
      "typing_delay": 1.335,
      "typing_duration": 12.679,
      "wpm": 64,
      "message": "เดี๋ยวต่ออีกนิดหนึ่งนะคะ เดี๋ยวเขียนตรงนี้ให้เสร็จก่อน "
    },
    {
      "message_id": 1258,
      "agent_id": 29,
      "delay": 13.779,
      "onscreen_delay": 0,
      "typing_delay": 13.779,
      "typing_duration": 13.779,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1259,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1260,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 8.437,
      "typing_delay": 2.562,
      "typing_duration": 14.13,
      "wpm": 25,
      "message": "เรายังไม่ได้ค่าเลข 8 เลย"
    },
    {
      "message_id": 1261,
      "agent_id": 14,
      "delay": 10.128,
      "onscreen_delay": 9.302,
      "typing_delay": 0.826,
      "typing_duration": 5.169,
      "wpm": 64,
      "message": "จะทำอย่างไรให้ได้เลข 8 "
    },
    {
      "message_id": 1262,
      "agent_id": 29,
      "delay": 6.127,
      "onscreen_delay": 1.417,
      "typing_delay": 4.71,
      "typing_duration": 5.981,
      "wpm": 3,
      "message": "8 "
    },
    {
      "message_id": 1263,
      "agent_id": 13,
      "delay": 2.125,
      "onscreen_delay": 0.782,
      "typing_delay": 1.343,
      "typing_duration": 6.352,
      "wpm": 47,
      "message": "ถัดมา เสร็จหรือยังคะ "
    },
    {
      "message_id": 1264,
      "agent_id": 33,
      "delay": 3.643,
      "onscreen_delay": 0,
      "typing_delay": 3.643,
      "typing_duration": 13.219,
      "wpm": 16,
      "message": "เดี๋ยวรอเพื่อน"
    },
    {
      "message_id": 1265,
      "agent_id": 14,
      "delay": 9.214,
      "onscreen_delay": 8.803,
      "typing_delay": 0.411,
      "typing_duration": 4.144,
      "wpm": 40,
      "message": "แป๊บหนึ่งนะ "
    },
    {
      "message_id": 1266,
      "agent_id": 29,
      "delay": 5.213,
      "onscreen_delay": 0.746,
      "typing_delay": 4.467,
      "typing_duration": 4.467,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1267,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1268,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.472,
      "typing_delay": 1.528,
      "typing_duration": 12.194,
      "wpm": 22,
      "message": "โอเค เราได้ผลลัพธ์"
    },
    {
      "message_id": 1269,
      "agent_id": 14,
      "delay": 8.191,
      "onscreen_delay": 8.114,
      "typing_delay": 0.077,
      "typing_duration": 8.319,
      "wpm": 67,
      "message": "แล้วใช่ไหมคะ จากตารางที่เราทำใน Stack "
    },
    {
      "message_id": 1270,
      "agent_id": 29,
      "delay": 4.375,
      "onscreen_delay": 0,
      "typing_delay": 4.375,
      "typing_duration": 6.923,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1271,
      "agent_id": 13,
      "delay": 2.922,
      "onscreen_delay": 1.925,
      "typing_delay": 0.997,
      "typing_duration": 8.519,
      "wpm": 58,
      "message": "พอได้ค่าผลลัพธ์แล้วนี่ คือ ตัวนี้ "
    },
    {
      "message_id": 1272,
      "agent_id": 33,
      "delay": 4.518,
      "onscreen_delay": 3.394,
      "typing_delay": 1.124,
      "typing_duration": 12.924,
      "wpm": 13,
      "message": "351 คูณ บวก"
    },
    {
      "message_id": 1273,
      "agent_id": 14,
      "delay": 8.923,
      "onscreen_delay": 8.416,
      "typing_delay": 0.507,
      "typing_duration": 10.539,
      "wpm": 64,
      "message": "มาหาผลลัพธ์ต่อนะคะ ค่านี้จะเป็นค่าสุดท้ายแล้ว"
    },
    {
      "message_id": 1274,
      "agent_id": 29,
      "delay": 6.538,
      "onscreen_delay": 6.19,
      "typing_delay": 0.348,
      "typing_duration": 4.375,
      "wpm": 72,
      "message": "ที่เราจะได้คำตอบออกมา "
    },
    {
      "message_id": 1275,
      "agent_id": 13,
      "delay": 7.058,
      "onscreen_delay": 0,
      "typing_delay": 7.058,
      "typing_duration": 7.058,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1276,
      "agent_id": 33,
      "delay": 3.057,
      "onscreen_delay": 1.371,
      "typing_delay": 1.686,
      "typing_duration": 13.394,
      "wpm": 22,
      "message": "ตัวแรกตัวนี้ใช่ไหมคะ"
    },
    {
      "message_id": 1277,
      "agent_id": 14,
      "delay": 9.393,
      "onscreen_delay": 9.099,
      "typing_delay": 0.294,
      "typing_duration": 6.174,
      "wpm": 49,
      "message": "ขั้นตอนถัดมา ถ้าเป็น"
    },
    {
      "message_id": 1278,
      "agent_id": 29,
      "delay": 5.392,
      "onscreen_delay": 5.142,
      "typing_delay": 0.25,
      "typing_duration": 11.485,
      "wpm": 35,
      "message": "ตัวเลข ถ้าเป็นตัวเลขจะ Push "
    },
    {
      "message_id": 1279,
      "agent_id": 13,
      "delay": 7.484,
      "onscreen_delay": 7.398,
      "typing_delay": 0.086,
      "typing_duration": 8.622,
      "wpm": 56,
      "message": "ลง Stack อันนี้อีกอันหนึ่งนะ อีก"
    },
    {
      "message_id": 1280,
      "agent_id": 33,
      "delay": 4.618,
      "onscreen_delay": 3.651,
      "typing_delay": 0.967,
      "typing_duration": 15,
      "wpm": 34,
      "message": "ขั้นตอนหนึ่วนะคะ ถ้าเป็นตัวเลขจะ P"
    },
    {
      "message_id": 1281,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.9,
      "typing_delay": 0.099,
      "typing_duration": 8.51,
      "wpm": 60,
      "message": "ลง Stack ดูพร้อมครูเลย ตัวที่ 1 มา "
    },
    {
      "message_id": 1282,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.648,
      "typing_delay": 0.35,
      "typing_duration": 7.148,
      "wpm": 44,
      "message": "คือตัวเลขอะไรคะ เลข 3 "
    },
    {
      "message_id": 1283,
      "agent_id": 13,
      "delay": 3.146,
      "onscreen_delay": 3.146,
      "typing_delay": 0,
      "typing_duration": 6.151,
      "wpm": 41,
      "message": "เราเอาใส่ใน Stack "
    },
    {
      "message_id": 1284,
      "agent_id": 33,
      "delay": 2.15,
      "onscreen_delay": 0.42,
      "typing_delay": 1.73,
      "typing_duration": 11.954,
      "wpm": 23,
      "message": "ดูพร้อมกันนะ เลข 3 "
    },
    {
      "message_id": 1285,
      "agent_id": 14,
      "delay": 7.953,
      "onscreen_delay": 7.953,
      "typing_delay": 0,
      "typing_duration": 6.137,
      "wpm": 66,
      "message": "ตัวแรก เอาลง Stack ตัวถัดมา"
    },
    {
      "message_id": 1286,
      "agent_id": 29,
      "delay": 3.952,
      "onscreen_delay": 3.36,
      "typing_delay": 0.592,
      "typing_duration": 9.581,
      "wpm": 23,
      "message": "เลขอะไรคะ เลข 5 "
    },
    {
      "message_id": 1287,
      "agent_id": 13,
      "delay": 5.579,
      "onscreen_delay": 4.608,
      "typing_delay": 0.971,
      "typing_duration": 11.316,
      "wpm": 46,
      "message": "ก็เอาเลข 5 Push ลง  Stack เหมือนกัน "
    },
    {
      "message_id": 1288,
      "agent_id": 33,
      "delay": 7.313,
      "onscreen_delay": 3.006,
      "typing_delay": 4.307,
      "typing_duration": 4.307,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1289,
      "agent_id": 14,
      "delay": 3.311,
      "onscreen_delay": 2.4,
      "typing_delay": 0.911,
      "typing_duration": 5.922,
      "wpm": 38,
      "message": "ตัวถัดมาเลขอะไร "
    },
    {
      "message_id": 1290,
      "agent_id": 29,
      "delay": 1.92,
      "onscreen_delay": 1.706,
      "typing_delay": 0.214,
      "typing_duration": 7.246,
      "wpm": 33,
      "message": "เลข 1 ก็เอาเลข 1 "
    },
    {
      "message_id": 1291,
      "agent_id": 13,
      "delay": 3.245,
      "onscreen_delay": 2.384,
      "typing_delay": 0.861,
      "typing_duration": 4.817,
      "wpm": 72,
      "message": "Push ลง Stack เหมือนกัน "
    },
    {
      "message_id": 1292,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1293,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.866,
      "typing_delay": 4.133,
      "typing_duration": 4.133,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1294,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 4.022,
      "typing_delay": 2.974,
      "typing_duration": 10.183,
      "wpm": 7,
      "message": "ถัดมา"
    },
    {
      "message_id": 1295,
      "agent_id": 13,
      "delay": 6.178,
      "onscreen_delay": 6.123,
      "typing_delay": 0.055,
      "typing_duration": 8.686,
      "wpm": 36,
      "message": "เราเครื่องหมายคูณ ให้ "
    },
    {
      "message_id": 1296,
      "agent_id": 33,
      "delay": 4.684,
      "onscreen_delay": 2.357,
      "typing_delay": 2.327,
      "typing_duration": 14.082,
      "wpm": 24,
      "message": "Pop ค่าบนสุดอออกมา แล้ว"
    },
    {
      "message_id": 1297,
      "agent_id": 14,
      "delay": 10.081,
      "onscreen_delay": 10.081,
      "typing_delay": 0,
      "typing_duration": 6.817,
      "wpm": 81,
      "message": "วางไว้ขวามือ เอาเลข 1 ออกมา เห็นไหมคะ "
    },
    {
      "message_id": 1298,
      "agent_id": 29,
      "delay": 6.079,
      "onscreen_delay": 4.706,
      "typing_delay": 1.373,
      "typing_duration": 8.252,
      "wpm": 38,
      "message": "จากนั้นใส่เครื่องหมาย "
    },
    {
      "message_id": 1299,
      "agent_id": 13,
      "delay": 4.251,
      "onscreen_delay": 3.669,
      "typing_delay": 0.582,
      "typing_duration": 10.129,
      "wpm": 64,
      "message": "ถ้ามันเครื่องหมายนะ ตัวที่เราอ่านมา เรา Pop "
    },
    {
      "message_id": 1300,
      "agent_id": 33,
      "delay": 6.128,
      "onscreen_delay": 5.083,
      "typing_delay": 1.045,
      "typing_duration": 13.068,
      "wpm": 39,
      "message": "ตัวเลขออกมาก่อน แล้วใส่เครื่องหมาย"
    },
    {
      "message_id": 1301,
      "agent_id": 14,
      "delay": 9.067,
      "onscreen_delay": 8.725,
      "typing_delay": 0.342,
      "typing_duration": 10.556,
      "wpm": 38,
      "message": "แล้วเอาตัวที่ 2 ออกมาแบบนี้"
    },
    {
      "message_id": 1302,
      "agent_id": 29,
      "delay": 6.554,
      "onscreen_delay": 5.157,
      "typing_delay": 1.397,
      "typing_duration": 7.047,
      "wpm": 51,
      "message": "นี่นะคะ เอาตัวบนสุดออกมา"
    },
    {
      "message_id": 1303,
      "agent_id": 13,
      "delay": 3.046,
      "onscreen_delay": 2.77,
      "typing_delay": 0.276,
      "typing_duration": 7.539,
      "wpm": 72,
      "message": "แล้วใส่เครื่องหมายที่เราอ่าน แล้วเอา"
    },
    {
      "message_id": 1304,
      "agent_id": 33,
      "delay": 3.538,
      "onscreen_delay": 2.419,
      "typing_delay": 1.119,
      "typing_duration": 15.002,
      "wpm": 9,
      "message": "ตัวข้อมูล "
    },
    {
      "message_id": 1305,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 11.001,
      "typing_delay": 0,
      "typing_duration": 10.029,
      "wpm": 82,
      "message": "ตัวเลขที่อยู่ใน Stack ตัวถัดมานี่ออกมา ได้ผลลัพธ์อะไรคะ "
    },
    {
      "message_id": 1306,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 5.644,
      "typing_delay": 1.356,
      "typing_duration": 7.811,
      "wpm": 23,
      "message": "5 x 1 เป็น 5 "
    },
    {
      "message_id": 1307,
      "agent_id": 13,
      "delay": 3.809,
      "onscreen_delay": 1.858,
      "typing_delay": 1.951,
      "typing_duration": 7.277,
      "wpm": 54,
      "message": "ตอนนี้ใน Stack 1 กับ 5 ออก"
    },
    {
      "message_id": 1308,
      "agent_id": 33,
      "delay": 3.276,
      "onscreen_delay": 2.377,
      "typing_delay": 0.899,
      "typing_duration": 14.258,
      "wpm": 23,
      "message": "ไปแล้วนะ เราได้ผลลัพธ์"
    },
    {
      "message_id": 1309,
      "agent_id": 14,
      "delay": 10.256,
      "onscreen_delay": 10.256,
      "typing_delay": 0,
      "typing_duration": 4.232,
      "wpm": 71,
      "message": "คือ 5 แล้วอย่างไรต่อ "
    },
    {
      "message_id": 1310,
      "agent_id": 29,
      "delay": 6.255,
      "onscreen_delay": 5.282,
      "typing_delay": 0.973,
      "typing_duration": 5.692,
      "wpm": 42,
      "message": "ก็ Push ลง Stack "
    },
    {
      "message_id": 1311,
      "agent_id": 13,
      "delay": 2.254,
      "onscreen_delay": 1.983,
      "typing_delay": 0.271,
      "typing_duration": 10.201,
      "wpm": 38,
      "message": "เอาเลข 5 Push ลงไปใน Stack "
    },
    {
      "message_id": 1312,
      "agent_id": 33,
      "delay": 6.2,
      "onscreen_delay": 5.444,
      "typing_delay": 0.756,
      "typing_duration": 11.476,
      "wpm": 37,
      "message": "ตอนนี้เอาออกไปแล้ว 2 เหลือ 3"
    },
    {
      "message_id": 1313,
      "agent_id": 14,
      "delay": 7.475,
      "onscreen_delay": 6.835,
      "typing_delay": 0.64,
      "typing_duration": 6.523,
      "wpm": 60,
      "message": "พอคูณเสร็จเอา 5 กลับเข้ามา "
    },
    {
      "message_id": 1314,
      "agent_id": 29,
      "delay": 4.12,
      "onscreen_delay": 0,
      "typing_delay": 4.12,
      "typing_duration": 4.12,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1315,
      "agent_id": 13,
      "delay": 3.16,
      "onscreen_delay": 0,
      "typing_delay": 3.16,
      "typing_duration": 6.443,
      "wpm": 28,
      "message": "ดูนะคะ ถัดมา "
    },
    {
      "message_id": 1316,
      "agent_id": 33,
      "delay": 2.441,
      "onscreen_delay": 1.317,
      "typing_delay": 1.124,
      "typing_duration": 9.677,
      "wpm": 28,
      "message": "อ่านเครื่องหมายบวก"
    },
    {
      "message_id": 1317,
      "agent_id": 14,
      "delay": 5.675,
      "onscreen_delay": 4.535,
      "typing_delay": 1.14,
      "typing_duration": 5.994,
      "wpm": 75,
      "message": "ทำเหมือนเดิมเลย เอาอะไรออกมาคะ "
    },
    {
      "message_id": 1318,
      "agent_id": 29,
      "delay": 2.968,
      "onscreen_delay": 0,
      "typing_delay": 2.968,
      "typing_duration": 6.879,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1319,
      "agent_id": 13,
      "delay": 2.878,
      "onscreen_delay": 2.827,
      "typing_delay": 0.051,
      "typing_duration": 10.107,
      "wpm": 70,
      "message": "เอา 5 ออกมาไว้ทางขวามือ แล้วก็ใส่เครื่องหมายบวก "
    },
    {
      "message_id": 1320,
      "agent_id": 33,
      "delay": 6.106,
      "onscreen_delay": 5.363,
      "typing_delay": 0.743,
      "typing_duration": 15.001,
      "wpm": 37,
      "message": "แล้วก้เอา 3 ออกมา คำตอบเป็นเท่าไหร่คะ"
    },
    {
      "message_id": 1321,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 9.316,
      "typing_delay": 1.684,
      "typing_duration": 7.333,
      "wpm": 12,
      "message": "เป็น 8 "
    },
    {
      "message_id": 1322,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.77,
      "typing_delay": 0.228,
      "typing_duration": 9.185,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1323,
      "agent_id": 13,
      "delay": 5.184,
      "onscreen_delay": 5.027,
      "typing_delay": 0.157,
      "typing_duration": 9.477,
      "wpm": 78,
      "message": "แล้วก็เอา 8 ใส่ลงไปใน Stack จะเหลือเป็นค่าสุดท้าย "
    },
    {
      "message_id": 1324,
      "agent_id": 33,
      "delay": 5.455,
      "onscreen_delay": 4.746,
      "typing_delay": 0.709,
      "typing_duration": 10.971,
      "wpm": 19,
      "message": "นี่คือคำตอบของ"
    },
    {
      "message_id": 1325,
      "agent_id": 14,
      "delay": 6.97,
      "onscreen_delay": 6.97,
      "typing_delay": 0,
      "typing_duration": 5.995,
      "wpm": 70,
      "message": "โจทย์ข้อนี้ ได้เท่ากันเลยไหม "
    },
    {
      "message_id": 1326,
      "agent_id": 29,
      "delay": 2.967,
      "onscreen_delay": 2.41,
      "typing_delay": 0.557,
      "typing_duration": 5.758,
      "wpm": 49,
      "message": "ได้เท่ากันเลย คือ 8 "
    },
    {
      "message_id": 1327,
      "agent_id": 13,
      "delay": 1.757,
      "onscreen_delay": 1.402,
      "typing_delay": 0.355,
      "typing_duration": 10.034,
      "wpm": 61,
      "message": "จะเห็นว่านี่คือกระบวนการคอมพิวเตอร์คิดค่า"
    },
    {
      "message_id": 1328,
      "agent_id": 33,
      "delay": 6.033,
      "onscreen_delay": 5.433,
      "typing_delay": 0.6,
      "typing_duration": 15,
      "wpm": 31,
      "message": "ตัวเลขให้เรานะคะ กว่าจะได้เลข 8"
    },
    {
      "message_id": 1329,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.782,
      "typing_delay": 0.217,
      "typing_duration": 5.638,
      "wpm": 98,
      "message": "ออกมานี่ คอมพิวเตอร์ต้องคิดแบบนี้นะคะ "
    },
    {
      "message_id": 1330,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 2.868,
      "typing_delay": 4.13,
      "typing_duration": 4.13,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1331,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1332,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 6.231,
      "typing_delay": 4.77,
      "typing_duration": 4.77,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1333,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 4.653,
      "typing_delay": 2.345,
      "typing_duration": 4.975,
      "wpm": 12,
      "message": "โอเค "
    },
    {
      "message_id": 1334,
      "agent_id": 29,
      "delay": 3.555,
      "onscreen_delay": 0,
      "typing_delay": 3.555,
      "typing_duration": 5.977,
      "wpm": 30,
      "message": "ใครเสร็จแล้ว"
    },
    {
      "message_id": 1335,
      "agent_id": 13,
      "delay": 1.975,
      "onscreen_delay": 1.538,
      "typing_delay": 0.437,
      "typing_duration": 10.651,
      "wpm": 58,
      "message": "ครูให้เบรกอีก 5 นาที จดตัวนี้ให้เสร็จนะคะ "
    },
    {
      "message_id": 1336,
      "agent_id": 33,
      "delay": 6.649,
      "onscreen_delay": 5.764,
      "typing_delay": 0.885,
      "typing_duration": 8.374,
      "wpm": 30,
      "message": "ครูให้เบรก 5 นาที"
    },
    {
      "message_id": 1337,
      "agent_id": 14,
      "delay": 4.372,
      "onscreen_delay": 0.183,
      "typing_delay": 4.189,
      "typing_duration": 4.189,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1338,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1339,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1340,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1341,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 6.803,
      "typing_delay": 4.194,
      "typing_duration": 4.194,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1342,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1343,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1344,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1345,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 4.684,
      "typing_delay": 6.317,
      "typing_duration": 6.317,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1346,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1347,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1348,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1349,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 2.628,
      "typing_delay": 8.372,
      "typing_duration": 8.372,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1350,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1351,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1352,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1353,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1354,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1355,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1356,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1357,
      "agent_id": 14,
      "delay": 11.002,
      "onscreen_delay": 1.293,
      "typing_delay": 9.709,
      "typing_duration": 9.709,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1358,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1359,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1360,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1361,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1362,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1363,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1364,
      "agent_id": 33,
      "delay": 15.006,
      "onscreen_delay": 0,
      "typing_delay": 15.006,
      "typing_duration": 15.006,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1365,
      "agent_id": 14,
      "delay": 11.003,
      "onscreen_delay": 5.126,
      "typing_delay": 5.877,
      "typing_duration": 5.877,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1366,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1367,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1368,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1369,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1370,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1371,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1372,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1373,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1374,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1375,
      "agent_id": 13,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1376,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1377,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1378,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1379,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1380,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1381,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1382,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1383,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1384,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1385,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.646,
      "typing_delay": 4.354,
      "typing_duration": 4.354,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1386,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1387,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1388,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1389,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1390,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1391,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1392,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1393,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1394,
      "agent_id": 29,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1395,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1396,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1397,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 0.7,
      "typing_delay": 10.298,
      "typing_duration": 10.298,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1398,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1399,
      "agent_id": 13,
      "delay": 15.003,
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      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1489,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 1.494,
      "typing_delay": 9.505,
      "typing_duration": 9.505,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1490,
      "agent_id": 29,
      "delay": 8.422,
      "onscreen_delay": 0,
      "typing_delay": 8.422,
      "typing_duration": 8.422,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1491,
      "agent_id": 13,
      "delay": 4.419,
      "onscreen_delay": 2.513,
      "typing_delay": 1.906,
      "typing_duration": 6.65,
      "wpm": 59,
      "message": "ค่ะ เดี๋ยวมาต่ออีกนิดหนึ่ง "
    },
    {
      "message_id": 1492,
      "agent_id": 33,
      "delay": 7.155,
      "onscreen_delay": 0,
      "typing_delay": 7.155,
      "typing_duration": 7.155,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1493,
      "agent_id": 14,
      "delay": 3.154,
      "onscreen_delay": 1.723,
      "typing_delay": 1.431,
      "typing_duration": 6.76,
      "wpm": 64,
      "message": "คราวนี้มาดูอีก 1 ตัวอย่างนะคะ "
    },
    {
      "message_id": 1494,
      "agent_id": 29,
      "delay": 4.104,
      "onscreen_delay": 0,
      "typing_delay": 4.104,
      "typing_duration": 4.104,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1495,
      "agent_id": 13,
      "delay": 2.764,
      "onscreen_delay": 0,
      "typing_delay": 2.764,
      "typing_duration": 6.19,
      "wpm": 32,
      "message": "ครูมีโจทย์ให้ "
    },
    {
      "message_id": 1496,
      "agent_id": 33,
      "delay": 4.398,
      "onscreen_delay": 0,
      "typing_delay": 4.398,
      "typing_duration": 6.415,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1497,
      "agent_id": 14,
      "delay": 2.413,
      "onscreen_delay": 0.313,
      "typing_delay": 2.1,
      "typing_duration": 9.036,
      "wpm": 8,
      "message": "5 x 2 "
    },
    {
      "message_id": 1498,
      "agent_id": 29,
      "delay": 5.034,
      "onscreen_delay": 3.507,
      "typing_delay": 1.527,
      "typing_duration": 6.145,
      "wpm": 7,
      "message": "+ 2 "
    },
    {
      "message_id": 1499,
      "agent_id": 13,
      "delay": 2.864,
      "onscreen_delay": 0,
      "typing_delay": 2.864,
      "typing_duration": 5.604,
      "wpm": 29,
      "message": "ตอนนี้เราทำ"
    },
    {
      "message_id": 1500,
      "agent_id": 33,
      "delay": 1.602,
      "onscreen_delay": 0.747,
      "typing_delay": 0.855,
      "typing_duration": 15.001,
      "wpm": 18,
      "message": "จาก Prefix ให้เป็น "
    },
    {
      "message_id": 1501,
      "agent_id": 14,
      "delay": 10.996,
      "onscreen_delay": 10.402,
      "typing_delay": 0.594,
      "typing_duration": 9.939,
      "wpm": 24,
      "message": "Postfix ก่อนนะคะ "
    },
    {
      "message_id": 1502,
      "agent_id": 29,
      "delay": 6.994,
      "onscreen_delay": 6.485,
      "typing_delay": 0.509,
      "typing_duration": 7.405,
      "wpm": 18,
      "message": "อันดับแรก "
    },
    {
      "message_id": 1503,
      "agent_id": 13,
      "delay": 3.404,
      "onscreen_delay": 0.876,
      "typing_delay": 2.528,
      "typing_duration": 8.978,
      "wpm": 40,
      "message": "ต้องวาดตารางก่อนใช่ไหมคะ "
    },
    {
      "message_id": 1504,
      "agent_id": 33,
      "delay": 4.977,
      "onscreen_delay": 3.801,
      "typing_delay": 1.176,
      "typing_duration": 10.589,
      "wpm": 27,
      "message": "วาดตาราง Stack ว่าง"
    },
    {
      "message_id": 1505,
      "agent_id": 14,
      "delay": 6.587,
      "onscreen_delay": 6.519,
      "typing_delay": 0.068,
      "typing_duration": 6,
      "wpm": 80,
      "message": "ครูก็วาด 3 ช่องเหมือนเดิม แล้วก็"
    },
    {
      "message_id": 1506,
      "agent_id": 29,
      "delay": 2.586,
      "onscreen_delay": 2.216,
      "typing_delay": 0.37,
      "typing_duration": 7.929,
      "wpm": 61,
      "message": "ตรง Input ครูก็เอาข้อมูลแต่ละตัว"
    },
    {
      "message_id": 1507,
      "agent_id": 13,
      "delay": 3.927,
      "onscreen_delay": 3.927,
      "typing_delay": 0,
      "typing_duration": 5.923,
      "wpm": 51,
      "message": "มาใส่ลงในแต่ละบรรทัด "
    },
    {
      "message_id": 1508,
      "agent_id": 33,
      "delay": 5.759,
      "onscreen_delay": 0,
      "typing_delay": 5.759,
      "typing_duration": 5.759,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1509,
      "agent_id": 14,
      "delay": 4.718,
      "onscreen_delay": 0,
      "typing_delay": 4.718,
      "typing_duration": 4.718,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1510,
      "agent_id": 29,
      "delay": 11.132,
      "onscreen_delay": 0,
      "typing_delay": 11.132,
      "typing_duration": 11.132,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1511,
      "agent_id": 13,
      "delay": 7.129,
      "onscreen_delay": 1.067,
      "typing_delay": 6.062,
      "typing_duration": 6.062,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1512,
      "agent_id": 33,
      "delay": 3.125,
      "onscreen_delay": 1.969,
      "typing_delay": 1.156,
      "typing_duration": 15.001,
      "wpm": 29,
      "message": "เริ่มต้นเลย หย่อนเข้ามาตัวเลข"
    },
    {
      "message_id": 1513,
      "agent_id": 14,
      "delay": 10.996,
      "onscreen_delay": 10.697,
      "typing_delay": 0.299,
      "typing_duration": 8.368,
      "wpm": 75,
      "message": "คือ เลข 5 ใช่ไหม มันเป็นตัวเลข เพราะฉะนั้น "
    },
    {
      "message_id": 1514,
      "agent_id": 29,
      "delay": 6.992,
      "onscreen_delay": 6.073,
      "typing_delay": 0.919,
      "typing_duration": 8.643,
      "wpm": 31,
      "message": "เอาไปไว้ที่ Output "
    },
    {
      "message_id": 1515,
      "agent_id": 13,
      "delay": 4.639,
      "onscreen_delay": 4.146,
      "typing_delay": 0.493,
      "typing_duration": 13.322,
      "wpm": 45,
      "message": "นะคะ นะ ถ้าเป็นตัวเลข เอาไปไว้ที่ Output "
    },
    {
      "message_id": 1516,
      "agent_id": 33,
      "delay": 9.321,
      "onscreen_delay": 8.139,
      "typing_delay": 1.182,
      "typing_duration": 7.222,
      "wpm": 31,
      "message": "ได้เลย ตัวถัดมา"
    },
    {
      "message_id": 1517,
      "agent_id": 14,
      "delay": 5.32,
      "onscreen_delay": 4.496,
      "typing_delay": 0.824,
      "typing_duration": 6.017,
      "wpm": 35,
      "message": "เครื่องหมายคูณ "
    },
    {
      "message_id": 1518,
      "agent_id": 29,
      "delay": 2.014,
      "onscreen_delay": 1.509,
      "typing_delay": 0.505,
      "typing_duration": 6.218,
      "wpm": 65,
      "message": "แสดงว่าต้องเอาไปไว้ใน Stack "
    },
    {
      "message_id": 1519,
      "agent_id": 13,
      "delay": 2.215,
      "onscreen_delay": 1.205,
      "typing_delay": 1.01,
      "typing_duration": 8.427,
      "wpm": 55,
      "message": "ตอนนี้ Stack มันเป็น Stack ว่าง "
    },
    {
      "message_id": 1520,
      "agent_id": 33,
      "delay": 4.425,
      "onscreen_delay": 3.36,
      "typing_delay": 1.065,
      "typing_duration": 15.001,
      "wpm": 21,
      "message": "เราก็เลยเอาคูณมาใส่ใน"
    },
    {
      "message_id": 1521,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.669,
      "typing_delay": 0.331,
      "typing_duration": 7.82,
      "wpm": 46,
      "message": "Stack ได้เลย ส่วน Output "
    },
    {
      "message_id": 1522,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.755,
      "typing_delay": 0.243,
      "typing_duration": 5.569,
      "wpm": 57,
      "message": "ก็ยก 5 ลงมาเหมือนเดิม "
    },
    {
      "message_id": 1523,
      "agent_id": 13,
      "delay": 3.838,
      "onscreen_delay": 0,
      "typing_delay": 3.838,
      "typing_duration": 9.179,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1524,
      "agent_id": 33,
      "delay": 5.177,
      "onscreen_delay": 3.317,
      "typing_delay": 1.86,
      "typing_duration": 13.471,
      "wpm": 33,
      "message": "โอเคนะ ยังเป็นเหมือนเดิมอญู่นะ"
    },
    {
      "message_id": 1525,
      "agent_id": 14,
      "delay": 9.47,
      "onscreen_delay": 9.207,
      "typing_delay": 0.263,
      "typing_duration": 5.451,
      "wpm": 47,
      "message": "2 บรรทัดแรก ถัดมา"
    },
    {
      "message_id": 1526,
      "agent_id": 29,
      "delay": 5.466,
      "onscreen_delay": 5.109,
      "typing_delay": 0.357,
      "typing_duration": 4.607,
      "wpm": 46,
      "message": "เจอเลข 2 เลข 2 "
    },
    {
      "message_id": 1527,
      "agent_id": 13,
      "delay": 1.463,
      "onscreen_delay": 0.921,
      "typing_delay": 0.542,
      "typing_duration": 7.711,
      "wpm": 60,
      "message": "2 มันเป็นตัวเลข ต้องเอาไปไว้ที่ "
    },
    {
      "message_id": 1528,
      "agent_id": 33,
      "delay": 3.71,
      "onscreen_delay": 2.809,
      "typing_delay": 0.901,
      "typing_duration": 12.861,
      "wpm": 23,
      "message": "Output เพราะฉะนั้น 2 "
    },
    {
      "message_id": 1529,
      "agent_id": 14,
      "delay": 8.86,
      "onscreen_delay": 8.86,
      "typing_delay": 0,
      "typing_duration": 7.267,
      "wpm": 64,
      "message": "จะอยู่ต่อจากเลข 5 นะคะ ใน Stack "
    },
    {
      "message_id": 1530,
      "agent_id": 29,
      "delay": 4.859,
      "onscreen_delay": 4.68,
      "typing_delay": 0.179,
      "typing_duration": 4.137,
      "wpm": 65,
      "message": "ก็ยกลงมาเหมือนเดิม "
    },
    {
      "message_id": 1531,
      "agent_id": 13,
      "delay": 4.19,
      "onscreen_delay": 0,
      "typing_delay": 4.19,
      "typing_duration": 4.19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1532,
      "agent_id": 33,
      "delay": 2.126,
      "onscreen_delay": 0,
      "typing_delay": 2.126,
      "typing_duration": 12.162,
      "wpm": 16,
      "message": "ถึงตรงนี้นะคะ"
    },
    {
      "message_id": 1533,
      "agent_id": 14,
      "delay": 8.16,
      "onscreen_delay": 1.987,
      "typing_delay": 6.173,
      "typing_duration": 6.173,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1534,
      "agent_id": 29,
      "delay": 4.159,
      "onscreen_delay": 1.404,
      "typing_delay": 2.755,
      "typing_duration": 10.339,
      "wpm": 33,
      "message": "ถัดมาข้อมูลที่เราอ่านมา"
    },
    {
      "message_id": 1535,
      "agent_id": 13,
      "delay": 6.338,
      "onscreen_delay": 5.993,
      "typing_delay": 0.345,
      "typing_duration": 7.928,
      "wpm": 44,
      "message": "เครื่องหมายบวก พอเราเจอ"
    },
    {
      "message_id": 1536,
      "agent_id": 33,
      "delay": 3.925,
      "onscreen_delay": 2.908,
      "typing_delay": 1.017,
      "typing_duration": 15.003,
      "wpm": 34,
      "message": "เครื่องหมายบวก ครูบอกว่าต้องเอามัน"
    },
    {
      "message_id": 1537,
      "agent_id": 14,
      "delay": 11.002,
      "onscreen_delay": 11.002,
      "typing_delay": 0,
      "typing_duration": 7.673,
      "wpm": 68,
      "message": "ไปไว้ใน Stack แต่ก่อนอื่น ก่อนที่จะ"
    },
    {
      "message_id": 1538,
      "agent_id": 29,
      "delay": 7.001,
      "onscreen_delay": 7.001,
      "typing_delay": 0,
      "typing_duration": 5.95,
      "wpm": 53,
      "message": "เอาไปไว้ใน Stack เดิม"
    },
    {
      "message_id": 1539,
      "agent_id": 13,
      "delay": 3,
      "onscreen_delay": 3,
      "typing_delay": 0,
      "typing_duration": 13.058,
      "wpm": 70,
      "message": "เรามีข้อมูลใน Stack หรือเปล่า มีใช่หรือเปล่า มีเครื่องหมายคูณ "
    },
    {
      "message_id": 1540,
      "agent_id": 33,
      "delay": 9.056,
      "onscreen_delay": 6.323,
      "typing_delay": 2.733,
      "typing_duration": 15.001,
      "wpm": 16,
      "message": "เพราะฉะนั้นเราต้"
    },
    {
      "message_id": 1541,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 8.905,
      "wpm": 54,
      "message": "ต้องเปรียบเทียบความสำคัญก่อน บวก"
    },
    {
      "message_id": 1542,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.19,
      "typing_delay": 0.808,
      "typing_duration": 6.761,
      "wpm": 55,
      "message": "มันน้อยกว่าหรือมากกว่าคูณ "
    },
    {
      "message_id": 1543,
      "agent_id": 13,
      "delay": 2.997,
      "onscreen_delay": 2.334,
      "typing_delay": 0.663,
      "typing_duration": 5.765,
      "wpm": 49,
      "message": "น้อยกว่า ใช่ไหม บวก"
    },
    {
      "message_id": 1544,
      "agent_id": 33,
      "delay": 1.763,
      "onscreen_delay": 1.149,
      "typing_delay": 0.614,
      "typing_duration": 13.024,
      "wpm": 32,
      "message": "มีค่าน้อยกว่าคูณ เพราะฉะนั้น"
    },
    {
      "message_id": 1545,
      "agent_id": 14,
      "delay": 9.017,
      "onscreen_delay": 7.551,
      "typing_delay": 1.466,
      "typing_duration": 6.095,
      "wpm": 44,
      "message": "ทำอย่างไรคะ เอาคูณ"
    },
    {
      "message_id": 1546,
      "agent_id": 29,
      "delay": 5.016,
      "onscreen_delay": 4.615,
      "typing_delay": 0.401,
      "typing_duration": 4.277,
      "wpm": 18,
      "message": "ออกมา "
    },
    {
      "message_id": 1547,
      "agent_id": 13,
      "delay": 1.014,
      "onscreen_delay": 0.115,
      "typing_delay": 0.899,
      "typing_duration": 8.417,
      "wpm": 55,
      "message": "บวกมีค่าน้อยกว่าคูณ เพราะฉะนั้น "
    },
    {
      "message_id": 1548,
      "agent_id": 33,
      "delay": 4.416,
      "onscreen_delay": 3.188,
      "typing_delay": 1.228,
      "typing_duration": 7.292,
      "wpm": 14,
      "message": "ต้องเอา"
    },
    {
      "message_id": 1549,
      "agent_id": 14,
      "delay": 3.291,
      "onscreen_delay": 3.161,
      "typing_delay": 0.13,
      "typing_duration": 8.85,
      "wpm": 76,
      "message": "ข้อมูลที่อยู่บน Stack นี่ คือ คูณ เอามาไว้ที่ "
    },
    {
      "message_id": 1550,
      "agent_id": 29,
      "delay": 4.849,
      "onscreen_delay": 2.844,
      "typing_delay": 2.005,
      "typing_duration": 6.336,
      "wpm": 38,
      "message": "Output เห็นไหมคะ "
    },
    {
      "message_id": 1551,
      "agent_id": 13,
      "delay": 2.335,
      "onscreen_delay": 2.046,
      "typing_delay": 0.289,
      "typing_duration": 11.854,
      "wpm": 48,
      "message": "เอามาไว้ที่ Output เสร็จแล้ว เราถึงเอา"
    },
    {
      "message_id": 1552,
      "agent_id": 33,
      "delay": 7.85,
      "onscreen_delay": 7.197,
      "typing_delay": 0.653,
      "typing_duration": 15,
      "wpm": 32,
      "message": "เครื่องหมายบวก Push ลงไปใน Stack "
    },
    {
      "message_id": 1553,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.064,
      "typing_delay": 0.935,
      "typing_duration": 10.781,
      "wpm": 42,
      "message": "นะคะ แล้วค่อยเอาเครื่องหมายบวก"
    },
    {
      "message_id": 1554,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.822,
      "typing_delay": 0.176,
      "typing_duration": 8.469,
      "wpm": 74,
      "message": "ใส่ลงไปใน Stack ได้เลย เพราะ Stack มันว่าง "
    },
    {
      "message_id": 1555,
      "agent_id": 13,
      "delay": 4.465,
      "onscreen_delay": 2.935,
      "typing_delay": 1.53,
      "typing_duration": 9.548,
      "wpm": 46,
      "message": "เพราะฉะนั้น ตรง Output จะเป็น "
    },
    {
      "message_id": 1556,
      "agent_id": 33,
      "delay": 5.547,
      "onscreen_delay": 4.811,
      "typing_delay": 0.736,
      "typing_duration": 15,
      "wpm": 23,
      "message": "5, 2 แล้วก็เครื่องหมาย๕"
    },
    {
      "message_id": 1557,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 7.277,
      "typing_delay": 3.721,
      "typing_duration": 7.702,
      "wpm": 14,
      "message": "ทำไมคูณ"
    },
    {
      "message_id": 1558,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.312,
      "typing_delay": 0.685,
      "typing_duration": 8.187,
      "wpm": 64,
      "message": "ถึงต้องออกมา เพราะบวกมันน้อยกว่าคูณ "
    },
    {
      "message_id": 1559,
      "agent_id": 13,
      "delay": 4.185,
      "onscreen_delay": 2.395,
      "typing_delay": 1.79,
      "typing_duration": 7.91,
      "wpm": 51,
      "message": "เห็นไหมคะ บวกมันน้อยกว่าคูณ "
    },
    {
      "message_id": 1560,
      "agent_id": 33,
      "delay": 3.908,
      "onscreen_delay": 2.9,
      "typing_delay": 1.008,
      "typing_duration": 6.672,
      "wpm": 31,
      "message": "เลยเอาคูณออกมา"
    },
    {
      "message_id": 1561,
      "agent_id": 14,
      "delay": 2.666,
      "onscreen_delay": 1.785,
      "typing_delay": 0.881,
      "typing_duration": 5.402,
      "wpm": 56,
      "message": "ถัดมาเลขอะไรคะ เลข 2 "
    },
    {
      "message_id": 1562,
      "agent_id": 29,
      "delay": 1.399,
      "onscreen_delay": 1.267,
      "typing_delay": 0.132,
      "typing_duration": 9.894,
      "wpm": 70,
      "message": "เอาไปไว้ที่ Output ได้เลย ก็เอามันไปต่อท้ายคูณ "
    },
    {
      "message_id": 1563,
      "agent_id": 13,
      "delay": 5.892,
      "onscreen_delay": 5.002,
      "typing_delay": 0.89,
      "typing_duration": 11.979,
      "wpm": 56,
      "message": "เอามันมาต่อท้ายคูณใช้หรือเปล่า เพราะมันคือคูณ"
    },
    {
      "message_id": 1564,
      "agent_id": 33,
      "delay": 7.978,
      "onscreen_delay": 6.398,
      "typing_delay": 1.58,
      "typing_duration": 9.884,
      "wpm": 23,
      "message": "เอา 2 มาต่อท้าย"
    },
    {
      "message_id": 1565,
      "agent_id": 14,
      "delay": 5.883,
      "onscreen_delay": 1.696,
      "typing_delay": 4.187,
      "typing_duration": 4.187,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1566,
      "agent_id": 29,
      "delay": 1.88,
      "onscreen_delay": 0.068,
      "typing_delay": 1.812,
      "typing_duration": 7.464,
      "wpm": 58,
      "message": "ตอนนี้เราอ่านข้อมูลครบหมดแล้ว "
    },
    {
      "message_id": 1567,
      "agent_id": 13,
      "delay": 3.463,
      "onscreen_delay": 2.45,
      "typing_delay": 1.013,
      "typing_duration": 11.627,
      "wpm": 55,
      "message": "แต่ใน Stack มันยังมีบวกค้างอยู่ เพราะฉะนั้น "
    },
    {
      "message_id": 1568,
      "agent_id": 33,
      "delay": 7.625,
      "onscreen_delay": 6.664,
      "typing_delay": 0.961,
      "typing_duration": 15.001,
      "wpm": 19,
      "message": "ต้อง Pop มันออกมา แ"
    },
    {
      "message_id": 1569,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.301,
      "typing_delay": 0.699,
      "typing_duration": 7.099,
      "wpm": 66,
      "message": "นะคะ Pop มันออกมาและไว้ข้างหลัง "
    },
    {
      "message_id": 1570,
      "agent_id": 29,
      "delay": 6.994,
      "onscreen_delay": 1.331,
      "typing_delay": 5.663,
      "typing_duration": 5.663,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1571,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1572,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1573,
      "agent_id": 14,
      "delay": 12.168,
      "onscreen_delay": 0,
      "typing_delay": 12.168,
      "typing_duration": 12.168,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1574,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1575,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1576,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1577,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 5.351,
      "typing_delay": 5.646,
      "typing_duration": 5.646,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1578,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1579,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1580,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 6.912,
      "typing_delay": 4.085,
      "typing_duration": 9.687,
      "wpm": 9,
      "message": "โอเคนะ"
    },
    {
      "message_id": 1581,
      "agent_id": 14,
      "delay": 6.995,
      "onscreen_delay": 6.634,
      "typing_delay": 0.361,
      "typing_duration": 5.828,
      "wpm": 85,
      "message": "แบบฝึกหัด ช่วยครูทำหน่อยตอนนี้เลย "
    },
    {
      "message_id": 1582,
      "agent_id": 29,
      "delay": 2.99,
      "onscreen_delay": 2.975,
      "typing_delay": 0.015,
      "typing_duration": 9.495,
      "wpm": 36,
      "message": "ครูโจทย์ให้นะคะ 3 หาร 1 "
    },
    {
      "message_id": 1583,
      "agent_id": 13,
      "delay": 5.491,
      "onscreen_delay": 4.731,
      "typing_delay": 0.76,
      "typing_duration": 6.617,
      "wpm": 52,
      "message": "ลบ 2 แล้วครูก็บอกว่าหาร"
    },
    {
      "message_id": 1584,
      "agent_id": 33,
      "delay": 2.614,
      "onscreen_delay": 1.844,
      "typing_delay": 0.77,
      "typing_duration": 9.801,
      "wpm": 35,
      "message": "นี่ มันมีค่ามากกว่าลบนะ "
    },
    {
      "message_id": 1585,
      "agent_id": 14,
      "delay": 5.8,
      "onscreen_delay": 5.074,
      "typing_delay": 0.726,
      "typing_duration": 10.273,
      "wpm": 31,
      "message": "หาค่าผลลัพธ์ของนิพจน์ "
    },
    {
      "message_id": 1586,
      "agent_id": 29,
      "delay": 6.271,
      "onscreen_delay": 4.85,
      "typing_delay": 1.421,
      "typing_duration": 12.91,
      "wpm": 22,
      "message": "Postfix ให้ครูหน่อย "
    },
    {
      "message_id": 1587,
      "agent_id": 13,
      "delay": 8.905,
      "onscreen_delay": 8.34,
      "typing_delay": 0.565,
      "typing_duration": 5.734,
      "wpm": 47,
      "message": "จะได้อะไร เริ่มต้น "
    },
    {
      "message_id": 1588,
      "agent_id": 33,
      "delay": 4.903,
      "onscreen_delay": 4.276,
      "typing_delay": 0.627,
      "typing_duration": 7.024,
      "wpm": 34,
      "message": "ทุกคนตีตารางก่อน"
    },
    {
      "message_id": 1589,
      "agent_id": 14,
      "delay": 5.542,
      "onscreen_delay": 0,
      "typing_delay": 5.542,
      "typing_duration": 5.542,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1590,
      "agent_id": 29,
      "delay": 10.486,
      "onscreen_delay": 0,
      "typing_delay": 10.486,
      "typing_duration": 10.486,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1591,
      "agent_id": 13,
      "delay": 6.484,
      "onscreen_delay": 3.547,
      "typing_delay": 2.937,
      "typing_duration": 9.392,
      "wpm": 37,
      "message": "ลองทำดูสิคะ มีกระดาษไหม "
    },
    {
      "message_id": 1592,
      "agent_id": 33,
      "delay": 5.391,
      "onscreen_delay": 4.555,
      "typing_delay": 0.836,
      "typing_duration": 9.147,
      "wpm": 30,
      "message": "ไม่มีมาเอาข้างหน้า"
    },
    {
      "message_id": 1593,
      "agent_id": 14,
      "delay": 5.145,
      "onscreen_delay": 3.099,
      "typing_delay": 2.046,
      "typing_duration": 5.248,
      "wpm": 46,
      "message": "ครูมีกระดาษให้นะ "
    },
    {
      "message_id": 1594,
      "agent_id": 29,
      "delay": 4.114,
      "onscreen_delay": 0,
      "typing_delay": 4.114,
      "typing_duration": 4.114,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1595,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1596,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 6.451,
      "typing_delay": 4.547,
      "typing_duration": 12.139,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1597,
      "agent_id": 14,
      "delay": 8.133,
      "onscreen_delay": 8.133,
      "typing_delay": 0,
      "typing_duration": 7.205,
      "wpm": 65,
      "message": "แบบฝึกหัด 1 ข้อนะคะ ทำตอนนี้เลย "
    },
    {
      "message_id": 1598,
      "agent_id": 29,
      "delay": 4.963,
      "onscreen_delay": 0,
      "typing_delay": 4.963,
      "typing_duration": 4.963,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1599,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1600,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 4.11,
      "typing_delay": 6.89,
      "typing_duration": 6.89,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1601,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 4.562,
      "typing_delay": 2.436,
      "typing_duration": 6.953,
      "wpm": 54,
      "message": "เหมือนกับโจทย์ที่ครูให้ไป"
    },
    {
      "message_id": 1602,
      "agent_id": 29,
      "delay": 2.995,
      "onscreen_delay": 2.254,
      "typing_delay": 0.741,
      "typing_duration": 10.908,
      "wpm": 44,
      "message": "นะคะ คล้าย ๆ กับโจทย์ที่ครูให้ไป "
    },
    {
      "message_id": 1603,
      "agent_id": 13,
      "delay": 6.907,
      "onscreen_delay": 6.401,
      "typing_delay": 0.506,
      "typing_duration": 4.271,
      "wpm": 42,
      "message": "จดแล้วด้วยนะ "
    },
    {
      "message_id": 1604,
      "agent_id": 33,
      "delay": 5.667,
      "onscreen_delay": 0,
      "typing_delay": 5.667,
      "typing_duration": 5.667,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1605,
      "agent_id": 14,
      "delay": 4.12,
      "onscreen_delay": 0,
      "typing_delay": 4.12,
      "typing_duration": 4.12,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1606,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1607,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1608,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1609,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1610,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1611,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1612,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1613,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.416,
      "typing_delay": 4.584,
      "typing_duration": 4.584,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1614,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1615,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1616,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1617,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 6.866,
      "typing_delay": 4.132,
      "typing_duration": 4.132,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1618,
      "agent_id": 29,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1619,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1620,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1621,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 5.854,
      "typing_delay": 5.144,
      "typing_duration": 5.144,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1622,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1623,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1624,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1625,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1626,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1627,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1628,
      "agent_id": 33,
      "delay": 11.442,
      "onscreen_delay": 0,
      "typing_delay": 11.442,
      "typing_duration": 11.442,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1629,
      "agent_id": 14,
      "delay": 7.436,
      "onscreen_delay": 6.787,
      "typing_delay": 0.649,
      "typing_duration": 7.77,
      "wpm": 81,
      "message": "เหมือนโจทย์สุดท้ายที่ครูให้ไปเมื่อกี้เลยนะ "
    },
    {
      "message_id": 1630,
      "agent_id": 29,
      "delay": 4.417,
      "onscreen_delay": 0,
      "typing_delay": 4.417,
      "typing_duration": 6.816,
      "wpm": 4,
      "message": "ลบ "
    },
    {
      "message_id": 1631,
      "agent_id": 13,
      "delay": 2.814,
      "onscreen_delay": 1.75,
      "typing_delay": 1.064,
      "typing_duration": 7.7,
      "wpm": 51,
      "message": "มันน้อยกว่าหารใช่ไหมคะ เรา"
    },
    {
      "message_id": 1632,
      "agent_id": 33,
      "delay": 3.699,
      "onscreen_delay": 2.855,
      "typing_delay": 0.844,
      "typing_duration": 15,
      "wpm": 31,
      "message": "เปรียบเทียบกัน ลบมันน้อยกว่าหาร"
    },
    {
      "message_id": 1633,
      "agent_id": 14,
      "delay": 10.996,
      "onscreen_delay": 9.02,
      "typing_delay": 1.976,
      "typing_duration": 7.306,
      "wpm": 23,
      "message": "เพราะฉะนั้น "
    },
    {
      "message_id": 1634,
      "agent_id": 29,
      "delay": 6.994,
      "onscreen_delay": 5.365,
      "typing_delay": 1.629,
      "typing_duration": 4.79,
      "wpm": 53,
      "message": "ก็ต้องเอาหารออกมา "
    },
    {
      "message_id": 1635,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1636,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1637,
      "agent_id": 14,
      "delay": 11.003,
      "onscreen_delay": 6.661,
      "typing_delay": 4.342,
      "typing_duration": 4.342,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1638,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1639,
      "agent_id": 13,
      "delay": 15.002,
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      "message": "เอา 3 ไปไว้ที่ไหนคะ ที่ Output "
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      "delay": 10.997,
      "onscreen_delay": 10.565,
      "typing_delay": 0.432,
      "typing_duration": 6.522,
      "wpm": 83,
      "message": "ยกลงมาก่อน เสร็จแล้วก็เติมเลข 1 ลงไป "
    },
    {
      "message_id": 1726,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 5.893,
      "typing_delay": 1.103,
      "typing_duration": 13.352,
      "wpm": 27,
      "message": "ใน Stack ยังเหมือนเดิมนะ "
    },
    {
      "message_id": 1727,
      "agent_id": 13,
      "delay": 9.35,
      "onscreen_delay": 9.34,
      "typing_delay": 0.01,
      "typing_duration": 11.603,
      "wpm": 57,
      "message": "เรายังมีเครื่องหมายหารอยู่ เราก็ยกลงมาได้เลย "
    },
    {
      "message_id": 1728,
      "agent_id": 33,
      "delay": 7.602,
      "onscreen_delay": 4.197,
      "typing_delay": 3.405,
      "typing_duration": 8.358,
      "wpm": 9,
      "message": "ถัดมา"
    },
    {
      "message_id": 1729,
      "agent_id": 14,
      "delay": 4.357,
      "onscreen_delay": 4.175,
      "typing_delay": 0.182,
      "typing_duration": 7.78,
      "wpm": 77,
      "message": "เครื่องหมายลบใช่ไหมคะ เดิมใน Stack เรามี"
    },
    {
      "message_id": 1730,
      "agent_id": 29,
      "delay": 3.779,
      "onscreen_delay": 3.299,
      "typing_delay": 0.48,
      "typing_duration": 7.298,
      "wpm": 72,
      "message": "หารอยู่แล้วใช่ไหม ครูเขียนให้ดูก่อน "
    },
    {
      "message_id": 1731,
      "agent_id": 13,
      "delay": 3.297,
      "onscreen_delay": 3,
      "typing_delay": 0.297,
      "typing_duration": 11.23,
      "wpm": 51,
      "message": "เรามีหารอยู่แล้วนี่ เราเอาลบมาเทียบกับ"
    },
    {
      "message_id": 1732,
      "agent_id": 33,
      "delay": 7.228,
      "onscreen_delay": 6.612,
      "typing_delay": 0.616,
      "typing_duration": 15.001,
      "wpm": 13,
      "message": "หาร ปรากฎว่าค"
    },
    {
      "message_id": 1733,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 10.648,
      "typing_delay": 0.352,
      "typing_duration": 5.583,
      "wpm": 43,
      "message": "ค่าลบมันน้อยกว่า "
    },
    {
      "message_id": 1734,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 4.096,
      "typing_delay": 2.902,
      "typing_duration": 5.525,
      "wpm": 33,
      "message": "ให้ทำอย่างไร "
    },
    {
      "message_id": 1735,
      "agent_id": 13,
      "delay": 2.997,
      "onscreen_delay": 2.563,
      "typing_delay": 0.434,
      "typing_duration": 7.138,
      "wpm": 57,
      "message": "ให้เอาหารนี่ เอาออกมาไว้ที่ "
    },
    {
      "message_id": 1736,
      "agent_id": 33,
      "delay": 3.136,
      "onscreen_delay": 1.981,
      "typing_delay": 1.155,
      "typing_duration": 15,
      "wpm": 28,
      "message": "Output เพราะฉะนั้น จะได้เป็น"
    },
    {
      "message_id": 1737,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 7.24,
      "wpm": 70,
      "message": "3, 1 แล้วก็หาร ตรงนี้หายไปใช่ไหมคะ "
    },
    {
      "message_id": 1738,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 5.284,
      "typing_delay": 1.712,
      "typing_duration": 5.862,
      "wpm": 49,
      "message": "เสร็จแล้วก็ใส่ค่าลบ"
    },
    {
      "message_id": 1739,
      "agent_id": 13,
      "delay": 2.995,
      "onscreen_delay": 2.937,
      "typing_delay": 0.058,
      "typing_duration": 5.733,
      "wpm": 31,
      "message": "ลงมาใน Stack "
    },
    {
      "message_id": 1740,
      "agent_id": 33,
      "delay": 1.732,
      "onscreen_delay": 0.406,
      "typing_delay": 1.326,
      "typing_duration": 14.381,
      "wpm": 15,
      "message": "ถัดมาหย่อนอะไร"
    },
    {
      "message_id": 1741,
      "agent_id": 14,
      "delay": 10.379,
      "onscreen_delay": 10.199,
      "typing_delay": 0.18,
      "typing_duration": 8.402,
      "wpm": 75,
      "message": "ยกของเดิมลงมาก่อนที่ Output แล้วก็ใส่เลข 2 "
    },
    {
      "message_id": 1742,
      "agent_id": 29,
      "delay": 6.374,
      "onscreen_delay": 3.743,
      "typing_delay": 2.631,
      "typing_duration": 8.957,
      "wpm": 32,
      "message": "ใน Stack หรืออะไรคะ "
    },
    {
      "message_id": 1743,
      "agent_id": 13,
      "delay": 4.956,
      "onscreen_delay": 4.956,
      "typing_delay": 0,
      "typing_duration": 6.985,
      "wpm": 75,
      "message": "เครื่องหมายลบใช่ไม อ่านครบหมดแล้วนะ "
    },
    {
      "message_id": 1744,
      "agent_id": 33,
      "delay": 2.984,
      "onscreen_delay": 1.531,
      "typing_delay": 1.453,
      "typing_duration": 15.001,
      "wpm": 11,
      "message": "แต่ใน Stack "
    },
    {
      "message_id": 1745,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 10.869,
      "typing_delay": 0.129,
      "typing_duration": 8.281,
      "wpm": 60,
      "message": "เราต้องเอาค่าจาก Stack ออกมา เป็น "
    },
    {
      "message_id": 1746,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.168,
      "typing_delay": 0.829,
      "typing_duration": 8.881,
      "wpm": 39,
      "message": "3 1 หาร 2 แล้วอะไรคะ ลบ "
    },
    {
      "message_id": 1747,
      "agent_id": 13,
      "delay": 4.879,
      "onscreen_delay": 3.408,
      "typing_delay": 1.471,
      "typing_duration": 5.781,
      "wpm": 18,
      "message": "เห็นไหม "
    },
    {
      "message_id": 1748,
      "agent_id": 33,
      "delay": 1.78,
      "onscreen_delay": 1.072,
      "typing_delay": 0.708,
      "typing_duration": 15.001,
      "wpm": 46,
      "message": "เราเอาค่าที่อยู๋ใน Stack ตัวสุดท้ายมาใส่ข้างหล"
    },
    {
      "message_id": 1749,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.897,
      "typing_delay": 0.102,
      "typing_duration": 4.286,
      "wpm": 35,
      "message": "ได้เลยนะคะ "
    },
    {
      "message_id": 1750,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 4.682,
      "typing_delay": 2.315,
      "typing_duration": 4.36,
      "wpm": 14,
      "message": "โอเค "
    },
    {
      "message_id": 1751,
      "agent_id": 13,
      "delay": 2.996,
      "onscreen_delay": 0.047,
      "typing_delay": 2.949,
      "typing_duration": 11.51,
      "wpm": 14,
      "message": "อีกข้อหนึ่ง "
    },
    {
      "message_id": 1752,
      "agent_id": 33,
      "delay": 7.509,
      "onscreen_delay": 6.575,
      "typing_delay": 0.934,
      "typing_duration": 15.002,
      "wpm": 38,
      "message": "แล้วจะให้เลิก ครูให้โจทย์มาแค่นี้เอง ว"
    },
    {
      "message_id": 1753,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.939,
      "typing_delay": 4.061,
      "typing_duration": 4.061,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1754,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1755,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1756,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 4.283,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1757,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 4.834,
      "typing_delay": 2.164,
      "typing_duration": 7.418,
      "wpm": 40,
      "message": "โจทย์ข้อนี้อันดับแรก"
    },
    {
      "message_id": 1758,
      "agent_id": 29,
      "delay": 3.417,
      "onscreen_delay": 2.613,
      "typing_delay": 0.804,
      "typing_duration": 7.224,
      "wpm": 54,
      "message": "วาดตารางก่อนเลย ตีตารางค่ะ "
    },
    {
      "message_id": 1759,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1760,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1761,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1762,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1763,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1764,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1765,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 2.592,
      "typing_delay": 8.406,
      "typing_duration": 8.406,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1766,
      "agent_id": 29,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1767,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1768,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1769,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1770,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1771,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1772,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1773,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1774,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1775,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1776,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1777,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1778,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1779,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1780,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1781,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1782,
      "agent_id": 29,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1783,
      "agent_id": 13,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1784,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1785,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1786,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1787,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1788,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1789,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1790,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1791,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1792,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1793,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1794,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1795,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1796,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 7.556,
      "typing_delay": 3.442,
      "typing_duration": 8.936,
      "wpm": 17,
      "message": "ดูนิดหนึ่ง"
    },
    {
      "message_id": 1797,
      "agent_id": 14,
      "delay": 6.995,
      "onscreen_delay": 4.765,
      "typing_delay": 2.23,
      "typing_duration": 5.79,
      "wpm": 39,
      "message": "คูณมันมากกว่าลบ"
    },
    {
      "message_id": 1798,
      "agent_id": 29,
      "delay": 2.994,
      "onscreen_delay": 2.581,
      "typing_delay": 0.413,
      "typing_duration": 8.011,
      "wpm": 62,
      "message": "ใช่หรือเปล่า คูณมันมีค่ามากกว่าลบ "
    },
    {
      "message_id": 1799,
      "agent_id": 13,
      "delay": 4.008,
      "onscreen_delay": 3.282,
      "typing_delay": 0.726,
      "typing_duration": 8.846,
      "wpm": 46,
      "message": "ก็ Push คูณลง  Stack ได้เลย"
    },
    {
      "message_id": 1800,
      "agent_id": 33,
      "delay": 4.844,
      "onscreen_delay": 3.781,
      "typing_delay": 1.063,
      "typing_duration": 11.417,
      "wpm": 17,
      "message": "นะคะ Push คูณ"
    },
    {
      "message_id": 1801,
      "agent_id": 14,
      "delay": 7.416,
      "onscreen_delay": 7.416,
      "typing_delay": 0,
      "typing_duration": 4.703,
      "wpm": 54,
      "message": "ลงใน Stack ได้เลย"
    },
    {
      "message_id": 1802,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1803,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
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      "message_id": 1805,
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      "delay": 15.004,
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      "delay": 15.003,
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      "message_id": 1807,
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      "typing_delay": 15.002,
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      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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      "message_id": 1817,
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      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
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    {
      "message_id": 1818,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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    {
      "message_id": 1819,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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    {
      "message_id": 1820,
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      "delay": 15.002,
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      "typing_delay": 15.002,
      "typing_duration": 15.002,
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    {
      "message_id": 1821,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 3.671,
      "typing_delay": 7.329,
      "typing_duration": 7.329,
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      "message_id": 1822,
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      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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      "message_id": 1823,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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      "message_id": 1824,
      "agent_id": 33,
      "delay": 15.003,
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      "message_id": 1825,
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      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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      "message_id": 1826,
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      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
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      "message_id": 1827,
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      "message_id": 1828,
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      "delay": 15.001,
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      "typing_delay": 15.001,
      "typing_duration": 15.001,
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      "message_id": 1829,
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      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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    {
      "message_id": 1830,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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    {
      "message_id": 1831,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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    {
      "message_id": 1832,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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    {
      "message_id": 1833,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 2.268,
      "typing_delay": 8.732,
      "typing_duration": 8.732,
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    {
      "message_id": 1834,
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      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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    {
      "message_id": 1835,
      "agent_id": 13,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
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    {
      "message_id": 1836,
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      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
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    {
      "message_id": 1837,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
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    {
      "message_id": 1838,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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    {
      "message_id": 1839,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
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    {
      "message_id": 1840,
      "agent_id": 33,
      "delay": 15.003,
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      "typing_delay": 15.003,
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    {
      "message_id": 1841,
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      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
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    {
      "message_id": 1842,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
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    },
    {
      "message_id": 1843,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
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    {
      "message_id": 1844,
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      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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    {
      "message_id": 1845,
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      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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    {
      "message_id": 1846,
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      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
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    {
      "message_id": 1847,
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      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
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    {
      "message_id": 1848,
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    {
      "message_id": 1849,
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    {
      "message_id": 1850,
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      "message_id": 1851,
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      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
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    {
      "message_id": 1853,
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      "delay": 11,
      "onscreen_delay": 6.715,
      "typing_delay": 4.285,
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    {
      "message_id": 1854,
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      "typing_duration": 15.001,
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    {
      "message_id": 1855,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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      "message": ""
    },
    {
      "message_id": 1856,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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      "message": ""
    },
    {
      "message_id": 1857,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1858,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1859,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1860,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1861,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 2.924,
      "typing_delay": 8.073,
      "typing_duration": 8.073,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1862,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 3.488,
      "typing_delay": 3.507,
      "typing_duration": 6.134,
      "wpm": 10,
      "message": "โอเค "
    },
    {
      "message_id": 1863,
      "agent_id": 13,
      "delay": 3.337,
      "onscreen_delay": 0,
      "typing_delay": 3.337,
      "typing_duration": 5.373,
      "wpm": 22,
      "message": "มาดูนะคะ "
    },
    {
      "message_id": 1864,
      "agent_id": 33,
      "delay": 1.372,
      "onscreen_delay": 0.36,
      "typing_delay": 1.012,
      "typing_duration": 6.413,
      "wpm": 14,
      "message": "นะคะ 6"
    },
    {
      "message_id": 1865,
      "agent_id": 14,
      "delay": 2.412,
      "onscreen_delay": 2.29,
      "typing_delay": 0.122,
      "typing_duration": 7.901,
      "wpm": 76,
      "message": "เป็นตัวเลข เอาไว้ที่ Output ใช่หรือเปล่า "
    },
    {
      "message_id": 1866,
      "agent_id": 29,
      "delay": 3.9,
      "onscreen_delay": 2.964,
      "typing_delay": 0.936,
      "typing_duration": 6.465,
      "wpm": 53,
      "message": "ลบ เอาไว้ที่ Stack นะคะ "
    },
    {
      "message_id": 1867,
      "agent_id": 13,
      "delay": 2.463,
      "onscreen_delay": 1.673,
      "typing_delay": 0.79,
      "typing_duration": 5.509,
      "wpm": 52,
      "message": "6 ก็ใส่มาเหมือนเดิม "
    },
    {
      "message_id": 1868,
      "agent_id": 33,
      "delay": 1.507,
      "onscreen_delay": 0.428,
      "typing_delay": 1.079,
      "typing_duration": 15.002,
      "wpm": 26,
      "message": "5 เอาไว้ที่ไหนคะ เอาไว้ที่"
    },
    {
      "message_id": 1869,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 9.968,
      "typing_delay": 1.032,
      "typing_duration": 7.531,
      "wpm": 56,
      "message": "Stack ก็ยกลงมาเหมือนเดิมนะคะ "
    },
    {
      "message_id": 1870,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 5.548,
      "typing_delay": 1.451,
      "typing_duration": 5.658,
      "wpm": 21,
      "message": "ถัดมาคูณ "
    },
    {
      "message_id": 1871,
      "agent_id": 13,
      "delay": 6.266,
      "onscreen_delay": 0,
      "typing_delay": 6.266,
      "typing_duration": 8.137,
      "wpm": 11,
      "message": "เจอคูณ"
    },
    {
      "message_id": 1872,
      "agent_id": 33,
      "delay": 4.134,
      "onscreen_delay": 3.605,
      "typing_delay": 0.529,
      "typing_duration": 15.001,
      "wpm": 19,
      "message": "ใช่ไหมคะ เจอคูณให้เ"
    },
    {
      "message_id": 1873,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 9.641,
      "typing_delay": 1.359,
      "typing_duration": 7.67,
      "wpm": 49,
      "message": "ปรากฏว่าคูณมีค่ามากกว่าลบ "
    },
    {
      "message_id": 1874,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 5.655,
      "typing_delay": 1.343,
      "typing_duration": 8.158,
      "wpm": 37,
      "message": "ให้ Push คูณลง Stack "
    },
    {
      "message_id": 1875,
      "agent_id": 13,
      "delay": 4.155,
      "onscreen_delay": 3.977,
      "typing_delay": 0.178,
      "typing_duration": 4.049,
      "wpm": 67,
      "message": "ได้เลย เพราะฉะนั้น "
    },
    {
      "message_id": 1876,
      "agent_id": 33,
      "delay": 2.182,
      "onscreen_delay": 0,
      "typing_delay": 2.182,
      "typing_duration": 15.001,
      "wpm": 19,
      "message": "Stack เดิมเป็น push "
    },
    {
      "message_id": 1877,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 7.422,
      "wpm": 77,
      "message": "ครูบอกว่า Push ลงมาได้เลยนะคะ เพราะคูณ"
    },
    {
      "message_id": 1878,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.103,
      "typing_delay": 0.895,
      "typing_duration": 6.197,
      "wpm": 65,
      "message": "มันมากกว่านะ มันมากกว่านะคะ "
    },
    {
      "message_id": 1879,
      "agent_id": 13,
      "delay": 2.997,
      "onscreen_delay": 1.433,
      "typing_delay": 1.564,
      "typing_duration": 7.441,
      "wpm": 40,
      "message": "ข้างหลัง คือ 6 กับ 5 "
    },
    {
      "message_id": 1880,
      "agent_id": 33,
      "delay": 3.44,
      "onscreen_delay": 0.397,
      "typing_delay": 3.043,
      "typing_duration": 14.532,
      "wpm": 7,
      "message": "ถัดมา 2 "
    },
    {
      "message_id": 1881,
      "agent_id": 14,
      "delay": 10.532,
      "onscreen_delay": 10.532,
      "typing_delay": 0,
      "typing_duration": 6.802,
      "wpm": 55,
      "message": "เป็นตัวเลขไว้ข้างหลังนะคะ "
    },
    {
      "message_id": 1882,
      "agent_id": 29,
      "delay": 6.53,
      "onscreen_delay": 4.872,
      "typing_delay": 1.658,
      "typing_duration": 5.672,
      "wpm": 53,
      "message": "Stack มีเท่าไรยกลงมา "
    },
    {
      "message_id": 1883,
      "agent_id": 13,
      "delay": 2.529,
      "onscreen_delay": 1.13,
      "typing_delay": 1.399,
      "typing_duration": 8.932,
      "wpm": 54,
      "message": "โอเค เสร็จแล้ว หมดแล้วนะ ผลลัพธ์"
    },
    {
      "message_id": 1884,
      "agent_id": 33,
      "delay": 4.931,
      "onscreen_delay": 4.154,
      "typing_delay": 0.777,
      "typing_duration": 11.449,
      "wpm": 28,
      "message": "สุดท้ายที่ได้ 6, 5, 2 "
    },
    {
      "message_id": 1885,
      "agent_id": 14,
      "delay": 7.447,
      "onscreen_delay": 7.166,
      "typing_delay": 0.281,
      "typing_duration": 6.443,
      "wpm": 77,
      "message": "เอาคูณออกมาก่อน แล้วตามด้วยลบนะคะ "
    },
    {
      "message_id": 1886,
      "agent_id": 29,
      "delay": 3.446,
      "onscreen_delay": 2.316,
      "typing_delay": 1.13,
      "typing_duration": 5.93,
      "wpm": 25,
      "message": "เห็นนะโอเค"
    },
    {
      "message_id": 1887,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1888,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 7.352,
      "typing_delay": 3.647,
      "typing_duration": 7.44,
      "wpm": 14,
      "message": "ทุกคนดู"
    },
    {
      "message_id": 1889,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.701,
      "typing_delay": 0.297,
      "typing_duration": 5.101,
      "wpm": 12,
      "message": "นะคะ "
    },
    {
      "message_id": 1890,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1891,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1892,
      "agent_id": 33,
      "delay": 12.739,
      "onscreen_delay": 0,
      "typing_delay": 12.739,
      "typing_duration": 12.739,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1893,
      "agent_id": 14,
      "delay": 8.733,
      "onscreen_delay": 5.8,
      "typing_delay": 2.933,
      "typing_duration": 8.2,
      "wpm": 20,
      "message": "เราสังเกตนะ "
    },
    {
      "message_id": 1894,
      "agent_id": 29,
      "delay": 4.729,
      "onscreen_delay": 2.42,
      "typing_delay": 2.309,
      "typing_duration": 7.972,
      "wpm": 19,
      "message": "ทำไมตัวนี้ "
    },
    {
      "message_id": 1895,
      "agent_id": 13,
      "delay": 3.97,
      "onscreen_delay": 3.434,
      "typing_delay": 0.536,
      "typing_duration": 12.591,
      "wpm": 56,
      "message": "เอาหารออกมา ตัวนี้ไม่ได้เอาอะไรออกมานะคะ ตัวนี้ "
    },
    {
      "message_id": 1896,
      "agent_id": 33,
      "delay": 8.59,
      "onscreen_delay": 7.652,
      "typing_delay": 0.938,
      "typing_duration": 8.001,
      "wpm": 34,
      "message": "วิธีการสังเกต โอเค"
    },
    {
      "message_id": 1897,
      "agent_id": 14,
      "delay": 4.589,
      "onscreen_delay": 4.007,
      "typing_delay": 0.582,
      "typing_duration": 7.76,
      "wpm": 31,
      "message": "ลบเทียบกับหาร ลบ"
    },
    {
      "message_id": 1898,
      "agent_id": 29,
      "delay": 3.759,
      "onscreen_delay": 3.618,
      "typing_delay": 0.141,
      "typing_duration": 8.079,
      "wpm": 52,
      "message": "มันมีค่าน้อยกว่าหารเห็นไหมคะ "
    },
    {
      "message_id": 1899,
      "agent_id": 13,
      "delay": 4.075,
      "onscreen_delay": 3.857,
      "typing_delay": 0.218,
      "typing_duration": 6.58,
      "wpm": 41,
      "message": "ลบมีค่าน้อยกว่าหาร "
    },
    {
      "message_id": 1900,
      "agent_id": 33,
      "delay": 2.579,
      "onscreen_delay": 0.569,
      "typing_delay": 2.01,
      "typing_duration": 15.001,
      "wpm": 13,
      "message": "เลยต้องเอาหาร"
    },
    {
      "message_id": 1901,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 10.982,
      "typing_delay": 0.019,
      "typing_duration": 4.793,
      "wpm": 16,
      "message": "ออกมา "
    },
    {
      "message_id": 1902,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 6.345,
      "typing_delay": 0.655,
      "typing_duration": 8.298,
      "wpm": 22,
      "message": "แต่ถ้า Input "
    },
    {
      "message_id": 1903,
      "agent_id": 13,
      "delay": 4.297,
      "onscreen_delay": 4.297,
      "typing_delay": 0,
      "typing_duration": 9.654,
      "wpm": 51,
      "message": "ที่ใส่เข้าไปนี่ มีค่ามากกว่า เรา็"
    },
    {
      "message_id": 1904,
      "agent_id": 33,
      "delay": 5.653,
      "onscreen_delay": 4.748,
      "typing_delay": 0.905,
      "typing_duration": 13.776,
      "wpm": 24,
      "message": "ใส่ลงไปใน Stack ได้เลย"
    },
    {
      "message_id": 1905,
      "agent_id": 14,
      "delay": 9.775,
      "onscreen_delay": 9.775,
      "typing_delay": 0,
      "typing_duration": 6.261,
      "wpm": 74,
      "message": "ถ้าตัวซ้ายมันมากกว่าตัวบนตรงนี้ "
    },
    {
      "message_id": 1906,
      "agent_id": 29,
      "delay": 5.774,
      "onscreen_delay": 5.198,
      "typing_delay": 0.576,
      "typing_duration": 6.373,
      "wpm": 73,
      "message": "เราก็ใส่ลงไปใน Stack ได้เลยนะคะ "
    },
    {
      "message_id": 1907,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1908,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 8.422,
      "typing_delay": 2.577,
      "typing_duration": 9.907,
      "wpm": 6,
      "message": "โอเค"
    },
    {
      "message_id": 1909,
      "agent_id": 14,
      "delay": 6.997,
      "onscreen_delay": 6.579,
      "typing_delay": 0.418,
      "typing_duration": 7.56,
      "wpm": 65,
      "message": "ต้องกลับไปทบทวนอีกรอบหนึ่งนะ นะคะ "
    },
    {
      "message_id": 1910,
      "agent_id": 29,
      "delay": 3.558,
      "onscreen_delay": 3.134,
      "typing_delay": 0.424,
      "typing_duration": 11.271,
      "wpm": 33,
      "message": "เดี๋ยวสัปดาห์หน้าครูจะทวน"
    },
    {
      "message_id": 1911,
      "agent_id": 13,
      "delay": 7.27,
      "onscreen_delay": 6.258,
      "typing_delay": 1.012,
      "typing_duration": 4.373,
      "wpm": 48,
      "message": "ให้อีกรอบหนึ่ง "
    },
    {
      "message_id": 1912,
      "agent_id": 33,
      "delay": 5.242,
      "onscreen_delay": 0,
      "typing_delay": 5.242,
      "typing_duration": 5.242,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1913,
      "agent_id": 14,
      "delay": 1.55,
      "onscreen_delay": 0,
      "typing_delay": 1.55,
      "typing_duration": 4.21,
      "wpm": 14,
      "message": "โอเค "
    },
    {
      "message_id": 1914,
      "agent_id": 29,
      "delay": 1.437,
      "onscreen_delay": 0,
      "typing_delay": 1.437,
      "typing_duration": 11.19,
      "wpm": 60,
      "message": "เดี๋ยวทั้งหมดนี้ครูจะอัปที่ Classroom ให้นะคะ "
    },
    {
      "message_id": 1915,
      "agent_id": 13,
      "delay": 7.189,
      "onscreen_delay": 6.034,
      "typing_delay": 1.155,
      "typing_duration": 14.075,
      "wpm": 36,
      "message": "เดี๋ยวครูจะไปสแกนให้ แล้วก็อัปโหลด "
    },
    {
      "message_id": 1916,
      "agent_id": 33,
      "delay": 10.073,
      "onscreen_delay": 9.398,
      "typing_delay": 0.675,
      "typing_duration": 7.02,
      "wpm": 17,
      "message": "ให้ โอเค"
    },
    {
      "message_id": 1917,
      "agent_id": 14,
      "delay": 6.072,
      "onscreen_delay": 1.75,
      "typing_delay": 4.322,
      "typing_duration": 4.322,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1918,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1919,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1920,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1921,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 6.733,
      "typing_delay": 4.264,
      "typing_duration": 4.264,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1922,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1923,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 7.064,
      "typing_delay": 3.935,
      "typing_duration": 10.058,
      "wpm": 39,
      "message": "เดี๋ยวครูเช็กชื่อหน่อยนะคะ "
    },
    {
      "message_id": 1924,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1925,
      "agent_id": 14,
      "delay": 11.002,
      "onscreen_delay": 7.011,
      "typing_delay": 3.991,
      "typing_duration": 3.991,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1926,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1927,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1928,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1929,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 2.822,
      "typing_delay": 8.177,
      "typing_duration": 8.177,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1930,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1931,
      "agent_id": 13,
      "delay": 10.998,
      "onscreen_delay": 6.821,
      "typing_delay": 4.177,
      "typing_duration": 10.501,
      "wpm": 23,
      "message": "ครูเช็กชื่อหน่อย "
    },
    {
      "message_id": 1932,
      "agent_id": 33,
      "delay": 6.996,
      "onscreen_delay": 5.138,
      "typing_delay": 1.858,
      "typing_duration": 14.588,
      "wpm": 10,
      "message": "ศิริลักษณ์"
    },
    {
      "message_id": 1933,
      "agent_id": 14,
      "delay": 10.586,
      "onscreen_delay": 8.04,
      "typing_delay": 2.546,
      "typing_duration": 5.857,
      "wpm": 5,
      "message": "02 "
    },
    {
      "message_id": 1934,
      "agent_id": 29,
      "delay": 6.584,
      "onscreen_delay": 6.023,
      "typing_delay": 0.561,
      "typing_duration": 4.399,
      "wpm": 27,
      "message": "มาไหม 02 "
    },
    {
      "message_id": 1935,
      "agent_id": 13,
      "delay": 2.583,
      "onscreen_delay": 0.485,
      "typing_delay": 2.098,
      "typing_duration": 4.268,
      "wpm": 32,
      "message": "คนนี้หรือ "
    },
    {
      "message_id": 1936,
      "agent_id": 33,
      "delay": 1.349,
      "onscreen_delay": 0,
      "typing_delay": 1.349,
      "typing_duration": 10.717,
      "wpm": 3,
      "message": "03 "
    },
    {
      "message_id": 1937,
      "agent_id": 14,
      "delay": 6.713,
      "onscreen_delay": 6.713,
      "typing_delay": 0,
      "typing_duration": 9.589,
      "wpm": 25,
      "message": "อดิศร เป็น COVID "
    },
    {
      "message_id": 1938,
      "agent_id": 29,
      "delay": 5.588,
      "onscreen_delay": 3.523,
      "typing_delay": 2.065,
      "typing_duration": 5.407,
      "wpm": 19,
      "message": "4 นพกิต "
    },
    {
      "message_id": 1939,
      "agent_id": 13,
      "delay": 1.587,
      "onscreen_delay": 0.545,
      "typing_delay": 1.042,
      "typing_duration": 9.606,
      "wpm": 12,
      "message": "คนนี้ 5. "
    },
    {
      "message_id": 1940,
      "agent_id": 33,
      "delay": 5.605,
      "onscreen_delay": 4.118,
      "typing_delay": 1.487,
      "typing_duration": 6.854,
      "wpm": 18,
      "message": "พงพร ไหน"
    },
    {
      "message_id": 1941,
      "agent_id": 14,
      "delay": 2.853,
      "onscreen_delay": 2.795,
      "typing_delay": 0.058,
      "typing_duration": 8.22,
      "wpm": 24,
      "message": "อ๋อ จันทกานต์ "
    },
    {
      "message_id": 1942,
      "agent_id": 29,
      "delay": 4.219,
      "onscreen_delay": 2.609,
      "typing_delay": 1.61,
      "typing_duration": 4.116,
      "wpm": 18,
      "message": "ไหนคะ "
    },
    {
      "message_id": 1943,
      "agent_id": 13,
      "delay": 1.858,
      "onscreen_delay": 0,
      "typing_delay": 1.858,
      "typing_duration": 7.1,
      "wpm": 17,
      "message": "กัญญานัฐ "
    },
    {
      "message_id": 1944,
      "agent_id": 33,
      "delay": 3.099,
      "onscreen_delay": 0.971,
      "typing_delay": 2.128,
      "typing_duration": 10.515,
      "wpm": 16,
      "message": "ธัญญาลักษณ์ "
    },
    {
      "message_id": 1945,
      "agent_id": 14,
      "delay": 6.512,
      "onscreen_delay": 6.073,
      "typing_delay": 0.439,
      "typing_duration": 7.67,
      "wpm": 27,
      "message": "อ๋อ โอเค วริษา "
    },
    {
      "message_id": 1946,
      "agent_id": 29,
      "delay": 3.669,
      "onscreen_delay": 1.124,
      "typing_delay": 2.545,
      "typing_duration": 4.085,
      "wpm": 18,
      "message": "คนนี้ "
    },
    {
      "message_id": 1947,
      "agent_id": 13,
      "delay": 1.716,
      "onscreen_delay": 0,
      "typing_delay": 1.716,
      "typing_duration": 6.211,
      "wpm": 36,
      "message": "ภัทรดา 11 ไม่มา "
    },
    {
      "message_id": 1948,
      "agent_id": 33,
      "delay": 2.596,
      "onscreen_delay": 0,
      "typing_delay": 2.596,
      "typing_duration": 10.139,
      "wpm": 12,
      "message": "เทพอักษร"
    },
    {
      "message_id": 1949,
      "agent_id": 14,
      "delay": 6.138,
      "onscreen_delay": 4.158,
      "typing_delay": 1.98,
      "typing_duration": 12.321,
      "wpm": 17,
      "message": "ธนภัทร 15 โอเค "
    },
    {
      "message_id": 1950,
      "agent_id": 29,
      "delay": 8.318,
      "onscreen_delay": 5.432,
      "typing_delay": 2.886,
      "typing_duration": 6.223,
      "wpm": 10,
      "message": "ภากร "
    },
    {
      "message_id": 1951,
      "agent_id": 13,
      "delay": 4.317,
      "onscreen_delay": 3.367,
      "typing_delay": 0.95,
      "typing_duration": 10.022,
      "wpm": 43,
      "message": "16 โอเค ค่ะ เจอกันสัปดาห์หน้า "
    },
    {
      "message_id": 1952,
      "agent_id": 33,
      "delay": 12.622,
      "onscreen_delay": 0,
      "typing_delay": 12.622,
      "typing_duration": 12.622,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1953,
      "agent_id": 14,
      "delay": 8.621,
      "onscreen_delay": 2.588,
      "typing_delay": 6.033,
      "typing_duration": 6.033,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1954,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1955,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1956,
      "agent_id": 33,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1957,
      "agent_id": 14,
      "delay": 12.635,
      "onscreen_delay": 0,
      "typing_delay": 12.635,
      "typing_duration": 12.635,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1958,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1959,
      "agent_id": 13,
      "delay": 11.001,
      "onscreen_delay": 7.655,
      "typing_delay": 3.346,
      "typing_duration": 4.807,
      "wpm": 59,
      "message": "[สิ้นสุดการถอดความ] "
    },
    {
      "message_id": 1960,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1961,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1962,
      "agent_id": 13,
      "delay": 11,
      "onscreen_delay": 7.998,
      "typing_delay": 3.002,
      "typing_duration": 3.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1963,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.997,
      "typing_delay": 0.001,
      "typing_duration": 0.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1964,
      "agent_id": 13,
      "delay": 2.996,
      "onscreen_delay": 2.995,
      "typing_delay": 0.001,
      "typing_duration": 0.001,
      "wpm": 0,
      "message": ""
    }
  ]
}