{
  "average_delay": 1.639,
  "average_delay_with_out_empty_turn": 0.037,
  "average_onscreen_delay": 0.011,
  "average_typing_delay": 1.629,
  "average_typing_duration": 3.469,
  "average_wpm": 61,
  "average_wpm_with_out_empty_turn": 113,
  "agents": [
    {
      "agent_id": 2,
      "average_delay": 1.634,
      "average_delay_with_out_empty_turn": 0.046,
      "average_onscreen_delay": 0,
      "average_typing_delay": 1.634,
      "average_typing_duration": 3.486,
      "average_wpm": 53,
      "average_wpm_with_out_empty_turn": 97
    },
    {
      "agent_id": 3,
      "average_delay": 1.563,
      "average_delay_with_out_empty_turn": 0.035,
      "average_onscreen_delay": 0.022,
      "average_typing_delay": 1.54,
      "average_typing_duration": 3.454,
      "average_wpm": 69,
      "average_wpm_with_out_empty_turn": 123
    },
    {
      "agent_id": 4,
      "average_delay": 1.705,
      "average_delay_with_out_empty_turn": 0.048,
      "average_onscreen_delay": 0.014,
      "average_typing_delay": 1.691,
      "average_typing_duration": 3.456,
      "average_wpm": 54,
      "average_wpm_with_out_empty_turn": 103
    },
    {
      "agent_id": 5,
      "average_delay": 1.655,
      "average_delay_with_out_empty_turn": 0.017,
      "average_onscreen_delay": 0.006,
      "average_typing_delay": 1.649,
      "average_typing_duration": 3.482,
      "average_wpm": 70,
      "average_wpm_with_out_empty_turn": 130
    },
    {
      "agent_id": 33,
      "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": 2,
      "delay": 3.483,
      "onscreen_delay": 0,
      "typing_delay": 3.483,
      "typing_duration": 3.483,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 3,
      "delay": 3.48,
      "onscreen_delay": 0,
      "typing_delay": 3.48,
      "typing_duration": 3.48,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 4,
      "delay": 3.478,
      "onscreen_delay": 0,
      "typing_delay": 3.478,
      "typing_duration": 3.478,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 5,
      "delay": 3.476,
      "onscreen_delay": 0,
      "typing_delay": 3.476,
      "typing_duration": 3.476,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 4,
      "agent_id": 2,
      "delay": 3.474,
      "onscreen_delay": 0,
      "typing_delay": 3.474,
      "typing_duration": 3.474,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 5,
      "agent_id": 3,
      "delay": 3.471,
      "onscreen_delay": 0,
      "typing_delay": 3.471,
      "typing_duration": 3.471,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 6,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.47,
      "wpm": 164,
      "message": "(อาจารย์สุธาสินี) ทำไมเป็นอย่างนั้นล่ะ"
    },
    {
      "message_id": 7,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.468,
      "wpm": 99,
      "message": "ได้ยินครูนะ คราวที่แล้ว"
    },
    {
      "message_id": 8,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.466,
      "wpm": 108,
      "message": "นะคะ เราพูดถึงในเรื่องของ"
    },
    {
      "message_id": 9,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.469,
      "wpm": 130,
      "message": "เหมือนล่ามไม่ได้ยินเลย อ๋อ ค่ะ"
    },
    {
      "message_id": 10,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.463,
      "wpm": 165,
      "message": "คราวที่แล้วเราพูดถึงเรื่อง list นะ lis"
    },
    {
      "message_id": 11,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.46,
      "wpm": 117,
      "message": "แล้วเราก็ทำข้อสอบไปแล้วนะคะ"
    },
    {
      "message_id": 12,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.458,
      "wpm": 48,
      "message": "เรื่องลิสต์"
    },
    {
      "message_id": 13,
      "agent_id": 3,
      "delay": 3.455,
      "onscreen_delay": 0,
      "typing_delay": 3.455,
      "typing_duration": 3.455,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 14,
      "agent_id": 4,
      "delay": 3.452,
      "onscreen_delay": 0,
      "typing_delay": 3.452,
      "typing_duration": 3.452,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 15,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.45,
      "wpm": 35,
      "message": "ได้ไหมคะ"
    },
    {
      "message_id": 16,
      "agent_id": 2,
      "delay": 3.447,
      "onscreen_delay": 0,
      "typing_delay": 3.447,
      "typing_duration": 3.447,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 17,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.446,
      "wpm": 48,
      "message": "ได้ยินไหมคะ"
    },
    {
      "message_id": 18,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.443,
      "wpm": 52,
      "message": "ยังไม่ได้ยิน"
    },
    {
      "message_id": 19,
      "agent_id": 5,
      "delay": 3.439,
      "onscreen_delay": 0,
      "typing_delay": 3.439,
      "typing_duration": 3.439,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 20,
      "agent_id": 2,
      "delay": 3.436,
      "onscreen_delay": 0,
      "typing_delay": 3.436,
      "typing_duration": 3.436,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 21,
      "agent_id": 3,
      "delay": 3.432,
      "onscreen_delay": 0,
      "typing_delay": 3.432,
      "typing_duration": 3.432,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 22,
      "agent_id": 4,
      "delay": 3.43,
      "onscreen_delay": 0,
      "typing_delay": 3.43,
      "typing_duration": 3.43,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 23,
      "agent_id": 5,
      "delay": 3.43,
      "onscreen_delay": 0,
      "typing_delay": 3.43,
      "typing_duration": 3.43,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 24,
      "agent_id": 2,
      "delay": 3.429,
      "onscreen_delay": 0,
      "typing_delay": 3.429,
      "typing_duration": 3.429,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 25,
      "agent_id": 3,
      "delay": 3.427,
      "onscreen_delay": 0,
      "typing_delay": 3.427,
      "typing_duration": 3.427,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 26,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.424,
      "wpm": 184,
      "message": "คราวที่แล้วนะคะ เราพูดถึงเรื่อง List ทุกคน"
    },
    {
      "message_id": 27,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.421,
      "wpm": 210,
      "message": "จำได้นะคะ อันนี้คือลิสต์นะ ที่ครูยกตัวอย่างมาให้"
    },
    {
      "message_id": 28,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.42,
      "wpm": 140,
      "message": "ลิสต์ตัวนี้มีขนาดเท่ากับเท่าไหร่"
    },
    {
      "message_id": 29,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.415,
      "wpm": 101,
      "message": "มีขนาดเท่าไหร่ ขนาด คือ"
    },
    {
      "message_id": 30,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.413,
      "wpm": 154,
      "message": "มีจำนวนเท่าไร มี 5 คนอื่นมีเท่าไรคะ"
    },
    {
      "message_id": 31,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.412,
      "wpm": 57,
      "message": "5 โอเค 5 นะคะ"
    },
    {
      "message_id": 32,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.411,
      "wpm": 128,
      "message": "ลิสต์ที่เราเห็นในหน้าจอตรงนี้"
    },
    {
      "message_id": 33,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.409,
      "wpm": 180,
      "message": "จะมีอยู่ 5 ตัวถูกไหมคะ มีข้อมูลอยู่ 5 ตัว"
    },
    {
      "message_id": 34,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.408,
      "wpm": 84,
      "message": "มี 1 มี 2 มี 3 มี 4"
    },
    {
      "message_id": 35,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.406,
      "wpm": 167,
      "message": "แล้วก็มี 5 มีทั้งหมด 5 ตัวนะคะ คราวนี้"
    },
    {
      "message_id": 36,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.404,
      "wpm": 154,
      "message": "เรารู้ได้อย่างไรว่ามันคือลิสต์ เห็น"
    },
    {
      "message_id": 37,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.402,
      "wpm": 110,
      "message": "ก้ามปูเปิด-ก้ามปูปิดไหมคะ"
    },
    {
      "message_id": 38,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.398,
      "wpm": 181,
      "message": "เป็นสัญลักษณ์ที่บอกว่าการเก็บข้อมูลลักษณะ"
    },
    {
      "message_id": 39,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.398,
      "wpm": 146,
      "message": "แบบนี้มีชื่อเรียกว่า \"ลิสต์\" นะคะ"
    },
    {
      "message_id": 40,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.395,
      "wpm": 80,
      "message": "จะเก็บค่าของข้อมูล"
    },
    {
      "message_id": 41,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.392,
      "wpm": 57,
      "message": "ในลิสต์ index"
    },
    {
      "message_id": 42,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.391,
      "wpm": 186,
      "message": "ก็คือหมายเลขถูกไหมคะ ก็คือหมายเลขของข้อมูล"
    },
    {
      "message_id": 43,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.388,
      "wpm": 128,
      "message": "เราเริ่มต้นที่หมายเลขอะไรเอ่ย"
    },
    {
      "message_id": 44,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.387,
      "wpm": 106,
      "message": "พอเราวาดเป็นช่องใช่ไหมคะ"
    },
    {
      "message_id": 45,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.387,
      "wpm": 102,
      "message": "ในลิสต์นี่ ถ้าเราลองวาด"
    },
    {
      "message_id": 46,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.384,
      "wpm": 102,
      "message": "การจัดเก็บนะ ก็จะเป็น 1"
    },
    {
      "message_id": 47,
      "agent_id": 5,
      "delay": 3.383,
      "onscreen_delay": 0,
      "typing_delay": 3.383,
      "typing_duration": 3.383,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 48,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.382,
      "wpm": 151,
      "message": "แล้วก็จะเก็บข้อมูลลงไปในช่องแบบนี้"
    },
    {
      "message_id": 49,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.38,
      "wpm": 80,
      "message": "หมายเลขช่องหรือว่า"
    },
    {
      "message_id": 50,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.377,
      "wpm": 151,
      "message": "Index ตัวแรกเราจะเริ่มต้นที่ตรงไหน"
    },
    {
      "message_id": 51,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.376,
      "wpm": 156,
      "message": "ตรงนี้ index เราจะเริ่มที่เราไรเอ่ย"
    },
    {
      "message_id": 52,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.376,
      "wpm": 58,
      "message": "0 นะ ใช่ไหมคะ"
    },
    {
      "message_id": 53,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.373,
      "wpm": 62,
      "message": "1 2 3 แล้วก็ 4"
    },
    {
      "message_id": 54,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.373,
      "wpm": 182,
      "message": "แล้วก็ 4 ก็คือหมายเลขช่อง ถ้าเราวาดรูปให้"
    },
    {
      "message_id": 55,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.372,
      "wpm": 240,
      "message": "เป็นรูปสี่เหลี่ยมในการจัดเก็บข้อมูล แล้วเวลาครูเข้าถึง"
    },
    {
      "message_id": 56,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.37,
      "wpm": 120,
      "message": "ข้อมูลที่อยู่ในลิสต์ ตอนนี้"
    },
    {
      "message_id": 57,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.368,
      "wpm": 147,
      "message": "ครูตั้งชื่อลิสต์ตัวนี้มีชื่อว่า x"
    },
    {
      "message_id": 58,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.367,
      "wpm": 40,
      "message": "x index 3"
    },
    {
      "message_id": 59,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.364,
      "wpm": 116,
      "message": "ตอบเท่ากับเท่าไรเอ่ย index"
    },
    {
      "message_id": 60,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.363,
      "wpm": 98,
      "message": "เป็น 3 ตัวนี้ตอบ 4 ใช่"
    },
    {
      "message_id": 61,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.361,
      "wpm": 161,
      "message": "ตรงนี้ต้องตอบว่า 4 นะคะ ทุกคนจำได้นะ"
    },
    {
      "message_id": 62,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.36,
      "wpm": 40,
      "message": "แล้วถ้า x"
    },
    {
      "message_id": 63,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.36,
      "wpm": 134,
      "message": "เราต้องการหลาย ๆ ค่า 2 จนถึง 4"
    },
    {
      "message_id": 64,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.353,
      "wpm": 98,
      "message": "จะตอบเท่าหับเท่าไหร่คะ"
    },
    {
      "message_id": 65,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.353,
      "wpm": 36,
      "message": "3 กับ..."
    },
    {
      "message_id": 66,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.352,
      "wpm": 98,
      "message": "3 กับอะไรเอ่ย 4 ใช่ไหม"
    },
    {
      "message_id": 67,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.35,
      "wpm": 237,
      "message": "ใช่ไหม คือ 3 กับ 4 นะ มันเริ่มต้นที่ 2 ใช่ไหมคะ ก็คือ"
    },
    {
      "message_id": 68,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.348,
      "wpm": 148,
      "message": "เริ่มต้นที่ 2 ก็คือเริ่มต้ด้วยตัว"
    },
    {
      "message_id": 69,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.347,
      "wpm": 202,
      "message": "ถึง 4 แล้วก็ลดลงมา 1 ช่อง ก็จะได้ข้อมูลตัวนี้"
    },
    {
      "message_id": 70,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.345,
      "wpm": 58,
      "message": "ก็คือ 3 กับ 4"
    },
    {
      "message_id": 71,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.343,
      "wpm": 103,
      "message": "คราวนี้ แล้วเราเอาลิสต์"
    },
    {
      "message_id": 72,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.342,
      "wpm": 117,
      "message": "มาทำอะไรนะคะ เราเก็บข้อมูล"
    },
    {
      "message_id": 73,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.343,
      "wpm": 166,
      "message": "รูปแบบลิสต์ แล้วเราเอามาใช้ทำอะไรนะคะ"
    },
    {
      "message_id": 74,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.34,
      "wpm": 166,
      "message": "วันนี้เราจะพูดถึงโครงสร้างอีกแบบหนึ่ง"
    },
    {
      "message_id": 75,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.338,
      "wpm": 94,
      "message": "ที่มีชื่อว่า stack นะ"
    },
    {
      "message_id": 76,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.328,
      "wpm": 86,
      "message": "สแตกนะคะ สแตกตัวนี้"
    },
    {
      "message_id": 77,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.326,
      "wpm": 135,
      "message": "จะใช้วิธีการเก็บข้อมูลแบบลิสต์"
    },
    {
      "message_id": 78,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.324,
      "wpm": 95,
      "message": "นะคะ แล้วลักษณะแบบไหน"
    },
    {
      "message_id": 79,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.323,
      "wpm": 176,
      "message": "ที่เราจะเรียกว่า \"stack\" นะคะ ดูด้วยกัน"
    },
    {
      "message_id": 80,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.323,
      "wpm": 68,
      "message": "เขาบอกว่า Stack"
    },
    {
      "message_id": 81,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.321,
      "wpm": 194,
      "message": "ก็คือการที่เราใส่ข้อมูลเข้าไปแล้วก็ดึงออกมา"
    },
    {
      "message_id": 82,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.32,
      "wpm": 68,
      "message": "นะคะ แล้วข้อมูล"
    },
    {
      "message_id": 83,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.324,
      "wpm": 131,
      "message": "ที่ถูกใส่เข้าไปใน Stack จะถูก"
    },
    {
      "message_id": 84,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.317,
      "wpm": 127,
      "message": "เอาออกมาใช้ทีหลัง อันนี้ คือ"
    },
    {
      "message_id": 85,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.311,
      "wpm": 190,
      "message": "วิธีการเก็บข้อมูลแบบ stack หรือที่เรียกว่า"
    },
    {
      "message_id": 86,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.31,
      "wpm": 77,
      "message": "เข้าทีหลังออกก่อน"
    },
    {
      "message_id": 87,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.308,
      "wpm": 159,
      "message": "เข้าก่อนออกทีหลัง ความหมายเหมือนกัน"
    },
    {
      "message_id": 88,
      "agent_id": 2,
      "delay": 3.306,
      "onscreen_delay": 0,
      "typing_delay": 3.306,
      "typing_duration": 3.306,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 89,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.304,
      "wpm": 104,
      "message": "ยกตัวอย่างเช่น ทุกคนเคย"
    },
    {
      "message_id": 90,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.303,
      "wpm": 245,
      "message": "ไปที่ร้านก๋วยเตี๋ยวไหมคะ ทุกคนเคยไปที่ร้านก๋วยเตี๋ยวนะ"
    },
    {
      "message_id": 91,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.301,
      "wpm": 154,
      "message": "แล้วเห็นถ้วยก๋วยเตี๋ยวก่อนที่เขาจะ"
    },
    {
      "message_id": 92,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.303,
      "wpm": 182,
      "message": "เอามาใส่เส้น ใส่เครื่องปรุง ใส่หมูให้เรา"
    },
    {
      "message_id": 93,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.299,
      "wpm": 150,
      "message": "ชามก๋วยเตี๋ยวมันเรียงขึ้นไปแบบนี้"
    },
    {
      "message_id": 94,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.296,
      "wpm": 232,
      "message": "ใช่ไหมคะ เวลาแม่ค้าเขาจะเอาจามก๋วยเตี๋ยวมาใส่ให้เรา"
    },
    {
      "message_id": 95,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.298,
      "wpm": 223,
      "message": "เขาจะเอาชามก๋วยเตี๋ยวมาใส่ให้เรา เขาเอาชามที่อยู่"
    },
    {
      "message_id": 96,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.294,
      "wpm": 132,
      "message": "ข้างบน หรือชามที่อยู่ข้างล่าง"
    },
    {
      "message_id": 97,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.292,
      "wpm": 150,
      "message": "เอาชามข้างบนหรือข้างล่างคะ ข้างบน"
    },
    {
      "message_id": 98,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.295,
      "wpm": 100,
      "message": "เขาเอาข้างบนมาทำให้เรา"
    },
    {
      "message_id": 99,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.291,
      "wpm": 169,
      "message": "แล้วเวลาเขาล้างจานเสร็จแล้วนี่ เอาจาน"
    },
    {
      "message_id": 100,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.29,
      "wpm": 178,
      "message": "มาซ้อนข้างล่างหรือซ้อนข้างบน ซ้อนข้างบน"
    },
    {
      "message_id": 101,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.285,
      "wpm": 123,
      "message": "ใช่ไหมคะ เพราะฉะนั้น จานที่"
    },
    {
      "message_id": 102,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.281,
      "wpm": 133,
      "message": "อยู่บนสุดจะถูกเอาออกมาใช้ก่อน"
    },
    {
      "message_id": 103,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.28,
      "wpm": 128,
      "message": "และจากที่อยู่บนสุดนะคะ จะถูก"
    },
    {
      "message_id": 104,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.278,
      "wpm": 160,
      "message": "เอาเข้ามาเก็บทีหลัง อันนี้คือรูปแบบ"
    },
    {
      "message_id": 105,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.277,
      "wpm": 114,
      "message": "ของ Stack เช่นนะคะ เช่น ๆ"
    },
    {
      "message_id": 106,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.274,
      "wpm": 142,
      "message": "เช่น สมมติ ครูมีกระดาษ 1 แผ่นนะ"
    },
    {
      "message_id": 107,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.273,
      "wpm": 156,
      "message": "ครูมีกระดาษอยู่ 1 แผ่น ทุกคนดูนะคะ"
    },
    {
      "message_id": 108,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.27,
      "wpm": 106,
      "message": "ครูจะใส่กระดาษแผ่นที่ 2"
    },
    {
      "message_id": 109,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.269,
      "wpm": 197,
      "message": "เห็นไหมคะ ครูซ่อนกระดาษแผ่นที่ 2 อยู่ข้างบน"
    },
    {
      "message_id": 110,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.268,
      "wpm": 87,
      "message": "ครูใส่ ครูใส่กระดาษ"
    },
    {
      "message_id": 111,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.268,
      "wpm": 151,
      "message": "แผ่นที่ 3 เข้าไปนะคะ แล้วครูก็ใส่"
    },
    {
      "message_id": 112,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.264,
      "wpm": 161,
      "message": "กระดาษแผ่นที่ 4 เข้าไปในมือครู เวลา"
    },
    {
      "message_id": 113,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.263,
      "wpm": 248,
      "message": "ครูจะเอาออกมาใช้ครูจะเอาตัวล่างสุดหรือตัวบนสุดออกมาใช้"
    },
    {
      "message_id": 114,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.263,
      "wpm": 74,
      "message": "ตัวบนสุดถูกไหมคะ"
    },
    {
      "message_id": 115,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.261,
      "wpm": 235,
      "message": "ครูไม่พยายามจะดึงตัวล่างสุดออกมานะคะ ครูจะหยิบตัวบน"
    },
    {
      "message_id": 116,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.26,
      "wpm": 120,
      "message": "สุดอกไปใช้ ซึ่งตัวบนสุดนี่"
    },
    {
      "message_id": 117,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.258,
      "wpm": 161,
      "message": "คือ กระดาษแผ่นที่เราใส่ไปล่าสุดนะคะ"
    },
    {
      "message_id": 118,
      "agent_id": 4,
      "delay": 1.257,
      "onscreen_delay": 0,
      "typing_delay": 1.257,
      "typing_duration": 3.258,
      "wpm": 5,
      "message": "เ"
    },
    {
      "message_id": 119,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.256,
      "wpm": 212,
      "message": "เราสามารถสรุปได้แบบนี้นะ ข้อมูลที่อยู่ใน Stack"
    },
    {
      "message_id": 120,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.255,
      "wpm": 115,
      "message": "ตัวแรกจะอยู่ด้านล่างสุด ข"
    },
    {
      "message_id": 121,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.254,
      "wpm": 244,
      "message": "ข้อมูลที่หย่อนลงไปใน Stack ตัวแรกจะอยู่ด้านล่างสุดเลย"
    },
    {
      "message_id": 122,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.252,
      "wpm": 125,
      "message": "นะคะ ตัวถัดไปก็จะซ้อนขึ้นมา"
    },
    {
      "message_id": 123,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.253,
      "wpm": 83,
      "message": "เรื่อย ๆ ข้อมูลที่"
    },
    {
      "message_id": 124,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.251,
      "wpm": 134,
      "message": "เข้าไปใน Stack เป็นตัวสุดท้าย"
    },
    {
      "message_id": 125,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.249,
      "wpm": 115,
      "message": "นะคะ จะอยู่บนสุด แล้วเวลา"
    },
    {
      "message_id": 126,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.248,
      "wpm": 148,
      "message": "เราเอาข้อมูลใน Stack ออกมาใช้งาน"
    },
    {
      "message_id": 127,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.246,
      "wpm": 129,
      "message": "ข้อมูลที่เข้าไปเป็นตัวล่าสุด"
    },
    {
      "message_id": 128,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.242,
      "wpm": 120,
      "message": "หรือตัวลำดับสุดท้าย  จะถูก"
    },
    {
      "message_id": 129,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.241,
      "wpm": 116,
      "message": "ดึงออกมาใช้งานก่อน ตัวไหน"
    },
    {
      "message_id": 130,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.239,
      "wpm": 144,
      "message": "ที่เข้าไปตัวแรกจะถูกเอามาใช้งาน"
    },
    {
      "message_id": 131,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.238,
      "wpm": 176,
      "message": "เป็นตัวสุดท้ายนะคะ เพราะมันอยู่ล่างสุด"
    },
    {
      "message_id": 132,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.237,
      "wpm": 199,
      "message": "มันก็ใช้ยาก เราต้องใช้ตัวบน ค่อย ๆ ดึงตัวบน"
    },
    {
      "message_id": 133,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.236,
      "wpm": 42,
      "message": "ออกไปก่อน"
    },
    {
      "message_id": 134,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.239,
      "wpm": 157,
      "message": "คราวนี้เวลาเราเอาข้อมูลใส่ใน Stack"
    },
    {
      "message_id": 135,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.234,
      "wpm": 172,
      "message": "เราพูดถึง Stack ก็เหมือนภาชนะนะ Stack"
    },
    {
      "message_id": 136,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.232,
      "wpm": 149,
      "message": "เป็นช่องแบบนี้ เป็นช่องสี่เหลี่ย"
    },
    {
      "message_id": 137,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.229,
      "wpm": 144,
      "message": "ในแนวตั้ง ถ้าเราพูดถึง Stack นะ"
    },
    {
      "message_id": 138,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.227,
      "wpm": 256,
      "message": "ดูรูปนี้ก่อน อย่างนี้ มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้"
    },
    {
      "message_id": 139,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.225,
      "wpm": 153,
      "message": "มันจะอยู่ในแนวนอนหรือแนวตั้งก็ได้"
    },
    {
      "message_id": 140,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 144,
      "message": "ถ้าพูดถึง Stack ก้คือเป็นชั้น ๆ"
    },
    {
      "message_id": 141,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.223,
      "wpm": 158,
      "message": "เลื่อนขึ้นไปเรื่อย ๆ นะคะ ใน Stack"
    },
    {
      "message_id": 142,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.223,
      "wpm": 154,
      "message": "เราทำอะไรได้บ้าง เราใส่ข้อมูลลงไป"
    },
    {
      "message_id": 143,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.228,
      "wpm": 116,
      "message": "เราดึงข้อมูลออกมา คราวนี้"
    },
    {
      "message_id": 144,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.219,
      "wpm": 135,
      "message": "stackถ้ามันไม่มีข้อมูลอะไรเลย"
    },
    {
      "message_id": 145,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.217,
      "wpm": 200,
      "message": "เราเรียกว่า \"Stack ว่าง\" คือ มันมีค่าว่าง ๆ"
    },
    {
      "message_id": 146,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.217,
      "wpm": 135,
      "message": "ไม่มีตัวอักษรอะไรเลยนะ อันนี้"
    },
    {
      "message_id": 147,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.219,
      "wpm": 65,
      "message": "คือ Stack ว่าง"
    },
    {
      "message_id": 148,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.213,
      "wpm": 135,
      "message": "ถ้าเราจะใส่ข้อมูลลงไปใน Stack"
    },
    {
      "message_id": 149,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.212,
      "wpm": 131,
      "message": "เราจะมีคำสั่งที่ชื่อว่า Push"
    },
    {
      "message_id": 150,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.21,
      "wpm": 89,
      "message": "คือคำสั่งตัวนี้นะคะ"
    },
    {
      "message_id": 151,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.209,
      "wpm": 93,
      "message": "คำสั่ง Push ก็คือใส่"
    },
    {
      "message_id": 152,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.209,
      "wpm": 150,
      "message": "ข้อมูลลงไปใน Stack ถ้าต้องการเอา"
    },
    {
      "message_id": 153,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.206,
      "wpm": 187,
      "message": "ข้อมูลออกจาก Stack เราใช้คำสั่ง Pop นะคะ"
    },
    {
      "message_id": 154,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.205,
      "wpm": 140,
      "message": "มีอยู่ 2 ตัวที่ทุกคนต้องรู้จัก"
    },
    {
      "message_id": 155,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.204,
      "wpm": 159,
      "message": "เมื่อพูดถึง Stack คือ Push กับ Pop"
    },
    {
      "message_id": 156,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.202,
      "wpm": 89,
      "message": "Push คือใส่ ก็คือเอ"
    },
    {
      "message_id": 157,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.201,
      "wpm": 183,
      "message": "ส่วน Pop ก็คือเอาออกนะคะ Pop คือ เอาออก"
    },
    {
      "message_id": 158,
      "agent_id": 4,
      "delay": 3.199,
      "onscreen_delay": 0,
      "typing_delay": 3.199,
      "typing_duration": 3.199,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 159,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.197,
      "wpm": 197,
      "message": "คราวนี้มาดูตัวอย่างนะคะ มีแต่ Push กับ Pop"
    },
    {
      "message_id": 160,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.197,
      "wpm": 169,
      "message": "2 ตัว เราเริ่มต้น Stack ไม่มีอะไรเลย"
    },
    {
      "message_id": 161,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.195,
      "wpm": 178,
      "message": "เป็นค่าว่าง ๆ ถูกไหมคะ เป็น Stack ว่าง"
    },
    {
      "message_id": 162,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.194,
      "wpm": 80,
      "message": "ครูบอกว่าครู Push"
    },
    {
      "message_id": 163,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.193,
      "wpm": 202,
      "message": "คำสั่ง Push Push ค่าอะไร ค่า a เมื่อไรก็ตาม"
    },
    {
      "message_id": 164,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.192,
      "wpm": 122,
      "message": "ที่ใช้คำสั่ง Push ต้องบอกด"
    },
    {
      "message_id": 165,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.189,
      "wpm": 94,
      "message": "จะใส่ค่าอะไรด้วยนะคะ"
    },
    {
      "message_id": 166,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.188,
      "wpm": 89,
      "message": "เรา Push ค่า a ลงไป"
    },
    {
      "message_id": 167,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.187,
      "wpm": 179,
      "message": "เห็นไหม มันก็อยู่ด้านล่างสุดนะคะ ถัดมา"
    },
    {
      "message_id": 168,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.184,
      "wpm": 71,
      "message": "ถ้าครูใส่คำสั่ง"
    },
    {
      "message_id": 169,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.185,
      "wpm": 179,
      "message": "ตัวบนก่อน Push b ก็ใส่ b ลงมาเห็นไหมคะ"
    },
    {
      "message_id": 170,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.18,
      "wpm": 108,
      "message": "ถัดจาก a ก็คือ b Push c"
    },
    {
      "message_id": 171,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.179,
      "wpm": 151,
      "message": "ก็อยู่ถัดขึ้นไป และ Push(D) อยู่"
    },
    {
      "message_id": 172,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.178,
      "wpm": 142,
      "message": "บนสุดนะคะ เรียงตรามลำดับของการ"
    },
    {
      "message_id": 173,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.177,
      "wpm": 71,
      "message": "ใส่ข้อมูลเข้าไป"
    },
    {
      "message_id": 174,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.176,
      "wpm": 109,
      "message": "คราวนี้อยากจะเอาออกบ้าง"
    },
    {
      "message_id": 175,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.175,
      "wpm": 217,
      "message": "เอาข้อมูลออกจาก Stack ไปใช้งาน จะใช้คำสั่ง Pop"
    },
    {
      "message_id": 176,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.174,
      "wpm": 47,
      "message": "Pop นะ Pop"
    },
    {
      "message_id": 177,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.172,
      "wpm": 241,
      "message": "แล้วตามด้วยวงเล็บเปิดและวงเล็บปิด ไม่ต้องใส่ค่าอะไร"
    },
    {
      "message_id": 178,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.172,
      "wpm": 184,
      "message": "เพราะเราจะไปดึงค่าที่อยู่ใน Stack ออกมา"
    },
    {
      "message_id": 179,
      "agent_id": 5,
      "delay": 3.169,
      "onscreen_delay": 0,
      "typing_delay": 3.169,
      "typing_duration": 3.169,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 180,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.166,
      "wpm": 142,
      "message": "เราสั่งคำสั่ง Pop เราเอาข้อมูล"
    },
    {
      "message_id": 181,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.165,
      "wpm": 147,
      "message": "บนสุดนะคะ Pop ให้เอาข้อมูลบนสุด"
    },
    {
      "message_id": 182,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.165,
      "wpm": 114,
      "message": "ที่อยู่ใน Stack ดึงออกมา"
    },
    {
      "message_id": 183,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.163,
      "wpm": 156,
      "message": "เพราะฉะนั้น เดิมเป็นแบบนี้ ถูกไหม"
    },
    {
      "message_id": 184,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.161,
      "wpm": 142,
      "message": "ครูใช้คำสั่ง Pop อะไรออกมาเอ่ย"
    },
    {
      "message_id": 185,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.162,
      "wpm": 138,
      "message": "ตัว D Dog จะออกมา เพราะ D Dog"
    },
    {
      "message_id": 186,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.159,
      "wpm": 62,
      "message": "อยู่บนสุดนะคะ"
    },
    {
      "message_id": 187,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.157,
      "wpm": 24,
      "message": "ถัดมา"
    },
    {
      "message_id": 188,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.154,
      "wpm": 100,
      "message": "ครู Push คือใส่เข้าไป"
    },
    {
      "message_id": 189,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.152,
      "wpm": 233,
      "message": "ไม่มี D Dog แล้วนะ ครู Push e เห็นไหมคะ เวลา Push"
    },
    {
      "message_id": 190,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.149,
      "wpm": 129,
      "message": "ต้องบอกด้วยว่าเราใส่ค่าอะไร"
    },
    {
      "message_id": 191,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.147,
      "wpm": 210,
      "message": "แล้วก็ใส่ตัว e วงเล็บปิด ครู Push ค่า e ลงไป"
    },
    {
      "message_id": 192,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.146,
      "wpm": 148,
      "message": "E จะอยู่ด้านบน C เสร็จแล้ว Push"
    },
    {
      "message_id": 193,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.142,
      "wpm": 158,
      "message": "อีกครั้งหนึ่ง f ก็จะอยู่บนสุดนะคะ"
    },
    {
      "message_id": 194,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.142,
      "wpm": 57,
      "message": "ถัดมาครู Pop"
    },
    {
      "message_id": 195,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.135,
      "wpm": 211,
      "message": "Pop คือ เอาออก เอาอะไรออก ข้างบนสุดคืออะไรคะ"
    },
    {
      "message_id": 196,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.134,
      "wpm": 129,
      "message": "เอา F ออก เพราะฉะนั้นข้อมูล"
    },
    {
      "message_id": 197,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.133,
      "wpm": 192,
      "message": "จะเหลืออยู่ 4 ตัว ก็คือ a, b, c แล้วก็ e"
    },
    {
      "message_id": 198,
      "agent_id": 4,
      "delay": 3.131,
      "onscreen_delay": 0,
      "typing_delay": 3.131,
      "typing_duration": 3.131,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 199,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.131,
      "wpm": 48,
      "message": "โอเค ถัดมา"
    },
    {
      "message_id": 200,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.116,
      "wpm": 101,
      "message": "เราแทน Stack ด้วยอะไร"
    },
    {
      "message_id": 201,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.115,
      "wpm": 130,
      "message": "นะคะ อย่างที่ครูบอกว่าลิสต์"
    },
    {
      "message_id": 202,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.114,
      "wpm": 164,
      "message": "จะถูกเอามาใช้แทนนะคะ การเก็บข้อมูล"
    },
    {
      "message_id": 203,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.111,
      "wpm": 246,
      "message": "ใน Stack เราพูดถึง Stack แล้วมันจัดเก็บแบบไหน ลิสต์"
    },
    {
      "message_id": 204,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.112,
      "wpm": 106,
      "message": "นั่นล่ะในการเก็บข้อมูล"
    },
    {
      "message_id": 205,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.11,
      "wpm": 207,
      "message": "ลิสต์นะคะ เราสามารถวาดเป็นแนวตั้งหรือแนวนอน"
    },
    {
      "message_id": 206,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.107,
      "wpm": 130,
      "message": "ก็ได้นะ สามารถวาดเป็นแนวนอน"
    },
    {
      "message_id": 207,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.106,
      "wpm": 212,
      "message": "หรือแนวนอนก็ได้ ข้อมูลที่ใส่เข้ามาตัวแรกนะคะ"
    },
    {
      "message_id": 208,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.103,
      "wpm": 169,
      "message": "จะอยู่ที่ index 0 ก็คือข้อมูลตัวแรก"
    },
    {
      "message_id": 209,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.102,
      "wpm": 169,
      "message": "ไล่ไปเรื่อย ๆ จนถึงข้อมูลตัวสุดท้าย"
    },
    {
      "message_id": 210,
      "agent_id": 4,
      "delay": 3.099,
      "onscreen_delay": 0,
      "typing_delay": 3.099,
      "typing_duration": 3.099,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 211,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.098,
      "wpm": 155,
      "message": "Stack ที่ครูให้มานี่ ที่เก็บอยู่"
    },
    {
      "message_id": 212,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.095,
      "wpm": 111,
      "message": "ในรูปแบบที่เป็นลิสต์นี่"
    },
    {
      "message_id": 213,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.094,
      "wpm": 194,
      "message": "มันมีที่ว่างให้ใส่ได้อีกไหม Stack รูปนี้"
    },
    {
      "message_id": 214,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.093,
      "wpm": 184,
      "message": "มีอยู่ 4 ช่องด้วยกัน ทุกช่องมีค่าไหมคะ"
    },
    {
      "message_id": 215,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.091,
      "wpm": 68,
      "message": "ทุกช่องมีค่านะ"
    },
    {
      "message_id": 216,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.091,
      "wpm": 78,
      "message": "มันเต็มหรือยังคะ"
    },
    {
      "message_id": 217,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.089,
      "wpm": 175,
      "message": "มันมีที่ว่างให้ใส่อีกไหมคะ ไม่มีแล้ว"
    },
    {
      "message_id": 218,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.087,
      "wpm": 151,
      "message": "อย่างนี้เรียกว่า Stack เต็มแล้ว"
    },
    {
      "message_id": 219,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.087,
      "wpm": 248,
      "message": "นะคะ คือ ไม่มีช่องว่างให้เราใส่ข้อมูลตัวใหม่ได้แล้ว"
    },
    {
      "message_id": 220,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.082,
      "wpm": 180,
      "message": "นะคะ แบบนี้เรียกว่า Stack มันเต็มแล้ง"
    },
    {
      "message_id": 221,
      "agent_id": 3,
      "delay": 3.081,
      "onscreen_delay": 0,
      "typing_delay": 3.081,
      "typing_duration": 3.081,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 222,
      "agent_id": 4,
      "delay": 3.079,
      "onscreen_delay": 0,
      "typing_delay": 3.079,
      "typing_duration": 3.079,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 223,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.078,
      "wpm": 107,
      "message": "คราวนี้ เรามี 2 คำสั่ง"
    },
    {
      "message_id": 224,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.078,
      "wpm": 117,
      "message": "ที่พูดถึงนะ Push กับ Pop"
    },
    {
      "message_id": 225,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.084,
      "wpm": 151,
      "message": "Push ก็คือใส่ข้อมูลลงไปใน Stack"
    },
    {
      "message_id": 226,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.075,
      "wpm": 78,
      "message": "เช่น ครูมี Stack"
    },
    {
      "message_id": 227,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.075,
      "wpm": 273,
      "message": "อย่างนี้ใช่ไหม มันมีที่ว่างให้ครูใส่ข้อมูลได้ไหมคะ มันมี"
    },
    {
      "message_id": 228,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.072,
      "wpm": 142,
      "message": "ที่ว่างให้ครูใส่ข้อมูลได้ ครู"
    },
    {
      "message_id": 229,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.071,
      "wpm": 210,
      "message": "ก็เลยสั่งคำสั่ง Push 3 ก็คือเอาข้อมูล 3 นี่"
    },
    {
      "message_id": 230,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.07,
      "wpm": 186,
      "message": "ไปหย่อนลงใน Stack มันจะเอามาใส่ช่องนี้"
    },
    {
      "message_id": 231,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.068,
      "wpm": 181,
      "message": "ช่องที่ 1 หรือช่องที่ 2 ค่ะ ช่องที่ 1"
    },
    {
      "message_id": 232,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.068,
      "wpm": 142,
      "message": "ถูกไหม ก็ไล่ลำดับลงมาเรื่อย ๆ"
    },
    {
      "message_id": 233,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.067,
      "wpm": 205,
      "message": "มันอยู่ช่องนี้แล้ว ข้อมูลล่าสุดอยู่ช่องนี้"
    },
    {
      "message_id": 234,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.068,
      "wpm": 132,
      "message": "มันก็ไหลลงไปจนถึงตัวสุดท้าย"
    },
    {
      "message_id": 235,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.067,
      "wpm": 249,
      "message": "ที่มันสามารถจะใส่ได้ ก็คือในช่องตรงนี้ ก็คือจะเอา 3"
    },
    {
      "message_id": 236,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.065,
      "wpm": 24,
      "message": "มาใส่"
    },
    {
      "message_id": 237,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.065,
      "wpm": 117,
      "message": "แล้วเราใส่ด้วยคำสั่งอะไร"
    },
    {
      "message_id": 238,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.063,
      "wpm": 78,
      "message": "เราใช้ List นะคะ"
    },
    {
      "message_id": 239,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.061,
      "wpm": 235,
      "message": "ในการจัดเก็บข้อมูล เราใช้ลิสต์ในการจัดเก็บข้อมูล"
    },
    {
      "message_id": 240,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.06,
      "wpm": 113,
      "message": "เพราะฉะนั้นคำสั่งของการ"
    },
    {
      "message_id": 241,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.059,
      "wpm": 186,
      "message": "เพิ่มข้อมูลลงไปใน Stack ก็คือใช้คำสั่ง"
    },
    {
      "message_id": 242,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.058,
      "wpm": 128,
      "message": "Append ได้เลย เพราะ Append"
    },
    {
      "message_id": 243,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.057,
      "wpm": 152,
      "message": "เป็นคำสั่งของการเพิ่มข้อมูลลงไป"
    },
    {
      "message_id": 244,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.055,
      "wpm": 103,
      "message": "ในลิสต์นะคะ ใส่ชื่อ ."
    },
    {
      "message_id": 245,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.066,
      "wpm": 132,
      "message": "แล้วตามด้วยคำสั่ง Append(d)"
    },
    {
      "message_id": 246,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.053,
      "wpm": 167,
      "message": "ใส่ค่าข้อมูลตัวใหม่แล้วก็วงเล็บปิด"
    },
    {
      "message_id": 247,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.051,
      "wpm": 25,
      "message": "ถัดมา"
    },
    {
      "message_id": 248,
      "agent_id": 2,
      "delay": 0.05,
      "onscreen_delay": 0,
      "typing_delay": 0.05,
      "typing_duration": 3.051,
      "wpm": 15,
      "message": "Pop"
    },
    {
      "message_id": 249,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.05,
      "wpm": 162,
      "message": "คือ เอาออกนะคะ คือ Pop คือ เอาออก"
    },
    {
      "message_id": 250,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.047,
      "wpm": 118,
      "message": "ก่อนที่เราจะเอาข้อมูลออก"
    },
    {
      "message_id": 251,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.046,
      "wpm": 138,
      "message": "เราต้องเช็กก่อนว่า Stack เรา"
    },
    {
      "message_id": 252,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.044,
      "wpm": 123,
      "message": "มีข้อมูลอยู่ไหม ถ้า Stack"
    },
    {
      "message_id": 253,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.043,
      "wpm": 251,
      "message": "มันไม่มีข้อมูลอยู่เลยเราจะเอาอะไรออกมาได้ไหม ไม่ได้"
    },
    {
      "message_id": 254,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.042,
      "wpm": 182,
      "message": "เพราะมันไม่มีข้อมูลอะไรให้เราดึงออกมา"
    },
    {
      "message_id": 255,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.04,
      "wpm": 197,
      "message": "เพราะฉะนั้น อันดับแรกนี่ เราต้องเช็กก่อน"
    },
    {
      "message_id": 256,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.039,
      "wpm": 207,
      "message": "มันมีข้อมูลอยู่ไหมนะคะ มันมีข้อมูลอยู่้ไหม"
    },
    {
      "message_id": 257,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.038,
      "wpm": 178,
      "message": "ถ้ามันไม่มีข้อมูลอยู่เลย เราจะบอกว่า"
    },
    {
      "message_id": 258,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.039,
      "wpm": 207,
      "message": "มันคือ Stack ว่าง เราไม่สามารถทำคำสั่ง Pop"
    },
    {
      "message_id": 259,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.04,
      "wpm": 69,
      "message": "ได้นะคะ แต่ถ้า"
    },
    {
      "message_id": 260,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.034,
      "wpm": 89,
      "message": "Stack ไม่ว่าง เช่น"
    },
    {
      "message_id": 261,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.034,
      "wpm": 203,
      "message": "Stack ไม่ว่างนะ มันมีข้อมูลอยู่ตั้ง 3 ตัว"
    },
    {
      "message_id": 262,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.033,
      "wpm": 79,
      "message": "เราใช้คำสั่ง Pop"
    },
    {
      "message_id": 263,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.032,
      "wpm": 193,
      "message": "ข้อมูลอะไรจะถูกดึงออกมา มีอยู่ 3 ค่านี่"
    },
    {
      "message_id": 264,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.03,
      "wpm": 139,
      "message": "ข้อมูลที่จะเอาออกมาจาก Stack"
    },
    {
      "message_id": 265,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.03,
      "wpm": 109,
      "message": "ก็คือข้อมูลค่าอะไรเอ่ย"
    },
    {
      "message_id": 266,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.027,
      "wpm": 74,
      "message": "อะไรคะ 1 หรือ 2"
    },
    {
      "message_id": 267,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.026,
      "wpm": 74,
      "message": "หรือ 3 3 ใช่ไหม"
    },
    {
      "message_id": 268,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.025,
      "wpm": 89,
      "message": "เอาตัวที่อยู่บนสุด"
    },
    {
      "message_id": 269,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.024,
      "wpm": 238,
      "message": "ตัวล่าสุดถูกไหมคะ ถ้าอยู่ในแนวนอนตัวล่าสุดจะอยู่"
    },
    {
      "message_id": 270,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.02,
      "wpm": 35,
      "message": "ด้านขวา"
    },
    {
      "message_id": 271,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.019,
      "wpm": 214,
      "message": "ถ้าเป็นแนวตั้งตัวล่าสุดจะอยู่ข้างบนใช่ไหมคะ"
    },
    {
      "message_id": 272,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.018,
      "wpm": 55,
      "message": "เลข 3 จะถูก"
    },
    {
      "message_id": 273,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.016,
      "wpm": 194,
      "message": "ดึงออกมานะคะ หลังจากที่เราใช้คำสั่ง Pop"
    },
    {
      "message_id": 274,
      "agent_id": 4,
      "delay": 3.014,
      "onscreen_delay": 0,
      "typing_delay": 3.014,
      "typing_duration": 3.014,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 275,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.012,
      "wpm": 20,
      "message": "โอเค"
    },
    {
      "message_id": 276,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.01,
      "wpm": 115,
      "message": "ถัดมาตัวนี้จะเป็นคำสั่ง"
    },
    {
      "message_id": 277,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.007,
      "wpm": 95,
      "message": "ที่เราใช้เขียน เช่น"
    },
    {
      "message_id": 278,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.006,
      "wpm": 190,
      "message": "เราจะเช็กว่า Stack นั้นเป็น Stack ว่าง"
    },
    {
      "message_id": 279,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.005,
      "wpm": 195,
      "message": "หรือเปล่า เราก็ดูขนาดของ Stack ใช่ไหมคะ"
    },
    {
      "message_id": 280,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.003,
      "wpm": 140,
      "message": "หาขนาดของ Stack ว่ามันมีขนาด"
    },
    {
      "message_id": 281,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.002,
      "wpm": 150,
      "message": "เท่าไหร่ ถ้าขนาดมันมีค่าเป็น 0"
    },
    {
      "message_id": 282,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.001,
      "wpm": 220,
      "message": "แสดงว่ามันเป็น Stack ว่าง ไม่มีข้อมูลอยู่เลย"
    },
    {
      "message_id": 283,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3,
      "wpm": 150,
      "message": "ก็ไม่ต้องทำอะไรใช่ไหมคะ แต่ถ้า"
    },
    {
      "message_id": 284,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 2.999,
      "wpm": 125,
      "message": "มันไม่ใช่ Stack ว่างเราก็"
    },
    {
      "message_id": 285,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 2.998,
      "wpm": 125,
      "message": "จะดึงค่าที่อยู่บนสุดออกมา"
    },
    {
      "message_id": 286,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 2.997,
      "wpm": 35,
      "message": "คราวนี้"
    },
    {
      "message_id": 287,
      "agent_id": 5,
      "delay": 0.076,
      "onscreen_delay": 0,
      "typing_delay": 0.076,
      "typing_duration": 3.995,
      "wpm": 180,
      "message": "อันนี้จะเป็นโค้ด เป็นโปรแกรมที่เราจะเขียนทั้งหมด"
    },
    {
      "message_id": 288,
      "agent_id": 2,
      "delay": 0.147,
      "onscreen_delay": 0,
      "typing_delay": 0.147,
      "typing_duration": 3.994,
      "wpm": 94,
      "message": "เดี๋ยวครูบอกอีกทีข้างหลัง"
    },
    {
      "message_id": 289,
      "agent_id": 3,
      "delay": 0.436,
      "onscreen_delay": 0,
      "typing_delay": 0.436,
      "typing_duration": 3.992,
      "wpm": 30,
      "message": "สมมติว่า"
    },
    {
      "message_id": 290,
      "agent_id": 4,
      "delay": 3.991,
      "onscreen_delay": 0,
      "typing_delay": 3.991,
      "typing_duration": 3.991,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 291,
      "agent_id": 5,
      "delay": 3.989,
      "onscreen_delay": 0,
      "typing_delay": 3.989,
      "typing_duration": 3.989,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 292,
      "agent_id": 2,
      "delay": 3.99,
      "onscreen_delay": 0,
      "typing_delay": 3.99,
      "typing_duration": 3.99,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 293,
      "agent_id": 3,
      "delay": 0.352,
      "onscreen_delay": 0,
      "typing_delay": 0.352,
      "typing_duration": 3.989,
      "wpm": 38,
      "message": "ครูอยาก..."
    },
    {
      "message_id": 294,
      "agent_id": 4,
      "delay": 3.995,
      "onscreen_delay": 0,
      "typing_delay": 3.995,
      "typing_duration": 3.995,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 295,
      "agent_id": 5,
      "delay": 3.986,
      "onscreen_delay": 0,
      "typing_delay": 3.986,
      "typing_duration": 3.986,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 296,
      "agent_id": 2,
      "delay": 3.983,
      "onscreen_delay": 0,
      "typing_delay": 3.983,
      "typing_duration": 3.983,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 297,
      "agent_id": 3,
      "delay": 3.983,
      "onscreen_delay": 0,
      "typing_delay": 3.983,
      "typing_duration": 3.983,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 298,
      "agent_id": 4,
      "delay": 3.982,
      "onscreen_delay": 0,
      "typing_delay": 3.982,
      "typing_duration": 3.982,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 299,
      "agent_id": 5,
      "delay": 3.98,
      "onscreen_delay": 0,
      "typing_delay": 3.98,
      "typing_duration": 3.98,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 300,
      "agent_id": 2,
      "delay": 3.976,
      "onscreen_delay": 0,
      "typing_delay": 3.976,
      "typing_duration": 3.976,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 301,
      "agent_id": 3,
      "delay": 3.974,
      "onscreen_delay": 0,
      "typing_delay": 3.974,
      "typing_duration": 3.974,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 302,
      "agent_id": 4,
      "delay": 3.974,
      "onscreen_delay": 0,
      "typing_delay": 3.974,
      "typing_duration": 3.974,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 303,
      "agent_id": 5,
      "delay": 3.972,
      "onscreen_delay": 0,
      "typing_delay": 3.972,
      "typing_duration": 3.972,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 304,
      "agent_id": 2,
      "delay": 3.971,
      "onscreen_delay": 0,
      "typing_delay": 3.971,
      "typing_duration": 3.971,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 305,
      "agent_id": 3,
      "delay": 3.969,
      "onscreen_delay": 0,
      "typing_delay": 3.969,
      "typing_duration": 3.969,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 306,
      "agent_id": 4,
      "delay": 3.967,
      "onscreen_delay": 0,
      "typing_delay": 3.967,
      "typing_duration": 3.967,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 307,
      "agent_id": 5,
      "delay": 3.964,
      "onscreen_delay": 0,
      "typing_delay": 3.964,
      "typing_duration": 3.964,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 308,
      "agent_id": 2,
      "delay": 0.247,
      "onscreen_delay": 0,
      "typing_delay": 0.247,
      "typing_duration": 3.962,
      "wpm": 49,
      "message": "คราวนี้ดูนะคะ"
    },
    {
      "message_id": 309,
      "agent_id": 3,
      "delay": 0.06,
      "onscreen_delay": 0,
      "typing_delay": 0.06,
      "typing_duration": 3.959,
      "wpm": 144,
      "message": "ครูมี Stack มาให้ Stack ครูมีกี่ช่องคะ"
    },
    {
      "message_id": 310,
      "agent_id": 4,
      "delay": 0.086,
      "onscreen_delay": 0,
      "typing_delay": 0.086,
      "typing_duration": 3.957,
      "wpm": 114,
      "message": "มี 4 ช่องในแนวตั้งถูกหรือเปล่า"
    },
    {
      "message_id": 311,
      "agent_id": 5,
      "delay": 0.071,
      "onscreen_delay": 0,
      "typing_delay": 0.071,
      "typing_duration": 3.956,
      "wpm": 129,
      "message": "เป็น Stack ในแนวตั้ง มี 4 ช่องนะคะ"
    },
    {
      "message_id": 312,
      "agent_id": 2,
      "delay": 0.126,
      "onscreen_delay": 0,
      "typing_delay": 0.126,
      "typing_duration": 3.955,
      "wpm": 83,
      "message": "ตัวแรก ตัวแรกน่ะจะอยู่"
    },
    {
      "message_id": 313,
      "agent_id": 3,
      "delay": 0.021,
      "onscreen_delay": 0,
      "typing_delay": 0.021,
      "typing_duration": 3.953,
      "wpm": 216,
      "message": "ด้านฐาน จะอยู่ด้านล่างสุดนะ เวลาเราหย่อนข้อมูลลงไป ตัวแรก"
    },
    {
      "message_id": 314,
      "agent_id": 4,
      "delay": 0.035,
      "onscreen_delay": 0,
      "typing_delay": 0.035,
      "typing_duration": 3.95,
      "wpm": 175,
      "message": "จะลงมาอยู่ช่องล่างสุดแล้วค่อยขยับไปช่องถัดไป ๆ"
    },
    {
      "message_id": 315,
      "agent_id": 5,
      "delay": 0.031,
      "onscreen_delay": 0,
      "typing_delay": 0.031,
      "typing_duration": 3.949,
      "wpm": 186,
      "message": "นะคะ จะซ้อนขึ้นไปข้างบนนะ ถ้าเป็น Stack ในแนวตั้ง"
    },
    {
      "message_id": 316,
      "agent_id": 2,
      "delay": 0.519,
      "onscreen_delay": 0,
      "typing_delay": 0.519,
      "typing_duration": 3.948,
      "wpm": 23,
      "message": "คำสั่ง"
    },
    {
      "message_id": 317,
      "agent_id": 3,
      "delay": 0.026,
      "onscreen_delay": 0,
      "typing_delay": 0.026,
      "typing_duration": 3.946,
      "wpm": 186,
      "message": "อย่างที่บอกเรามีแค่ 2 คำสั่งนะ มีแค่ Push กับ Pop"
    },
    {
      "message_id": 318,
      "agent_id": 4,
      "delay": 0.23,
      "onscreen_delay": 0,
      "typing_delay": 0.23,
      "typing_duration": 3.949,
      "wpm": 49,
      "message": "ใช่ไหมคะ Push"
    },
    {
      "message_id": 319,
      "agent_id": 5,
      "delay": 0.347,
      "onscreen_delay": 0,
      "typing_delay": 0.347,
      "typing_duration": 3.944,
      "wpm": 34,
      "message": "ใส่ข้อมูล"
    },
    {
      "message_id": 320,
      "agent_id": 2,
      "delay": 0.443,
      "onscreen_delay": 0,
      "typing_delay": 0.443,
      "typing_duration": 3.943,
      "wpm": 27,
      "message": "กับ Pop"
    },
    {
      "message_id": 321,
      "agent_id": 3,
      "delay": 0.075,
      "onscreen_delay": 0,
      "typing_delay": 0.075,
      "typing_duration": 3.942,
      "wpm": 110,
      "message": "เอาข้อมูลออก คือ ใส่กับเอาออก"
    },
    {
      "message_id": 322,
      "agent_id": 4,
      "delay": 0.207,
      "onscreen_delay": 0,
      "typing_delay": 0.207,
      "typing_duration": 3.941,
      "wpm": 53,
      "message": "นะคะ คราวนี้ดู"
    },
    {
      "message_id": 323,
      "agent_id": 5,
      "delay": 0.035,
      "onscreen_delay": 0,
      "typing_delay": 0.035,
      "typing_duration": 3.94,
      "wpm": 152,
      "message": "Push 5 เห็นไหมคะ ครูใส่หมายเลขช่องก่อนนะ"
    },
    {
      "message_id": 324,
      "agent_id": 2,
      "delay": 0.059,
      "onscreen_delay": 0,
      "typing_delay": 0.059,
      "typing_duration": 3.937,
      "wpm": 122,
      "message": "อันนี้เป็นหมานยเลข 1, 0, 1, 2, 3"
    },
    {
      "message_id": 325,
      "agent_id": 3,
      "delay": 0.088,
      "onscreen_delay": 0,
      "typing_delay": 0.088,
      "typing_duration": 3.936,
      "wpm": 95,
      "message": "เราจะได้เข้าใจตรงกัน โอเค"
    },
    {
      "message_id": 326,
      "agent_id": 4,
      "delay": 0.045,
      "onscreen_delay": 0,
      "typing_delay": 0.045,
      "typing_duration": 3.934,
      "wpm": 133,
      "message": "นะคะ มีหลายเลขช่องแล้วนะ มี 0 1 2 3"
    },
    {
      "message_id": 327,
      "agent_id": 5,
      "delay": 0.133,
      "onscreen_delay": 0,
      "typing_delay": 0.133,
      "typing_duration": 3.933,
      "wpm": 72,
      "message": "ครูสั่ง Push 5 5 จะ"
    },
    {
      "message_id": 328,
      "agent_id": 2,
      "delay": 0.069,
      "onscreen_delay": 0,
      "typing_delay": 0.069,
      "typing_duration": 3.933,
      "wpm": 107,
      "message": "ไปอยู่ที่ช่องไหน ช่องไหนเอ่ย"
    },
    {
      "message_id": 329,
      "agent_id": 3,
      "delay": 0.08,
      "onscreen_delay": 0,
      "typing_delay": 0.08,
      "typing_duration": 3.932,
      "wpm": 99,
      "message": "ช่องหมายเลขอะไร ครูหย่อน 5"
    },
    {
      "message_id": 330,
      "agent_id": 4,
      "delay": 0.051,
      "onscreen_delay": 0,
      "typing_delay": 0.051,
      "typing_duration": 3.93,
      "wpm": 130,
      "message": "ลงไปมันก็จะไหลลงมาอยู่ที่ช่องไหนคะ"
    },
    {
      "message_id": 331,
      "agent_id": 5,
      "delay": 0.051,
      "onscreen_delay": 0,
      "typing_delay": 0.051,
      "typing_duration": 3.93,
      "wpm": 122,
      "message": "ช่อง 0 เห็นไหม พอครูหย่อน 5 ลงมา"
    },
    {
      "message_id": 332,
      "agent_id": 2,
      "delay": 0.076,
      "onscreen_delay": 0,
      "typing_delay": 0.076,
      "typing_duration": 3.934,
      "wpm": 103,
      "message": "ไหลลงมาเรื่อย ๆ จนมาอยู่ที่"
    },
    {
      "message_id": 333,
      "agent_id": 3,
      "delay": 0.039,
      "onscreen_delay": 0,
      "typing_delay": 0.039,
      "typing_duration": 3.925,
      "wpm": 130,
      "message": "ช่อง 0 เสร็จแล้วครูสั่งคำสั่ง Push"
    },
    {
      "message_id": 334,
      "agent_id": 4,
      "delay": 0.078,
      "onscreen_delay": 0,
      "typing_delay": 0.078,
      "typing_duration": 3.924,
      "wpm": 96,
      "message": "10 เดิมมันมี 5 อยู่แล้วนะ"
    },
    {
      "message_id": 335,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.922,
      "wpm": 195,
      "message": "แล้วครูสั่ง Push 10 เพราะฉะนั้น 10 จะมาอยู่ที่ไหนคะ"
    },
    {
      "message_id": 336,
      "agent_id": 2,
      "delay": 0.186,
      "onscreen_delay": 0,
      "typing_delay": 0.186,
      "typing_duration": 3.921,
      "wpm": 54,
      "message": "10 จะมาอยู่ที่"
    },
    {
      "message_id": 337,
      "agent_id": 3,
      "delay": 0.056,
      "onscreen_delay": 0,
      "typing_delay": 0.056,
      "typing_duration": 3.92,
      "wpm": 107,
      "message": "1 ถูกไหมคะ ก็หย่อน 10 ลงมานะ"
    },
    {
      "message_id": 338,
      "agent_id": 4,
      "delay": 0.321,
      "onscreen_delay": 0,
      "typing_delay": 0.321,
      "typing_duration": 3.918,
      "wpm": 34,
      "message": "ถัดมาเดิม"
    },
    {
      "message_id": 339,
      "agent_id": 5,
      "delay": 0.007,
      "onscreen_delay": 0,
      "typing_delay": 0.007,
      "typing_duration": 3.917,
      "wpm": 165,
      "message": "เดิม มี 5 กับ 10 แล้ว ครูเขียนเรียบร้อยก่อน"
    },
    {
      "message_id": 340,
      "agent_id": 2,
      "delay": 0.041,
      "onscreen_delay": 0,
      "typing_delay": 0.041,
      "typing_duration": 3.916,
      "wpm": 119,
      "message": "นะคะ ใส่ที่ช่อง 0 กับช่อง 1 ครู"
    },
    {
      "message_id": 341,
      "agent_id": 3,
      "delay": 0.01,
      "onscreen_delay": 0,
      "typing_delay": 0.01,
      "typing_duration": 3.913,
      "wpm": 153,
      "message": "สั่ง Push 15 ไปอยู่ที่ช่องไหนคะ 2 ใช่ไหม"
    },
    {
      "message_id": 342,
      "agent_id": 4,
      "delay": 0.06,
      "onscreen_delay": 0,
      "typing_delay": 0.06,
      "typing_duration": 3.913,
      "wpm": 100,
      "message": "เห็นไหม พอ Push ข้อมูลลงไป"
    },
    {
      "message_id": 343,
      "agent_id": 5,
      "delay": 0.044,
      "onscreen_delay": 0,
      "typing_delay": 0.044,
      "typing_duration": 3.911,
      "wpm": 111,
      "message": "คราวนี้ จากรูปนี้ ครูสั่ง Pop"
    },
    {
      "message_id": 344,
      "agent_id": 2,
      "delay": 0.217,
      "onscreen_delay": 0,
      "typing_delay": 0.217,
      "typing_duration": 3.91,
      "wpm": 46,
      "message": "เอาอะไรออกมา"
    },
    {
      "message_id": 345,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.907,
      "wpm": 161,
      "message": "จากรูปนี้พอครูสั่ง Pop ปุ๊บ เอาอะไรออกมาคะ"
    },
    {
      "message_id": 346,
      "agent_id": 4,
      "delay": 0.14,
      "onscreen_delay": 0,
      "typing_delay": 0.14,
      "typing_duration": 3.905,
      "wpm": 61,
      "message": "เอาอะไรออกมาเอ่ย"
    },
    {
      "message_id": 347,
      "agent_id": 5,
      "delay": 0.086,
      "onscreen_delay": 0,
      "typing_delay": 0.086,
      "typing_duration": 3.905,
      "wpm": 81,
      "message": "15 ใช่ไหม เอาตัวบนสุด"
    },
    {
      "message_id": 348,
      "agent_id": 2,
      "delay": 0.569,
      "onscreen_delay": 0,
      "typing_delay": 0.569,
      "typing_duration": 3.903,
      "wpm": 19,
      "message": "เลือก"
    },
    {
      "message_id": 349,
      "agent_id": 3,
      "delay": 0.346,
      "onscreen_delay": 0,
      "typing_delay": 0.346,
      "typing_duration": 3.903,
      "wpm": 31,
      "message": "เราเลือก"
    },
    {
      "message_id": 350,
      "agent_id": 4,
      "delay": 0.082,
      "onscreen_delay": 0,
      "typing_delay": 0.082,
      "typing_duration": 3.901,
      "wpm": 81,
      "message": "ตัวบนสุดออกมาใช่ไหมคะ"
    },
    {
      "message_id": 351,
      "agent_id": 5,
      "delay": 0.067,
      "onscreen_delay": 0,
      "typing_delay": 0.067,
      "typing_duration": 3.901,
      "wpm": 88,
      "message": "เพราะฉะนั้น 15 จะถูกดึง"
    },
    {
      "message_id": 352,
      "agent_id": 2,
      "delay": 0.08,
      "onscreen_delay": 0,
      "typing_delay": 0.08,
      "typing_duration": 3.899,
      "wpm": 81,
      "message": "ออกมาข้างนอกเห็นไหมคะ"
    },
    {
      "message_id": 353,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.896,
      "wpm": 154,
      "message": "เพราะฉะนั้น ใน Stack จะเหลือแค่ 10 กับ 5"
    },
    {
      "message_id": 354,
      "agent_id": 4,
      "delay": 0.065,
      "onscreen_delay": 0,
      "typing_delay": 0.065,
      "typing_duration": 3.892,
      "wpm": 85,
      "message": "ครูสั่ง Pop อีกทีหนึ่ง"
    },
    {
      "message_id": 355,
      "agent_id": 5,
      "delay": 0.091,
      "onscreen_delay": 0,
      "typing_delay": 0.091,
      "typing_duration": 3.891,
      "wpm": 73,
      "message": "เอาอะไรออกมาคะ เดิม"
    },
    {
      "message_id": 356,
      "agent_id": 2,
      "delay": 0.222,
      "onscreen_delay": 0,
      "typing_delay": 0.222,
      "typing_duration": 3.89,
      "wpm": 42,
      "message": "มี 5 กับ 10"
    },
    {
      "message_id": 357,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.886,
      "wpm": 185,
      "message": "คราวนี้เอาอะไรออกมา ครูสั่ง Pop ปุ๊บ อะไรออกมาคะ"
    },
    {
      "message_id": 358,
      "agent_id": 4,
      "delay": 0.01,
      "onscreen_delay": 0,
      "typing_delay": 0.01,
      "typing_duration": 3.886,
      "wpm": 120,
      "message": "10 ออกมาเห็นไหม 10 ไม่เหลือแล้ว"
    },
    {
      "message_id": 359,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.884,
      "wpm": 170,
      "message": "เพราะฉะนั้น ตอนนี้ ใน Stack เราเหลือกี่ค่าคะ"
    },
    {
      "message_id": 360,
      "agent_id": 2,
      "delay": 0.104,
      "onscreen_delay": 0,
      "typing_delay": 0.104,
      "typing_duration": 3.882,
      "wpm": 66,
      "message": "ค่าเดียว คือเลข 5"
    },
    {
      "message_id": 361,
      "agent_id": 3,
      "delay": 0.01,
      "onscreen_delay": 0,
      "typing_delay": 0.01,
      "typing_duration": 3.881,
      "wpm": 116,
      "message": "จดตัวนี้ไว้ในกระดาษให้ครูหน่อย"
    },
    {
      "message_id": 362,
      "agent_id": 4,
      "delay": 3.88,
      "onscreen_delay": 0,
      "typing_delay": 3.88,
      "typing_duration": 3.88,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 363,
      "agent_id": 5,
      "delay": 0.032,
      "onscreen_delay": 0,
      "typing_delay": 0.032,
      "typing_duration": 3.879,
      "wpm": 97,
      "message": "เดี๋ยวครูจะให้ทำแบบฝึกหัด"
    },
    {
      "message_id": 364,
      "agent_id": 2,
      "delay": 0.677,
      "onscreen_delay": 0,
      "typing_delay": 0.677,
      "typing_duration": 3.879,
      "wpm": 15,
      "message": "นะคะ"
    },
    {
      "message_id": 365,
      "agent_id": 3,
      "delay": 3.876,
      "onscreen_delay": 0,
      "typing_delay": 3.876,
      "typing_duration": 3.876,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 366,
      "agent_id": 4,
      "delay": 3.873,
      "onscreen_delay": 0,
      "typing_delay": 3.873,
      "typing_duration": 3.873,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 367,
      "agent_id": 5,
      "delay": 3.872,
      "onscreen_delay": 0,
      "typing_delay": 3.872,
      "typing_duration": 3.872,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 368,
      "agent_id": 2,
      "delay": 3.871,
      "onscreen_delay": 0,
      "typing_delay": 3.871,
      "typing_duration": 3.871,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 369,
      "agent_id": 3,
      "delay": 3.87,
      "onscreen_delay": 0,
      "typing_delay": 3.87,
      "typing_duration": 3.87,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 370,
      "agent_id": 4,
      "delay": 3.866,
      "onscreen_delay": 0,
      "typing_delay": 3.866,
      "typing_duration": 3.866,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 371,
      "agent_id": 5,
      "delay": 3.866,
      "onscreen_delay": 0,
      "typing_delay": 3.866,
      "typing_duration": 3.866,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 372,
      "agent_id": 2,
      "delay": 3.864,
      "onscreen_delay": 0,
      "typing_delay": 3.864,
      "typing_duration": 3.864,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 373,
      "agent_id": 3,
      "delay": 3.862,
      "onscreen_delay": 0,
      "typing_delay": 3.862,
      "typing_duration": 3.862,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 374,
      "agent_id": 4,
      "delay": 3.865,
      "onscreen_delay": 0,
      "typing_delay": 3.865,
      "typing_duration": 3.865,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 375,
      "agent_id": 5,
      "delay": 3.86,
      "onscreen_delay": 0,
      "typing_delay": 3.86,
      "typing_duration": 3.86,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 376,
      "agent_id": 2,
      "delay": 3.859,
      "onscreen_delay": 0,
      "typing_delay": 3.859,
      "typing_duration": 3.859,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 377,
      "agent_id": 3,
      "delay": 3.858,
      "onscreen_delay": 0,
      "typing_delay": 3.858,
      "typing_duration": 3.858,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 378,
      "agent_id": 4,
      "delay": 3.855,
      "onscreen_delay": 0,
      "typing_delay": 3.855,
      "typing_duration": 3.855,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 379,
      "agent_id": 5,
      "delay": 3.854,
      "onscreen_delay": 0,
      "typing_delay": 3.854,
      "typing_duration": 3.854,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 380,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.853,
      "wpm": 136,
      "message": "มีกระดาษไหมคะ มีใครไม่มีกระดาษไหมคะ"
    },
    {
      "message_id": 381,
      "agent_id": 3,
      "delay": 0.012,
      "onscreen_delay": 0,
      "typing_delay": 0.012,
      "typing_duration": 3.852,
      "wpm": 93,
      "message": "ครูมีกระดาษมาแจก มีไหมคะ"
    },
    {
      "message_id": 382,
      "agent_id": 4,
      "delay": 0.184,
      "onscreen_delay": 0,
      "typing_delay": 0.184,
      "typing_duration": 3.851,
      "wpm": 43,
      "message": "มันจะมีเส้น"
    },
    {
      "message_id": 383,
      "agent_id": 5,
      "delay": 3.849,
      "onscreen_delay": 0,
      "typing_delay": 3.849,
      "typing_duration": 3.849,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 384,
      "agent_id": 2,
      "delay": 3.846,
      "onscreen_delay": 0,
      "typing_delay": 3.846,
      "typing_duration": 3.846,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 385,
      "agent_id": 3,
      "delay": 3.844,
      "onscreen_delay": 0,
      "typing_delay": 3.844,
      "typing_duration": 3.844,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 386,
      "agent_id": 4,
      "delay": 3.843,
      "onscreen_delay": 0,
      "typing_delay": 3.843,
      "typing_duration": 3.843,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 387,
      "agent_id": 5,
      "delay": 3.842,
      "onscreen_delay": 0,
      "typing_delay": 3.842,
      "typing_duration": 3.842,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 388,
      "agent_id": 2,
      "delay": 3.839,
      "onscreen_delay": 0,
      "typing_delay": 3.839,
      "typing_duration": 3.839,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 389,
      "agent_id": 3,
      "delay": 3.842,
      "onscreen_delay": 0,
      "typing_delay": 3.842,
      "typing_duration": 3.842,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 390,
      "agent_id": 4,
      "delay": 3.838,
      "onscreen_delay": 0,
      "typing_delay": 3.838,
      "typing_duration": 3.838,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 391,
      "agent_id": 5,
      "delay": 3.835,
      "onscreen_delay": 0,
      "typing_delay": 3.835,
      "typing_duration": 3.835,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 392,
      "agent_id": 2,
      "delay": 3.833,
      "onscreen_delay": 0,
      "typing_delay": 3.833,
      "typing_duration": 3.833,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 393,
      "agent_id": 3,
      "delay": 3.826,
      "onscreen_delay": 0,
      "typing_delay": 3.826,
      "typing_duration": 3.826,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 394,
      "agent_id": 4,
      "delay": 3.825,
      "onscreen_delay": 0,
      "typing_delay": 3.825,
      "typing_duration": 3.825,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 395,
      "agent_id": 5,
      "delay": 3.824,
      "onscreen_delay": 0,
      "typing_delay": 3.824,
      "typing_duration": 3.824,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 396,
      "agent_id": 2,
      "delay": 3.823,
      "onscreen_delay": 0,
      "typing_delay": 3.823,
      "typing_duration": 3.823,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 397,
      "agent_id": 3,
      "delay": 3.822,
      "onscreen_delay": 0,
      "typing_delay": 3.822,
      "typing_duration": 3.822,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 398,
      "agent_id": 4,
      "delay": 3.819,
      "onscreen_delay": 0,
      "typing_delay": 3.819,
      "typing_duration": 3.819,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 399,
      "agent_id": 5,
      "delay": 3.818,
      "onscreen_delay": 0,
      "typing_delay": 3.818,
      "typing_duration": 3.818,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 400,
      "agent_id": 2,
      "delay": 3.814,
      "onscreen_delay": 0,
      "typing_delay": 3.814,
      "typing_duration": 3.814,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 401,
      "agent_id": 3,
      "delay": 3.814,
      "onscreen_delay": 0,
      "typing_delay": 3.814,
      "typing_duration": 3.814,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 402,
      "agent_id": 4,
      "delay": 3.812,
      "onscreen_delay": 0,
      "typing_delay": 3.812,
      "typing_duration": 3.812,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 403,
      "agent_id": 5,
      "delay": 3.812,
      "onscreen_delay": 0,
      "typing_delay": 3.812,
      "typing_duration": 3.812,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 404,
      "agent_id": 2,
      "delay": 3.809,
      "onscreen_delay": 0,
      "typing_delay": 3.809,
      "typing_duration": 3.809,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 405,
      "agent_id": 3,
      "delay": 3.809,
      "onscreen_delay": 0,
      "typing_delay": 3.809,
      "typing_duration": 3.809,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 406,
      "agent_id": 4,
      "delay": 3.807,
      "onscreen_delay": 0,
      "typing_delay": 3.807,
      "typing_duration": 3.807,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 407,
      "agent_id": 5,
      "delay": 3.807,
      "onscreen_delay": 0,
      "typing_delay": 3.807,
      "typing_duration": 3.807,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 408,
      "agent_id": 2,
      "delay": 3.805,
      "onscreen_delay": 0,
      "typing_delay": 3.805,
      "typing_duration": 3.805,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 409,
      "agent_id": 3,
      "delay": 3.805,
      "onscreen_delay": 0,
      "typing_delay": 3.805,
      "typing_duration": 3.805,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 410,
      "agent_id": 4,
      "delay": 3.8,
      "onscreen_delay": 0,
      "typing_delay": 3.8,
      "typing_duration": 3.8,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 411,
      "agent_id": 5,
      "delay": 3.798,
      "onscreen_delay": 0,
      "typing_delay": 3.798,
      "typing_duration": 3.798,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 412,
      "agent_id": 2,
      "delay": 3.797,
      "onscreen_delay": 0,
      "typing_delay": 3.797,
      "typing_duration": 3.797,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 413,
      "agent_id": 3,
      "delay": 3.794,
      "onscreen_delay": 0,
      "typing_delay": 3.794,
      "typing_duration": 3.794,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 414,
      "agent_id": 4,
      "delay": 3.792,
      "onscreen_delay": 0,
      "typing_delay": 3.792,
      "typing_duration": 3.792,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 415,
      "agent_id": 5,
      "delay": 3.789,
      "onscreen_delay": 0,
      "typing_delay": 3.789,
      "typing_duration": 3.789,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 416,
      "agent_id": 2,
      "delay": 3.785,
      "onscreen_delay": 0,
      "typing_delay": 3.785,
      "typing_duration": 3.785,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 417,
      "agent_id": 3,
      "delay": 3.784,
      "onscreen_delay": 0,
      "typing_delay": 3.784,
      "typing_duration": 3.784,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 418,
      "agent_id": 4,
      "delay": 3.781,
      "onscreen_delay": 0,
      "typing_delay": 3.781,
      "typing_duration": 3.781,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 419,
      "agent_id": 5,
      "delay": 3.779,
      "onscreen_delay": 0,
      "typing_delay": 3.779,
      "typing_duration": 3.779,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 420,
      "agent_id": 2,
      "delay": 3.778,
      "onscreen_delay": 0,
      "typing_delay": 3.778,
      "typing_duration": 3.778,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 421,
      "agent_id": 3,
      "delay": 3.777,
      "onscreen_delay": 0,
      "typing_delay": 3.777,
      "typing_duration": 3.777,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 422,
      "agent_id": 4,
      "delay": 3.776,
      "onscreen_delay": 0,
      "typing_delay": 3.776,
      "typing_duration": 3.776,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 423,
      "agent_id": 5,
      "delay": 3.774,
      "onscreen_delay": 0,
      "typing_delay": 3.774,
      "typing_duration": 3.774,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 424,
      "agent_id": 2,
      "delay": 3.772,
      "onscreen_delay": 0,
      "typing_delay": 3.772,
      "typing_duration": 3.772,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 425,
      "agent_id": 3,
      "delay": 3.771,
      "onscreen_delay": 0,
      "typing_delay": 3.771,
      "typing_duration": 3.771,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 426,
      "agent_id": 4,
      "delay": 3.77,
      "onscreen_delay": 0,
      "typing_delay": 3.77,
      "typing_duration": 3.77,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 427,
      "agent_id": 5,
      "delay": 3.768,
      "onscreen_delay": 0,
      "typing_delay": 3.768,
      "typing_duration": 3.768,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 428,
      "agent_id": 2,
      "delay": 3.767,
      "onscreen_delay": 0,
      "typing_delay": 3.767,
      "typing_duration": 3.767,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 429,
      "agent_id": 3,
      "delay": 3.771,
      "onscreen_delay": 0,
      "typing_delay": 3.771,
      "typing_duration": 3.771,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 430,
      "agent_id": 4,
      "delay": 3.764,
      "onscreen_delay": 0,
      "typing_delay": 3.764,
      "typing_duration": 3.764,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 431,
      "agent_id": 5,
      "delay": 3.762,
      "onscreen_delay": 0,
      "typing_delay": 3.762,
      "typing_duration": 3.762,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 432,
      "agent_id": 2,
      "delay": 3.759,
      "onscreen_delay": 0,
      "typing_delay": 3.759,
      "typing_duration": 3.759,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 433,
      "agent_id": 3,
      "delay": 3.757,
      "onscreen_delay": 0,
      "typing_delay": 3.757,
      "typing_duration": 3.757,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 434,
      "agent_id": 4,
      "delay": 3.756,
      "onscreen_delay": 0,
      "typing_delay": 3.756,
      "typing_duration": 3.756,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 435,
      "agent_id": 5,
      "delay": 3.754,
      "onscreen_delay": 0,
      "typing_delay": 3.754,
      "typing_duration": 3.754,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 436,
      "agent_id": 2,
      "delay": 3.752,
      "onscreen_delay": 0,
      "typing_delay": 3.752,
      "typing_duration": 3.752,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 437,
      "agent_id": 3,
      "delay": 3.751,
      "onscreen_delay": 0,
      "typing_delay": 3.751,
      "typing_duration": 3.751,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 438,
      "agent_id": 4,
      "delay": 3.75,
      "onscreen_delay": 0,
      "typing_delay": 3.75,
      "typing_duration": 3.75,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 439,
      "agent_id": 5,
      "delay": 3.749,
      "onscreen_delay": 0,
      "typing_delay": 3.749,
      "typing_duration": 3.749,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 440,
      "agent_id": 2,
      "delay": 3.748,
      "onscreen_delay": 0,
      "typing_delay": 3.748,
      "typing_duration": 3.748,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 441,
      "agent_id": 3,
      "delay": 3.746,
      "onscreen_delay": 0,
      "typing_delay": 3.746,
      "typing_duration": 3.746,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 442,
      "agent_id": 4,
      "delay": 3.746,
      "onscreen_delay": 0,
      "typing_delay": 3.746,
      "typing_duration": 3.746,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 443,
      "agent_id": 5,
      "delay": 3.741,
      "onscreen_delay": 0,
      "typing_delay": 3.741,
      "typing_duration": 3.741,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 444,
      "agent_id": 2,
      "delay": 3.746,
      "onscreen_delay": 0,
      "typing_delay": 3.746,
      "typing_duration": 3.746,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 445,
      "agent_id": 3,
      "delay": 3.737,
      "onscreen_delay": 0,
      "typing_delay": 3.737,
      "typing_duration": 3.737,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 446,
      "agent_id": 4,
      "delay": 3.736,
      "onscreen_delay": 0,
      "typing_delay": 3.736,
      "typing_duration": 3.736,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 447,
      "agent_id": 5,
      "delay": 3.735,
      "onscreen_delay": 0,
      "typing_delay": 3.735,
      "typing_duration": 3.735,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 448,
      "agent_id": 2,
      "delay": 3.733,
      "onscreen_delay": 0,
      "typing_delay": 3.733,
      "typing_duration": 3.733,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 449,
      "agent_id": 3,
      "delay": 3.733,
      "onscreen_delay": 0,
      "typing_delay": 3.733,
      "typing_duration": 3.733,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 450,
      "agent_id": 4,
      "delay": 3.73,
      "onscreen_delay": 0,
      "typing_delay": 3.73,
      "typing_duration": 3.73,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 451,
      "agent_id": 5,
      "delay": 3.73,
      "onscreen_delay": 0,
      "typing_delay": 3.73,
      "typing_duration": 3.73,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 452,
      "agent_id": 2,
      "delay": 3.729,
      "onscreen_delay": 0,
      "typing_delay": 3.729,
      "typing_duration": 3.729,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 453,
      "agent_id": 3,
      "delay": 3.727,
      "onscreen_delay": 0,
      "typing_delay": 3.727,
      "typing_duration": 3.727,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 454,
      "agent_id": 4,
      "delay": 3.727,
      "onscreen_delay": 0,
      "typing_delay": 3.727,
      "typing_duration": 3.727,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 455,
      "agent_id": 5,
      "delay": 3.725,
      "onscreen_delay": 0,
      "typing_delay": 3.725,
      "typing_duration": 3.725,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 456,
      "agent_id": 2,
      "delay": 3.722,
      "onscreen_delay": 0,
      "typing_delay": 3.722,
      "typing_duration": 3.722,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 457,
      "agent_id": 3,
      "delay": 3.721,
      "onscreen_delay": 0,
      "typing_delay": 3.721,
      "typing_duration": 3.721,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 458,
      "agent_id": 4,
      "delay": 3.718,
      "onscreen_delay": 0,
      "typing_delay": 3.718,
      "typing_duration": 3.718,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 459,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.715,
      "wpm": 145,
      "message": "คราวนี้นะคะ ครูมีโจทย์มาให้ แล้วก็มี"
    },
    {
      "message_id": 460,
      "agent_id": 2,
      "delay": 0.048,
      "onscreen_delay": 0,
      "typing_delay": 0.048,
      "typing_duration": 3.714,
      "wpm": 44,
      "message": "คำสั่งมาให้"
    },
    {
      "message_id": 461,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.713,
      "wpm": 141,
      "message": "ทำเหมือนเดิมเลยใช่ไหมคะ แต่ครูมีตัว"
    },
    {
      "message_id": 462,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.709,
      "wpm": 162,
      "message": "เริ่มต้นให้ ครูมีให้อยู่แล้วอยู่ใน Stack"
    },
    {
      "message_id": 463,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.708,
      "wpm": 97,
      "message": "ใช่ไหมคะ อันแรก เราหย่อน"
    },
    {
      "message_id": 464,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.706,
      "wpm": 146,
      "message": "เลข 2 ลงไป อันที่ 2 เขียนของเดิมก่อน"
    },
    {
      "message_id": 465,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.706,
      "wpm": 130,
      "message": "ใช่ไหมคะ แล้วค่อยหย่อนเลข 7 ลงไป"
    },
    {
      "message_id": 466,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.705,
      "wpm": 77,
      "message": "ถัดมาหย่อนเลข 1 Pop"
    },
    {
      "message_id": 467,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.703,
      "wpm": 166,
      "message": "คือ เอาออกนะ คือ เอาออก แล้วบอกครูด้วยว่า"
    },
    {
      "message_id": 468,
      "agent_id": 2,
      "delay": 0.272,
      "onscreen_delay": 0,
      "typing_delay": 0.272,
      "typing_duration": 3.704,
      "wpm": 24,
      "message": "ข้อมูล"
    },
    {
      "message_id": 469,
      "agent_id": 3,
      "delay": 0.033,
      "onscreen_delay": 0,
      "typing_delay": 0.033,
      "typing_duration": 3.701,
      "wpm": 45,
      "message": "ที่เอาออกมา"
    },
    {
      "message_id": 470,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.7,
      "wpm": 69,
      "message": "คืออะไร เสร็จแล้ว"
    },
    {
      "message_id": 471,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.697,
      "wpm": 183,
      "message": "ก็มีคำสั่งตัวสุดท้าย ก็คือ Push ตัวเลข 7 ลงไป"
    },
    {
      "message_id": 472,
      "agent_id": 2,
      "delay": 3.696,
      "onscreen_delay": 0,
      "typing_delay": 3.696,
      "typing_duration": 3.696,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 473,
      "agent_id": 3,
      "delay": 0.028,
      "onscreen_delay": 0,
      "typing_delay": 0.028,
      "typing_duration": 3.696,
      "wpm": 45,
      "message": "ลองทำดูนะคะ"
    },
    {
      "message_id": 474,
      "agent_id": 4,
      "delay": 3.692,
      "onscreen_delay": 0,
      "typing_delay": 3.692,
      "typing_duration": 3.692,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 475,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.69,
      "wpm": 81,
      "message": "เพราะฉะนั้น แต่ละข้อ"
    },
    {
      "message_id": 476,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.686,
      "wpm": 94,
      "message": "มันจะต่อเนื่องกันไปนะคะ"
    },
    {
      "message_id": 477,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.682,
      "wpm": 147,
      "message": "ทำตัวแรก ข้อที่ 1 เสร็จ เอาข้อมูลนี่"
    },
    {
      "message_id": 478,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.685,
      "wpm": 130,
      "message": "มาตั้งต้นไว้ก่อนแล้วเราค่อย Push"
    },
    {
      "message_id": 479,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.679,
      "wpm": 151,
      "message": "เลข 7 ลงไป เดี๋ยวเราทำด้วยกัน 1 ข้อนะ"
    },
    {
      "message_id": 480,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.678,
      "wpm": 126,
      "message": "อันนี้คือ Push เลข 2 หย่อนเลข 2"
    },
    {
      "message_id": 481,
      "agent_id": 3,
      "delay": 0.476,
      "onscreen_delay": 0,
      "typing_delay": 0.476,
      "typing_duration": 3.677,
      "wpm": 16,
      "message": "ลงไป"
    },
    {
      "message_id": 482,
      "agent_id": 4,
      "delay": 3.677,
      "onscreen_delay": 0,
      "typing_delay": 3.677,
      "typing_duration": 3.677,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 483,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.675,
      "wpm": 155,
      "message": "ข้อที่ 2 ครูจะใส่เลข 7 เพราะฉะนั้น ครู"
    },
    {
      "message_id": 484,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.674,
      "wpm": 86,
      "message": "ต้องใส่ข้อมูลเดิมก่อน"
    },
    {
      "message_id": 485,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.673,
      "wpm": 151,
      "message": "และก็หย่อนเลข 7 ลงไป ทำต่อให้ครูหน่อย"
    },
    {
      "message_id": 486,
      "agent_id": 4,
      "delay": 0.072,
      "onscreen_delay": 0,
      "typing_delay": 0.072,
      "typing_duration": 3.672,
      "wpm": 37,
      "message": "อีก 3 อัน"
    },
    {
      "message_id": 487,
      "agent_id": 5,
      "delay": 3.671,
      "onscreen_delay": 0,
      "typing_delay": 3.671,
      "typing_duration": 3.671,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 488,
      "agent_id": 2,
      "delay": 3.668,
      "onscreen_delay": 0,
      "typing_delay": 3.668,
      "typing_duration": 3.668,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 489,
      "agent_id": 3,
      "delay": 3.668,
      "onscreen_delay": 0,
      "typing_delay": 3.668,
      "typing_duration": 3.668,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 490,
      "agent_id": 4,
      "delay": 3.665,
      "onscreen_delay": 0,
      "typing_delay": 3.665,
      "typing_duration": 3.665,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 491,
      "agent_id": 5,
      "delay": 3.664,
      "onscreen_delay": 0,
      "typing_delay": 3.664,
      "typing_duration": 3.664,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 492,
      "agent_id": 2,
      "delay": 3.663,
      "onscreen_delay": 0,
      "typing_delay": 3.663,
      "typing_duration": 3.663,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 493,
      "agent_id": 3,
      "delay": 3.662,
      "onscreen_delay": 0,
      "typing_delay": 3.662,
      "typing_duration": 3.662,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 494,
      "agent_id": 4,
      "delay": 3.66,
      "onscreen_delay": 0,
      "typing_delay": 3.66,
      "typing_duration": 3.66,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 495,
      "agent_id": 5,
      "delay": 3.657,
      "onscreen_delay": 0,
      "typing_delay": 3.657,
      "typing_duration": 3.657,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 496,
      "agent_id": 2,
      "delay": 3.656,
      "onscreen_delay": 0,
      "typing_delay": 3.656,
      "typing_duration": 3.656,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 497,
      "agent_id": 3,
      "delay": 3.655,
      "onscreen_delay": 0,
      "typing_delay": 3.655,
      "typing_duration": 3.655,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 498,
      "agent_id": 4,
      "delay": 3.654,
      "onscreen_delay": 0,
      "typing_delay": 3.654,
      "typing_duration": 3.654,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 499,
      "agent_id": 5,
      "delay": 3.653,
      "onscreen_delay": 0,
      "typing_delay": 3.653,
      "typing_duration": 3.653,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 500,
      "agent_id": 2,
      "delay": 3.652,
      "onscreen_delay": 0,
      "typing_delay": 3.652,
      "typing_duration": 3.652,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 501,
      "agent_id": 3,
      "delay": 3.659,
      "onscreen_delay": 0,
      "typing_delay": 3.659,
      "typing_duration": 3.659,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 502,
      "agent_id": 4,
      "delay": 3.648,
      "onscreen_delay": 0,
      "typing_delay": 3.648,
      "typing_duration": 3.648,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 503,
      "agent_id": 5,
      "delay": 3.648,
      "onscreen_delay": 0,
      "typing_delay": 3.648,
      "typing_duration": 3.648,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 504,
      "agent_id": 2,
      "delay": 3.646,
      "onscreen_delay": 0,
      "typing_delay": 3.646,
      "typing_duration": 3.646,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 505,
      "agent_id": 3,
      "delay": 3.643,
      "onscreen_delay": 0,
      "typing_delay": 3.643,
      "typing_duration": 3.643,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 506,
      "agent_id": 4,
      "delay": 3.64,
      "onscreen_delay": 0,
      "typing_delay": 3.64,
      "typing_duration": 3.64,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 507,
      "agent_id": 5,
      "delay": 3.64,
      "onscreen_delay": 0,
      "typing_delay": 3.64,
      "typing_duration": 3.64,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 508,
      "agent_id": 2,
      "delay": 3.639,
      "onscreen_delay": 0,
      "typing_delay": 3.639,
      "typing_duration": 3.639,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 509,
      "agent_id": 3,
      "delay": 3.637,
      "onscreen_delay": 0,
      "typing_delay": 3.637,
      "typing_duration": 3.637,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 510,
      "agent_id": 4,
      "delay": 3.646,
      "onscreen_delay": 0,
      "typing_delay": 3.646,
      "typing_duration": 3.646,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 511,
      "agent_id": 5,
      "delay": 3.635,
      "onscreen_delay": 0,
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    {
      "message_id": 601,
      "agent_id": 3,
      "delay": 3.478,
      "onscreen_delay": 0,
      "typing_delay": 3.478,
      "typing_duration": 3.478,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 602,
      "agent_id": 4,
      "delay": 3.477,
      "onscreen_delay": 0,
      "typing_delay": 3.477,
      "typing_duration": 3.477,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 603,
      "agent_id": 5,
      "delay": 3.474,
      "onscreen_delay": 0,
      "typing_delay": 3.474,
      "typing_duration": 3.474,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 604,
      "agent_id": 2,
      "delay": 3.475,
      "onscreen_delay": 0,
      "typing_delay": 3.475,
      "typing_duration": 3.475,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 605,
      "agent_id": 3,
      "delay": 3.471,
      "onscreen_delay": 0,
      "typing_delay": 3.471,
      "typing_duration": 3.471,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 606,
      "agent_id": 4,
      "delay": 3.47,
      "onscreen_delay": 0,
      "typing_delay": 3.47,
      "typing_duration": 3.47,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 607,
      "agent_id": 5,
      "delay": 3.469,
      "onscreen_delay": 0,
      "typing_delay": 3.469,
      "typing_duration": 3.469,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 608,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.468,
      "wpm": 78,
      "message": "ทีนี้เดี๋ยวเรามาดู"
    },
    {
      "message_id": 609,
      "agent_id": 3,
      "delay": 3.467,
      "onscreen_delay": 0,
      "typing_delay": 3.467,
      "typing_duration": 3.467,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 610,
      "agent_id": 4,
      "delay": 3.465,
      "onscreen_delay": 0,
      "typing_delay": 3.465,
      "typing_duration": 3.465,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 611,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.463,
      "wpm": 182,
      "message": "ข้อ 3 นะคะ ครูสั่ง Push 1 ก็คือใส่เลข 1 ลง"
    },
    {
      "message_id": 612,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.461,
      "wpm": 56,
      "message": "ใน Stack เดิม"
    },
    {
      "message_id": 613,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.459,
      "wpm": 186,
      "message": "เอาของเดิมยกมาก่อนนะ อย่าเพิ่งใส่นะ ของเดิม"
    },
    {
      "message_id": 614,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.46,
      "wpm": 104,
      "message": "มี 3 ค่านะ เขียนก่อนนะคะ"
    },
    {
      "message_id": 615,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.458,
      "wpm": 143,
      "message": "เขียนค่าเดิมก่อน ใส่ค่าเดิมมาก่อน"
    },
    {
      "message_id": 616,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.456,
      "wpm": 122,
      "message": "นะคะ เสร็จแล้วครูสั่ง Push 1"
    },
    {
      "message_id": 617,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.456,
      "wpm": 82,
      "message": "1 จะอยู่ด้านบนเลข 7"
    },
    {
      "message_id": 618,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.454,
      "wpm": 35,
      "message": "ใช่ไหมคะ"
    },
    {
      "message_id": 619,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.462,
      "wpm": 143,
      "message": "จากนั้นครูสั่ง Pop Pop คือ เอาออก"
    },
    {
      "message_id": 620,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.449,
      "wpm": 130,
      "message": "บนสุดคืออะไร คือ 1 เพราะฉะนั้น"
    },
    {
      "message_id": 621,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.446,
      "wpm": 178,
      "message": "เอาอะไรออก เอา 1 ออก เพราะฉะนั้น ที่เหลือ"
    },
    {
      "message_id": 622,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.444,
      "wpm": 109,
      "message": "็ก็คือ 5, 2, 7 ใช่ไหมคะ 1"
    },
    {
      "message_id": 623,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.443,
      "wpm": 166,
      "message": "จะถูกเอาออกมาใช่ไหม เพราะฉะนั้น ข้อมูล"
    },
    {
      "message_id": 624,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.442,
      "wpm": 109,
      "message": "ที่นำออกจาก Stack ก็คือ 1"
    },
    {
      "message_id": 625,
      "agent_id": 3,
      "delay": 0.241,
      "onscreen_delay": 0,
      "typing_delay": 0.241,
      "typing_duration": 3.441,
      "wpm": 17,
      "message": "นะคะ"
    },
    {
      "message_id": 626,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.439,
      "wpm": 153,
      "message": "ครูสั่ง Push อีกครั้งหนึ่งทำอย่างไร"
    },
    {
      "message_id": 627,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.437,
      "wpm": 170,
      "message": "ก็เอาของเดิมที่มีอยู่ใน Stack เขียนก่อน"
    },
    {
      "message_id": 628,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.437,
      "wpm": 127,
      "message": "เพราะฉะนั้น กรณีที่ Push ข้อม"
    },
    {
      "message_id": 629,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.436,
      "wpm": 122,
      "message": "ลงไปใน Stack ยกของเดิมมาก่อน"
    },
    {
      "message_id": 630,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.435,
      "wpm": 39,
      "message": "เสร็จแล้ว"
    },
    {
      "message_id": 631,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.434,
      "wpm": 144,
      "message": "ใส่ตัวเลขที่ครูสั่งลงไป ก็คือ 7 7"
    },
    {
      "message_id": 632,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.433,
      "wpm": 122,
      "message": "ก็จะอยู่ด้านบนนะคะ อันนี้คือ"
    },
    {
      "message_id": 633,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.43,
      "wpm": 122,
      "message": "Stack ที่ได้หลังจากที่เราใช้"
    },
    {
      "message_id": 634,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.429,
      "wpm": 96,
      "message": "คำสั่งทั้งหมด 5 คำสั่ง"
    },
    {
      "message_id": 635,
      "agent_id": 5,
      "delay": 3.428,
      "onscreen_delay": 0,
      "typing_delay": 3.428,
      "typing_duration": 3.428,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 636,
      "agent_id": 2,
      "delay": 0.225,
      "onscreen_delay": 0,
      "typing_delay": 0.225,
      "typing_duration": 3.425,
      "wpm": 18,
      "message": "โอเค"
    },
    {
      "message_id": 637,
      "agent_id": 3,
      "delay": 3.423,
      "onscreen_delay": 0,
      "typing_delay": 3.423,
      "typing_duration": 3.423,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 638,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.422,
      "wpm": 123,
      "message": "ถัดมาครูเปลี่ยนนะ จากแนวตั้ง"
    },
    {
      "message_id": 639,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.421,
      "wpm": 210,
      "message": "เป็นแนวนอนนะคะ ถ้าครูลองเปลี่ยน Stack เป็นแนวนอน"
    },
    {
      "message_id": 640,
      "agent_id": 2,
      "delay": 0.219,
      "onscreen_delay": 0,
      "typing_delay": 0.219,
      "typing_duration": 3.419,
      "wpm": 18,
      "message": "บ้าง"
    },
    {
      "message_id": 641,
      "agent_id": 3,
      "delay": 3.415,
      "onscreen_delay": 0,
      "typing_delay": 3.415,
      "typing_duration": 3.415,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 642,
      "agent_id": 4,
      "delay": 3.413,
      "onscreen_delay": 0,
      "typing_delay": 3.413,
      "typing_duration": 3.413,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 643,
      "agent_id": 5,
      "delay": 3.411,
      "onscreen_delay": 0,
      "typing_delay": 3.411,
      "typing_duration": 3.411,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 644,
      "agent_id": 2,
      "delay": 3.405,
      "onscreen_delay": 0,
      "typing_delay": 3.405,
      "typing_duration": 3.405,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 645,
      "agent_id": 3,
      "delay": 3.399,
      "onscreen_delay": 0,
      "typing_delay": 3.399,
      "typing_duration": 3.399,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 646,
      "agent_id": 4,
      "delay": 3.397,
      "onscreen_delay": 0,
      "typing_delay": 3.397,
      "typing_duration": 3.397,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 647,
      "agent_id": 5,
      "delay": 3.396,
      "onscreen_delay": 0,
      "typing_delay": 3.396,
      "typing_duration": 3.396,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 648,
      "agent_id": 2,
      "delay": 3.391,
      "onscreen_delay": 0,
      "typing_delay": 3.391,
      "typing_duration": 3.391,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 649,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.39,
      "wpm": 199,
      "message": "คราวนี้ครูลองเปลี่ยน Stack เป็นอีกรูปแบบหนึ่ง"
    },
    {
      "message_id": 650,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.389,
      "wpm": 80,
      "message": "เป็นแนวนอนบ้างนะคะ"
    },
    {
      "message_id": 651,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.389,
      "wpm": 62,
      "message": "และครูมีตัวเลข"
    },
    {
      "message_id": 652,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.388,
      "wpm": 124,
      "message": "ที่อยู่ใน Stack ไว้ให้ คือ 3"
    },
    {
      "message_id": 653,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.387,
      "wpm": 190,
      "message": "แล้วก็ 1 ถูกไหม ตัวแรกจะอยู่ซ้ายสุดถูกไหมคะ"
    },
    {
      "message_id": 654,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.385,
      "wpm": 93,
      "message": "ถัดมาก็จะเป็นตัวที่ 2"
    },
    {
      "message_id": 655,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.383,
      "wpm": 142,
      "message": "แล้วครูใช้คำสั่ง Push 5 ข้อที่ 2"
    },
    {
      "message_id": 656,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.382,
      "wpm": 89,
      "message": "ครู Push 6 เสร็จแล้ว"
    },
    {
      "message_id": 657,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.381,
      "wpm": 89,
      "message": "ครู Pop นะคะ ลองทำสิ"
    },
    {
      "message_id": 658,
      "agent_id": 4,
      "delay": 3.38,
      "onscreen_delay": 0,
      "typing_delay": 3.38,
      "typing_duration": 3.38,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 659,
      "agent_id": 5,
      "delay": 3.378,
      "onscreen_delay": 0,
      "typing_delay": 3.378,
      "typing_duration": 3.378,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 660,
      "agent_id": 2,
      "delay": 3.375,
      "onscreen_delay": 0,
      "typing_delay": 3.375,
      "typing_duration": 3.375,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 661,
      "agent_id": 3,
      "delay": 3.373,
      "onscreen_delay": 0,
      "typing_delay": 3.373,
      "typing_duration": 3.373,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 662,
      "agent_id": 4,
      "delay": 3.372,
      "onscreen_delay": 0,
      "typing_delay": 3.372,
      "typing_duration": 3.372,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 663,
      "agent_id": 5,
      "delay": 3.369,
      "onscreen_delay": 0,
      "typing_delay": 3.369,
      "typing_duration": 3.369,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 664,
      "agent_id": 2,
      "delay": 3.378,
      "onscreen_delay": 0,
      "typing_delay": 3.378,
      "typing_duration": 3.378,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 665,
      "agent_id": 3,
      "delay": 3.366,
      "onscreen_delay": 0,
      "typing_delay": 3.366,
      "typing_duration": 3.366,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 666,
      "agent_id": 4,
      "delay": 3.365,
      "onscreen_delay": 0,
      "typing_delay": 3.365,
      "typing_duration": 3.365,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 667,
      "agent_id": 5,
      "delay": 3.363,
      "onscreen_delay": 0,
      "typing_delay": 3.363,
      "typing_duration": 3.363,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 668,
      "agent_id": 2,
      "delay": 3.358,
      "onscreen_delay": 0,
      "typing_delay": 3.358,
      "typing_duration": 3.358,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 669,
      "agent_id": 3,
      "delay": 3.359,
      "onscreen_delay": 0,
      "typing_delay": 3.359,
      "typing_duration": 3.359,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 670,
      "agent_id": 4,
      "delay": 3.356,
      "onscreen_delay": 0,
      "typing_delay": 3.356,
      "typing_duration": 3.356,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 671,
      "agent_id": 5,
      "delay": 3.355,
      "onscreen_delay": 0,
      "typing_delay": 3.355,
      "typing_duration": 3.355,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 672,
      "agent_id": 2,
      "delay": 3.354,
      "onscreen_delay": 0,
      "typing_delay": 3.354,
      "typing_duration": 3.354,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 673,
      "agent_id": 3,
      "delay": 3.351,
      "onscreen_delay": 0,
      "typing_delay": 3.351,
      "typing_duration": 3.351,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 674,
      "agent_id": 4,
      "delay": 3.349,
      "onscreen_delay": 0,
      "typing_delay": 3.349,
      "typing_duration": 3.349,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 675,
      "agent_id": 5,
      "delay": 3.34,
      "onscreen_delay": 0,
      "typing_delay": 3.34,
      "typing_duration": 3.34,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 676,
      "agent_id": 2,
      "delay": 3.338,
      "onscreen_delay": 0,
      "typing_delay": 3.338,
      "typing_duration": 3.338,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 677,
      "agent_id": 3,
      "delay": 3.337,
      "onscreen_delay": 0,
      "typing_delay": 3.337,
      "typing_duration": 3.337,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 678,
      "agent_id": 4,
      "delay": 3.335,
      "onscreen_delay": 0,
      "typing_delay": 3.335,
      "typing_duration": 3.335,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 679,
      "agent_id": 5,
      "delay": 3.341,
      "onscreen_delay": 0,
      "typing_delay": 3.341,
      "typing_duration": 3.341,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 680,
      "agent_id": 2,
      "delay": 3.332,
      "onscreen_delay": 0,
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      "message_id": 697,
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      "message_id": 698,
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      "typing_delay": 3.3,
      "typing_duration": 3.3,
      "wpm": 0,
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      "message_id": 699,
      "agent_id": 5,
      "delay": 3.298,
      "onscreen_delay": 0,
      "typing_delay": 3.298,
      "typing_duration": 3.298,
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      "message_id": 700,
      "agent_id": 2,
      "delay": 3.295,
      "onscreen_delay": 0,
      "typing_delay": 3.295,
      "typing_duration": 3.295,
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      "message_id": 701,
      "agent_id": 3,
      "delay": 3.29,
      "onscreen_delay": 0,
      "typing_delay": 3.29,
      "typing_duration": 3.29,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 702,
      "agent_id": 4,
      "delay": 3.288,
      "onscreen_delay": 0,
      "typing_delay": 3.288,
      "typing_duration": 3.288,
      "wpm": 0,
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    {
      "message_id": 703,
      "agent_id": 5,
      "delay": 3.288,
      "onscreen_delay": 0,
      "typing_delay": 3.288,
      "typing_duration": 3.288,
      "wpm": 0,
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    {
      "message_id": 704,
      "agent_id": 2,
      "delay": 3.287,
      "onscreen_delay": 0,
      "typing_delay": 3.287,
      "typing_duration": 3.287,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 705,
      "agent_id": 3,
      "delay": 3.283,
      "onscreen_delay": 0,
      "typing_delay": 3.283,
      "typing_duration": 3.283,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 706,
      "agent_id": 4,
      "delay": 3.281,
      "onscreen_delay": 0,
      "typing_delay": 3.281,
      "typing_duration": 3.281,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 707,
      "agent_id": 5,
      "delay": 3.28,
      "onscreen_delay": 0,
      "typing_delay": 3.28,
      "typing_duration": 3.28,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 708,
      "agent_id": 2,
      "delay": 3.276,
      "onscreen_delay": 0,
      "typing_delay": 3.276,
      "typing_duration": 3.276,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 709,
      "agent_id": 3,
      "delay": 3.271,
      "onscreen_delay": 0,
      "typing_delay": 3.271,
      "typing_duration": 3.271,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 710,
      "agent_id": 4,
      "delay": 3.267,
      "onscreen_delay": 0,
      "typing_delay": 3.267,
      "typing_duration": 3.267,
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    },
    {
      "message_id": 711,
      "agent_id": 5,
      "delay": 3.263,
      "onscreen_delay": 0,
      "typing_delay": 3.263,
      "typing_duration": 3.263,
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      "message_id": 712,
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      "delay": 3.265,
      "onscreen_delay": 0,
      "typing_delay": 3.265,
      "typing_duration": 3.265,
      "wpm": 0,
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    {
      "message_id": 713,
      "agent_id": 3,
      "delay": 3.261,
      "onscreen_delay": 0,
      "typing_delay": 3.261,
      "typing_duration": 3.261,
      "wpm": 0,
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    {
      "message_id": 714,
      "agent_id": 4,
      "delay": 3.264,
      "onscreen_delay": 0,
      "typing_delay": 3.264,
      "typing_duration": 3.264,
      "wpm": 0,
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    },
    {
      "message_id": 715,
      "agent_id": 5,
      "delay": 3.255,
      "onscreen_delay": 0,
      "typing_delay": 3.255,
      "typing_duration": 3.255,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 716,
      "agent_id": 2,
      "delay": 3.252,
      "onscreen_delay": 0,
      "typing_delay": 3.252,
      "typing_duration": 3.252,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 717,
      "agent_id": 3,
      "delay": 3.251,
      "onscreen_delay": 0,
      "typing_delay": 3.251,
      "typing_duration": 3.251,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 718,
      "agent_id": 4,
      "delay": 3.249,
      "onscreen_delay": 0,
      "typing_delay": 3.249,
      "typing_duration": 3.249,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 719,
      "agent_id": 5,
      "delay": 3.249,
      "onscreen_delay": 0,
      "typing_delay": 3.249,
      "typing_duration": 3.249,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 720,
      "agent_id": 2,
      "delay": 3.246,
      "onscreen_delay": 0,
      "typing_delay": 3.246,
      "typing_duration": 3.246,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 721,
      "agent_id": 3,
      "delay": 3.245,
      "onscreen_delay": 0,
      "typing_delay": 3.245,
      "typing_duration": 3.245,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 722,
      "agent_id": 4,
      "delay": 3.243,
      "onscreen_delay": 0,
      "typing_delay": 3.243,
      "typing_duration": 3.243,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 723,
      "agent_id": 5,
      "delay": 3.24,
      "onscreen_delay": 0,
      "typing_delay": 3.24,
      "typing_duration": 3.24,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 724,
      "agent_id": 2,
      "delay": 3.237,
      "onscreen_delay": 0,
      "typing_delay": 3.237,
      "typing_duration": 3.237,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 725,
      "agent_id": 3,
      "delay": 3.236,
      "onscreen_delay": 0,
      "typing_delay": 3.236,
      "typing_duration": 3.236,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 726,
      "agent_id": 4,
      "delay": 3.234,
      "onscreen_delay": 0,
      "typing_delay": 3.234,
      "typing_duration": 3.234,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 727,
      "agent_id": 5,
      "delay": 3.233,
      "onscreen_delay": 0,
      "typing_delay": 3.233,
      "typing_duration": 3.233,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 728,
      "agent_id": 2,
      "delay": 3.235,
      "onscreen_delay": 0,
      "typing_delay": 3.235,
      "typing_duration": 3.235,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 729,
      "agent_id": 3,
      "delay": 3.231,
      "onscreen_delay": 0,
      "typing_delay": 3.231,
      "typing_duration": 3.231,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 730,
      "agent_id": 4,
      "delay": 3.228,
      "onscreen_delay": 0,
      "typing_delay": 3.228,
      "typing_duration": 3.228,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 731,
      "agent_id": 5,
      "delay": 3.225,
      "onscreen_delay": 0,
      "typing_delay": 3.225,
      "typing_duration": 3.225,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 732,
      "agent_id": 2,
      "delay": 3.223,
      "onscreen_delay": 0,
      "typing_delay": 3.223,
      "typing_duration": 3.223,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 733,
      "agent_id": 3,
      "delay": 3.221,
      "onscreen_delay": 0,
      "typing_delay": 3.221,
      "typing_duration": 3.221,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 734,
      "agent_id": 4,
      "delay": 3.222,
      "onscreen_delay": 0,
      "typing_delay": 3.222,
      "typing_duration": 3.222,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 735,
      "agent_id": 5,
      "delay": 3.219,
      "onscreen_delay": 0,
      "typing_delay": 3.219,
      "typing_duration": 3.219,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 736,
      "agent_id": 2,
      "delay": 3.216,
      "onscreen_delay": 0,
      "typing_delay": 3.216,
      "typing_duration": 3.216,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 737,
      "agent_id": 3,
      "delay": 3.215,
      "onscreen_delay": 0,
      "typing_delay": 3.215,
      "typing_duration": 3.215,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 738,
      "agent_id": 4,
      "delay": 3.209,
      "onscreen_delay": 0,
      "typing_delay": 3.209,
      "typing_duration": 3.209,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 739,
      "agent_id": 5,
      "delay": 3.208,
      "onscreen_delay": 0,
      "typing_delay": 3.208,
      "typing_duration": 3.208,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 740,
      "agent_id": 2,
      "delay": 3.206,
      "onscreen_delay": 0,
      "typing_delay": 3.206,
      "typing_duration": 3.206,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 741,
      "agent_id": 3,
      "delay": 3.206,
      "onscreen_delay": 0,
      "typing_delay": 3.206,
      "typing_duration": 3.206,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 742,
      "agent_id": 4,
      "delay": 3.201,
      "onscreen_delay": 0,
      "typing_delay": 3.201,
      "typing_duration": 3.201,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 743,
      "agent_id": 5,
      "delay": 3.199,
      "onscreen_delay": 0,
      "typing_delay": 3.199,
      "typing_duration": 3.199,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 744,
      "agent_id": 2,
      "delay": 3.203,
      "onscreen_delay": 0,
      "typing_delay": 3.203,
      "typing_duration": 3.203,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 745,
      "agent_id": 3,
      "delay": 3.196,
      "onscreen_delay": 0,
      "typing_delay": 3.196,
      "typing_duration": 3.196,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 746,
      "agent_id": 4,
      "delay": 3.193,
      "onscreen_delay": 0,
      "typing_delay": 3.193,
      "typing_duration": 3.193,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 747,
      "agent_id": 5,
      "delay": 3.189,
      "onscreen_delay": 0,
      "typing_delay": 3.189,
      "typing_duration": 3.189,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 748,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.184,
      "wpm": 52,
      "message": "คราวนี้นะคะ"
    },
    {
      "message_id": 749,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.181,
      "wpm": 71,
      "message": "มาดูเฉลยด้วยกัน"
    },
    {
      "message_id": 750,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.163,
      "wpm": 104,
      "message": "ครูสั่ง Push 5 แสดงว่า"
    },
    {
      "message_id": 751,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.162,
      "wpm": 138,
      "message": "ครูกำลังจะใส่ข้อมูลลงใน Stack"
    },
    {
      "message_id": 752,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.158,
      "wpm": 133,
      "message": "ครูก็เอาเลข 5 มาหย่อนลงเลยนะ"
    },
    {
      "message_id": 753,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.157,
      "wpm": 109,
      "message": "เอาเลข 5 มาหย่อนเลยนะคะ"
    },
    {
      "message_id": 754,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.155,
      "wpm": 105,
      "message": "ถัดมาครูใช้คำสั่ง Push"
    },
    {
      "message_id": 755,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.152,
      "wpm": 148,
      "message": "ครูใช้คำสั่ง Push ทำอย่างไร เอา"
    },
    {
      "message_id": 756,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.151,
      "wpm": 129,
      "message": "ของเดิมยกลงมาก่อน ยกของเดิม"
    },
    {
      "message_id": 757,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.147,
      "wpm": 110,
      "message": "มาใส่ก่อนนะคะ ก็จะมี 3,"
    },
    {
      "message_id": 758,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.145,
      "wpm": 48,
      "message": "1 แล้วก็ 5"
    },
    {
      "message_id": 759,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.139,
      "wpm": 167,
      "message": "จากนั้น เรา Push ค่าใหม่ ใส่ค่าใหม่"
    },
    {
      "message_id": 760,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.139,
      "wpm": 57,
      "message": "ลงไป ก็คือ 6"
    },
    {
      "message_id": 761,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.135,
      "wpm": 191,
      "message": "โอเคนะ ใส่ค่า 6 ก็คือค่าใหม่ลงไปใน Stack"
    },
    {
      "message_id": 762,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.133,
      "wpm": 120,
      "message": "เสร็จแล้วครูใช้คำสั่ง Pop"
    },
    {
      "message_id": 763,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.128,
      "wpm": 139,
      "message": "ก็คือเอาออก ก็คือเอาตัวล่าสุด"
    },
    {
      "message_id": 764,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.128,
      "wpm": 101,
      "message": "ที่อยู่ด้านขวา เอาออก"
    },
    {
      "message_id": 765,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.126,
      "wpm": 182,
      "message": "เพราะฉะนั้น ค่าที่ถูกเอาออก ก็คือเลข 6"
    },
    {
      "message_id": 766,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.125,
      "wpm": 115,
      "message": "เห็นไหมคะ เอาเลข 6 ออกมา"
    },
    {
      "message_id": 767,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.125,
      "wpm": 106,
      "message": "แล้วเราก็ยกตัวที่เหลือ"
    },
    {
      "message_id": 768,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.123,
      "wpm": 101,
      "message": "ลงมาใส่ ก็จะเหลือเป็น"
    },
    {
      "message_id": 769,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.139,
      "wpm": 86,
      "message": "3, 1 แล้วก็ 5 นะคะ"
    },
    {
      "message_id": 770,
      "agent_id": 4,
      "delay": 3.121,
      "onscreen_delay": 0,
      "typing_delay": 3.121,
      "typing_duration": 3.121,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 771,
      "agent_id": 5,
      "delay": 3.119,
      "onscreen_delay": 0,
      "typing_delay": 3.119,
      "typing_duration": 3.119,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 772,
      "agent_id": 2,
      "delay": 3.117,
      "onscreen_delay": 0,
      "typing_delay": 3.117,
      "typing_duration": 3.117,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 773,
      "agent_id": 3,
      "delay": 3.114,
      "onscreen_delay": 0,
      "typing_delay": 3.114,
      "typing_duration": 3.114,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 774,
      "agent_id": 4,
      "delay": 3.112,
      "onscreen_delay": 0,
      "typing_delay": 3.112,
      "typing_duration": 3.112,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 775,
      "agent_id": 5,
      "delay": 3.11,
      "onscreen_delay": 0,
      "typing_delay": 3.11,
      "typing_duration": 3.11,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 776,
      "agent_id": 2,
      "delay": 3.108,
      "onscreen_delay": 0,
      "typing_delay": 3.108,
      "typing_duration": 3.108,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 777,
      "agent_id": 3,
      "delay": 3.107,
      "onscreen_delay": 0,
      "typing_delay": 3.107,
      "typing_duration": 3.107,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 778,
      "agent_id": 4,
      "delay": 3.104,
      "onscreen_delay": 0,
      "typing_delay": 3.104,
      "typing_duration": 3.104,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 779,
      "agent_id": 5,
      "delay": 3.102,
      "onscreen_delay": 0,
      "typing_delay": 3.102,
      "typing_duration": 3.102,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 780,
      "agent_id": 2,
      "delay": 3.109,
      "onscreen_delay": 0,
      "typing_delay": 3.109,
      "typing_duration": 3.109,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 781,
      "agent_id": 3,
      "delay": 3.098,
      "onscreen_delay": 0,
      "typing_delay": 3.098,
      "typing_duration": 3.098,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 782,
      "agent_id": 4,
      "delay": 3.096,
      "onscreen_delay": 0,
      "typing_delay": 3.096,
      "typing_duration": 3.096,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 783,
      "agent_id": 5,
      "delay": 3.092,
      "onscreen_delay": 0,
      "typing_delay": 3.092,
      "typing_duration": 3.092,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 784,
      "agent_id": 2,
      "delay": 3.091,
      "onscreen_delay": 0,
      "typing_delay": 3.091,
      "typing_duration": 3.091,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 785,
      "agent_id": 3,
      "delay": 3.09,
      "onscreen_delay": 0,
      "typing_delay": 3.09,
      "typing_duration": 3.09,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 786,
      "agent_id": 4,
      "delay": 3.088,
      "onscreen_delay": 0,
      "typing_delay": 3.088,
      "typing_duration": 3.088,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 787,
      "agent_id": 5,
      "delay": 3.097,
      "onscreen_delay": 0,
      "typing_delay": 3.097,
      "typing_duration": 3.097,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 788,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.086,
      "wpm": 92,
      "message": "คราวนี้นะคะ มาดูต่อ"
    },
    {
      "message_id": 789,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.089,
      "wpm": 311,
      "message": "กระดาษที่ครูแจกเอาวางไว้ก่อนนะคะ อย่าเพิ่งใช้ เรายังไม่ใช้ตอนนี้"
    },
    {
      "message_id": 790,
      "agent_id": 4,
      "delay": 3.078,
      "onscreen_delay": 0,
      "typing_delay": 3.078,
      "typing_duration": 3.078,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 791,
      "agent_id": 5,
      "delay": 3.077,
      "onscreen_delay": 0,
      "typing_delay": 3.077,
      "typing_duration": 3.077,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 792,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.075,
      "wpm": 137,
      "message": "เราใช้ Stack ทำอะไร เมื่อกี้"
    },
    {
      "message_id": 793,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.073,
      "wpm": 205,
      "message": "เราพูดถึง Stack ไปแล้วนะ เข้าก่อนออกทีหลัง"
    },
    {
      "message_id": 794,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.071,
      "wpm": 107,
      "message": "นะคะ ข้อมูลไหนเข้าก่อน"
    },
    {
      "message_id": 795,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.067,
      "wpm": 83,
      "message": "จะถูกเอาออกทีหลัง"
    },
    {
      "message_id": 796,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.068,
      "wpm": 132,
      "message": "แล้วเราใช้ Stack ทำอะไรบ้าง"
    },
    {
      "message_id": 797,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.066,
      "wpm": 122,
      "message": "เราใช้ Stack มาทำอะไรบ้าง"
    },
    {
      "message_id": 798,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.063,
      "wpm": 186,
      "message": "ทุกคนบวกเลขเป็นใช่ไหม ทุกคนบวกลบคูณหาร"
    },
    {
      "message_id": 799,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.062,
      "wpm": 132,
      "message": "สมการทางคณิตศาสตร์ได้ Stack"
    },
    {
      "message_id": 800,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.061,
      "wpm": 88,
      "message": "จะถูกเอามาใช้ในการ"
    },
    {
      "message_id": 801,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.06,
      "wpm": 132,
      "message": "หาผลลัพธ์ของสมการคณิตศาสตร์"
    },
    {
      "message_id": 802,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.057,
      "wpm": 93,
      "message": "บวกเลข บวกลบเลขนะคะ"
    },
    {
      "message_id": 803,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.056,
      "wpm": 162,
      "message": "คราวนี้ ก่อนที่จะไปดูรูปแบบของการ"
    },
    {
      "message_id": 804,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.055,
      "wpm": 142,
      "message": "ใช้ Stack แล้ว Stack มันเกี่ย"
    },
    {
      "message_id": 805,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.054,
      "wpm": 226,
      "message": "กับการบวก ลบ คูณ หาร นะคะ เรามาดูรูปแบบก่อนว่า"
    },
    {
      "message_id": 806,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.052,
      "wpm": 138,
      "message": "เราใช้ Stack เพื่อเป็นนิพนธ์"
    },
    {
      "message_id": 807,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.051,
      "wpm": 93,
      "message": "ก็คือลักษณะของสมการ"
    },
    {
      "message_id": 808,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.047,
      "wpm": 143,
      "message": "มีอยู่ 3 รูปแบบ รูปแบบแรกก็คื"
    },
    {
      "message_id": 809,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.047,
      "wpm": 25,
      "message": "ก็คือ"
    },
    {
      "message_id": 810,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.046,
      "wpm": 167,
      "message": "บวก ลบ คูณ หาร จะอยู่ระหว่างตัวเลข"
    },
    {
      "message_id": 811,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.046,
      "wpm": 172,
      "message": "นะคะ อันนี้คือ Infix นิพจน์ตัวที่ 2"
    },
    {
      "message_id": 812,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.045,
      "wpm": 59,
      "message": "ก็คือ Prefix"
    },
    {
      "message_id": 813,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.042,
      "wpm": 202,
      "message": "เครื่องหมาย บวก ลบ คูณ หาร จะอยู่ด้านหน้า"
    },
    {
      "message_id": 814,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.04,
      "wpm": 79,
      "message": "และตัวสุดท้ายคือ"
    },
    {
      "message_id": 815,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.04,
      "wpm": 217,
      "message": "Postfix เครื่องหมายจะไปอยู่ด้านหลังของตัวเลข"
    },
    {
      "message_id": 816,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.038,
      "wpm": 114,
      "message": "AC อันนนี้คือตัวเลขนะคะ"
    },
    {
      "message_id": 817,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.038,
      "wpm": 109,
      "message": "เราจะแทนด้วยตัวเลขใด ๆ"
    },
    {
      "message_id": 818,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.036,
      "wpm": 119,
      "message": "คราวนี้ดูนะคะ ในการคำนวณ"
    },
    {
      "message_id": 819,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.032,
      "wpm": 74,
      "message": "ทางคณิตศาสตร์นะ"
    },
    {
      "message_id": 820,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.031,
      "wpm": 119,
      "message": "เวลาเราเจอนะคะ การบวก ลบ"
    },
    {
      "message_id": 821,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.03,
      "wpm": 119,
      "message": "ที่มันมีมากกว่า 2 ตัวเลข"
    },
    {
      "message_id": 822,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.029,
      "wpm": 50,
      "message": "เช่นแบบนี้"
    },
    {
      "message_id": 823,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.028,
      "wpm": 168,
      "message": "5 + 2 x 2 มันมีตัวเลขมากกว่า 2 ตัว"
    },
    {
      "message_id": 824,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.027,
      "wpm": 59,
      "message": "นะคะ แล้วเรา"
    },
    {
      "message_id": 825,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.025,
      "wpm": 84,
      "message": "จะบวกลบเลขอย่างไร"
    },
    {
      "message_id": 826,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.025,
      "wpm": 124,
      "message": "เรามีลำดับความสัมพันธ์ของ"
    },
    {
      "message_id": 827,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.02,
      "wpm": 104,
      "message": "เครื่องหมาย เจอวงเล็บ"
    },
    {
      "message_id": 828,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.018,
      "wpm": 70,
      "message": "ก่อนทำในวงเล็บ"
    },
    {
      "message_id": 829,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.015,
      "wpm": 134,
      "message": "ใช่ไหมคะ เราเจอในวงเล็บ เรา"
    },
    {
      "message_id": 830,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.015,
      "wpm": 114,
      "message": "บวกลบเลขนี่ในวงเล็บก่อน"
    },
    {
      "message_id": 831,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.013,
      "wpm": 189,
      "message": "จากนั้น ลำดับความสำคัญตัวที่ 2 ที่ต้อง"
    },
    {
      "message_id": 832,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.012,
      "wpm": 115,
      "message": "ทำก่อนก็คือ เครื่องหมาย"
    },
    {
      "message_id": 833,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.01,
      "wpm": 164,
      "message": "ยกกำลัง เช่น 2 ยกกำลัง 2 ถูกไหมคะ"
    },
    {
      "message_id": 834,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.009,
      "wpm": 135,
      "message": "3 ยกกำลัง 2 อย่างนี้เป็นต้น"
    },
    {
      "message_id": 835,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.008,
      "wpm": 110,
      "message": "เจอเลขยกกำลังเสร็จแล้ว"
    },
    {
      "message_id": 836,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.009,
      "wpm": 165,
      "message": "เราจะคำนวณเครื่องหมายไหนต่อไป ก็ค"
    },
    {
      "message_id": 837,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.002,
      "wpm": 160,
      "message": "กับหาร คูณกับหารมีลำดับความสำคัญ"
    },
    {
      "message_id": 838,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.001,
      "wpm": 140,
      "message": "เท่ากันนะคะ มีลำดับความสำคัญ"
    },
    {
      "message_id": 839,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3,
      "wpm": 115,
      "message": "เท่ากัน ตามด้วยบวกกับลบ"
    },
    {
      "message_id": 840,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 2.998,
      "wpm": 105,
      "message": "บวกกับลบก็มีความสำคัญ"
    },
    {
      "message_id": 841,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 2.997,
      "wpm": 75,
      "message": "เท่ากัน แต่จะทำ"
    },
    {
      "message_id": 842,
      "agent_id": 4,
      "delay": 0.127,
      "onscreen_delay": 0,
      "typing_delay": 0.127,
      "typing_duration": 3.995,
      "wpm": 109,
      "message": "หลังการทำเครื่องหมายคูณกับหาร"
    },
    {
      "message_id": 843,
      "agent_id": 5,
      "delay": 3.994,
      "onscreen_delay": 0,
      "typing_delay": 3.994,
      "typing_duration": 3.994,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 844,
      "agent_id": 2,
      "delay": 0.13,
      "onscreen_delay": 0,
      "typing_delay": 0.13,
      "typing_duration": 3.993,
      "wpm": 105,
      "message": "คราวนี้มาดูโจทย์ครู 2 ตัวนี้"
    },
    {
      "message_id": 845,
      "agent_id": 3,
      "delay": 0.122,
      "onscreen_delay": 0,
      "typing_delay": 0.122,
      "typing_duration": 3.992,
      "wpm": 113,
      "message": "เป็นตัวเลขตัวเดียวกันเลย 5 + 2"
    },
    {
      "message_id": 846,
      "agent_id": 4,
      "delay": 0.359,
      "onscreen_delay": 0,
      "typing_delay": 0.359,
      "typing_duration": 3.991,
      "wpm": 38,
      "message": "x 2 ตัวแรก"
    },
    {
      "message_id": 847,
      "agent_id": 5,
      "delay": 0.075,
      "onscreen_delay": 0,
      "typing_delay": 0.075,
      "typing_duration": 3.992,
      "wpm": 177,
      "message": "ครูมีวงเล็บเปิดกับวงเล็บปิด โจทย์ตัวที่ 2 ไม่มี"
    },
    {
      "message_id": 848,
      "agent_id": 2,
      "delay": 0.132,
      "onscreen_delay": 0,
      "typing_delay": 0.132,
      "typing_duration": 3.99,
      "wpm": 102,
      "message": "วงเล็บนะคะ ครูไม่มีวงเล็บนะ"
    },
    {
      "message_id": 849,
      "agent_id": 3,
      "delay": 0.171,
      "onscreen_delay": 0,
      "typing_delay": 0.171,
      "typing_duration": 3.994,
      "wpm": 79,
      "message": "คราวนี้มาดูข้อแรกก่อน"
    },
    {
      "message_id": 850,
      "agent_id": 4,
      "delay": 0.137,
      "onscreen_delay": 0,
      "typing_delay": 0.137,
      "typing_duration": 3.99,
      "wpm": 98,
      "message": "อย่างที่บอกว่าถ้าเจอวงเล็บ"
    },
    {
      "message_id": 851,
      "agent_id": 5,
      "delay": 0.153,
      "onscreen_delay": 0,
      "typing_delay": 0.153,
      "typing_duration": 3.987,
      "wpm": 87,
      "message": "วงเล็บเปิด วงเล็บปิด ทำ"
    },
    {
      "message_id": 852,
      "agent_id": 2,
      "delay": 0.221,
      "onscreen_delay": 0,
      "typing_delay": 0.221,
      "typing_duration": 3.986,
      "wpm": 60,
      "message": "ข้างในวงเล็บก่อน"
    },
    {
      "message_id": 853,
      "agent_id": 3,
      "delay": 0.057,
      "onscreen_delay": 0,
      "typing_delay": 0.057,
      "typing_duration": 3.959,
      "wpm": 144,
      "message": "เพราะฉะนั้น เราเอาอะไรบวกกันก่อน 5 + 2"
    },
    {
      "message_id": 854,
      "agent_id": 4,
      "delay": 0.151,
      "onscreen_delay": 0,
      "typing_delay": 0.151,
      "typing_duration": 3.953,
      "wpm": 72,
      "message": "เป็นเท่าไรคะ เป็น 7"
    },
    {
      "message_id": 855,
      "agent_id": 5,
      "delay": 0.075,
      "onscreen_delay": 0,
      "typing_delay": 0.075,
      "typing_duration": 3.949,
      "wpm": 118,
      "message": "7 แล้วคูณด้วย 2 เท่ากับเท่าไหร่"
    },
    {
      "message_id": 856,
      "agent_id": 2,
      "delay": 0.171,
      "onscreen_delay": 0,
      "typing_delay": 0.171,
      "typing_duration": 3.948,
      "wpm": 65,
      "message": "เท่ากับเท่าไหร่คะ"
    },
    {
      "message_id": 857,
      "agent_id": 3,
      "delay": 0.308,
      "onscreen_delay": 0,
      "typing_delay": 0.308,
      "typing_duration": 3.945,
      "wpm": 38,
      "message": "เท่ากับ 14"
    },
    {
      "message_id": 858,
      "agent_id": 4,
      "delay": 3.943,
      "onscreen_delay": 0,
      "typing_delay": 3.943,
      "typing_duration": 3.943,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 859,
      "agent_id": 5,
      "delay": 0.045,
      "onscreen_delay": 0,
      "typing_delay": 0.045,
      "typing_duration": 3.944,
      "wpm": 145,
      "message": "ตัวเลขเท่ากับ 14 ตัวแรกนะคะ เท่ากับ 14"
    },
    {
      "message_id": 860,
      "agent_id": 2,
      "delay": 0.132,
      "onscreen_delay": 0,
      "typing_delay": 0.132,
      "typing_duration": 3.942,
      "wpm": 76,
      "message": "แล้วมาดูข้อ 2 ครูตัด"
    },
    {
      "message_id": 861,
      "agent_id": 3,
      "delay": 0.112,
      "onscreen_delay": 0,
      "typing_delay": 0.112,
      "typing_duration": 3.939,
      "wpm": 84,
      "message": "วงเล็บทิ้งไป 5 + 2 x 2"
    },
    {
      "message_id": 862,
      "agent_id": 4,
      "delay": 0.187,
      "onscreen_delay": 0,
      "typing_delay": 0.187,
      "typing_duration": 3.937,
      "wpm": 57,
      "message": "เราทำตรงไหนก่อน"
    },
    {
      "message_id": 863,
      "agent_id": 5,
      "delay": 0.036,
      "onscreen_delay": 0,
      "typing_delay": 0.036,
      "typing_duration": 3.936,
      "wpm": 149,
      "message": "ย้อนกลับขึ้นมาดูข้างบน ระหว่างบวกกับคูณ"
    },
    {
      "message_id": 864,
      "agent_id": 2,
      "delay": 0.134,
      "onscreen_delay": 0,
      "typing_delay": 0.134,
      "typing_duration": 3.934,
      "wpm": 72,
      "message": "อะไรสำคัญมากกว่ากัน"
    },
    {
      "message_id": 865,
      "agent_id": 3,
      "delay": 0.075,
      "onscreen_delay": 0,
      "typing_delay": 0.075,
      "typing_duration": 3.934,
      "wpm": 103,
      "message": "อะไรมีความสำคัญมากกว่ากันคะ"
    },
    {
      "message_id": 866,
      "agent_id": 4,
      "delay": 0.332,
      "onscreen_delay": 0,
      "typing_delay": 0.332,
      "typing_duration": 3.932,
      "wpm": 34,
      "message": "บวกกับคูณ"
    },
    {
      "message_id": 867,
      "agent_id": 5,
      "delay": 3.931,
      "onscreen_delay": 0,
      "typing_delay": 3.931,
      "typing_duration": 3.931,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 868,
      "agent_id": 2,
      "delay": 0.089,
      "onscreen_delay": 0,
      "typing_delay": 0.089,
      "typing_duration": 3.929,
      "wpm": 92,
      "message": "ข้างบนเห็นไหมคะว่า 1 นี่"
    },
    {
      "message_id": 869,
      "agent_id": 3,
      "delay": 0.028,
      "onscreen_delay": 0,
      "typing_delay": 0.028,
      "typing_duration": 3.928,
      "wpm": 149,
      "message": "มีความสำคัญมากสุดนะ 2. ความสำคัญรองลงมา"
    },
    {
      "message_id": 870,
      "agent_id": 4,
      "delay": 0.086,
      "onscreen_delay": 0,
      "typing_delay": 0.086,
      "typing_duration": 3.926,
      "wpm": 92,
      "message": "ตัวนี้ เบอร์ 3 ความสำคัญ"
    },
    {
      "message_id": 871,
      "agent_id": 5,
      "delay": 0.085,
      "onscreen_delay": 0,
      "typing_delay": 0.085,
      "typing_duration": 3.925,
      "wpm": 92,
      "message": "รองลงมา เบอร์ 4 ความสำคั"
    },
    {
      "message_id": 872,
      "agent_id": 2,
      "delay": 0.105,
      "onscreen_delay": 0,
      "typing_delay": 0.105,
      "typing_duration": 3.924,
      "wpm": 80,
      "message": "เพราะฉะนั้น คูณกับบวก"
    },
    {
      "message_id": 873,
      "agent_id": 3,
      "delay": 0.075,
      "onscreen_delay": 0,
      "typing_delay": 0.075,
      "typing_duration": 3.922,
      "wpm": 96,
      "message": "อะไรมีความสำคัญมากกว่ากัน"
    },
    {
      "message_id": 874,
      "agent_id": 4,
      "delay": 0.063,
      "onscreen_delay": 0,
      "typing_delay": 0.063,
      "typing_duration": 3.921,
      "wpm": 103,
      "message": "คูณใช่ไหมคะ อันนี้คือมากสุด"
    },
    {
      "message_id": 875,
      "agent_id": 5,
      "delay": 0.489,
      "onscreen_delay": 0,
      "typing_delay": 0.489,
      "typing_duration": 3.918,
      "wpm": 23,
      "message": "มากสุด"
    },
    {
      "message_id": 876,
      "agent_id": 2,
      "delay": 0.166,
      "onscreen_delay": 0,
      "typing_delay": 0.166,
      "typing_duration": 3.916,
      "wpm": 57,
      "message": "เพราะฉะนั้น เรา"
    },
    {
      "message_id": 877,
      "agent_id": 3,
      "delay": 0.074,
      "onscreen_delay": 0,
      "typing_delay": 0.074,
      "typing_duration": 3.914,
      "wpm": 92,
      "message": "ทำอะไรก่อน 5+2 หรือเอา 2"
    },
    {
      "message_id": 878,
      "agent_id": 4,
      "delay": 0.111,
      "onscreen_delay": 0,
      "typing_delay": 0.111,
      "typing_duration": 3.911,
      "wpm": 73,
      "message": "หรือเอา 2 x 2 2 x 2"
    },
    {
      "message_id": 879,
      "agent_id": 5,
      "delay": 0.217,
      "onscreen_delay": 0,
      "typing_delay": 0.217,
      "typing_duration": 3.91,
      "wpm": 46,
      "message": "เป็น 4 4 + 5"
    },
    {
      "message_id": 880,
      "agent_id": 2,
      "delay": 0.144,
      "onscreen_delay": 0,
      "typing_delay": 0.144,
      "typing_duration": 3.91,
      "wpm": 61,
      "message": "5 เป็นเท่าไหร่คะ"
    },
    {
      "message_id": 881,
      "agent_id": 3,
      "delay": 0.48,
      "onscreen_delay": 0,
      "typing_delay": 0.48,
      "typing_duration": 3.909,
      "wpm": 23,
      "message": "เป็น 9"
    },
    {
      "message_id": 882,
      "agent_id": 4,
      "delay": 0.706,
      "onscreen_delay": 0,
      "typing_delay": 0.706,
      "typing_duration": 3.906,
      "wpm": 15,
      "message": "โอเค"
    },
    {
      "message_id": 883,
      "agent_id": 5,
      "delay": 0.155,
      "onscreen_delay": 0,
      "typing_delay": 0.155,
      "typing_duration": 3.905,
      "wpm": 58,
      "message": "ถ้าครูเขียนใหม่"
    },
    {
      "message_id": 884,
      "agent_id": 2,
      "delay": 3.906,
      "onscreen_delay": 0,
      "typing_delay": 3.906,
      "typing_duration": 3.906,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 885,
      "agent_id": 3,
      "delay": 3.902,
      "onscreen_delay": 0,
      "typing_delay": 3.902,
      "typing_duration": 3.902,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 886,
      "agent_id": 4,
      "delay": 0.101,
      "onscreen_delay": 0,
      "typing_delay": 0.101,
      "typing_duration": 3.901,
      "wpm": 73,
      "message": "เลข 2 หรือ เดี๋ยวนะ"
    },
    {
      "message_id": 887,
      "agent_id": 5,
      "delay": 3.897,
      "onscreen_delay": 0,
      "typing_delay": 3.897,
      "typing_duration": 3.897,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 888,
      "agent_id": 2,
      "delay": 3.895,
      "onscreen_delay": 0,
      "typing_delay": 3.895,
      "typing_duration": 3.895,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 889,
      "agent_id": 3,
      "delay": 3.894,
      "onscreen_delay": 0,
      "typing_delay": 3.894,
      "typing_duration": 3.894,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 890,
      "agent_id": 4,
      "delay": 3.893,
      "onscreen_delay": 0,
      "typing_delay": 3.893,
      "typing_duration": 3.893,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 891,
      "agent_id": 5,
      "delay": 0.225,
      "onscreen_delay": 0,
      "typing_delay": 0.225,
      "typing_duration": 3.891,
      "wpm": 42,
      "message": "โจทย์ข้อนี้"
    },
    {
      "message_id": 892,
      "agent_id": 2,
      "delay": 0.39,
      "onscreen_delay": 0,
      "typing_delay": 0.39,
      "typing_duration": 3.891,
      "wpm": 27,
      "message": "5 คูณ 2"
    },
    {
      "message_id": 893,
      "agent_id": 3,
      "delay": 0.111,
      "onscreen_delay": 0,
      "typing_delay": 0.111,
      "typing_duration": 3.889,
      "wpm": 66,
      "message": "เท่ากับ 12 คนอื่น"
    },
    {
      "message_id": 894,
      "agent_id": 4,
      "delay": 0.002,
      "onscreen_delay": 0,
      "typing_delay": 0.002,
      "typing_duration": 3.893,
      "wpm": 131,
      "message": "ได้ไหมคะ เห็นไหม ตัวเลขเดียวกันเลย"
    },
    {
      "message_id": 895,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.887,
      "wpm": 135,
      "message": "สลับแล้วก็คเครื่องหมายมีเหมือนกันเล"
    },
    {
      "message_id": 896,
      "agent_id": 2,
      "delay": 0.014,
      "onscreen_delay": 0,
      "typing_delay": 0.014,
      "typing_duration": 3.885,
      "wpm": 116,
      "message": "แค่สลับตำแหน่งค่าก็เปลี่ยนแล้ว"
    },
    {
      "message_id": 897,
      "agent_id": 3,
      "delay": 0.037,
      "onscreen_delay": 0,
      "typing_delay": 0.037,
      "typing_duration": 3.884,
      "wpm": 97,
      "message": "ทันไหมคะ คูณกับบวกแสดงว่า"
    },
    {
      "message_id": 898,
      "agent_id": 4,
      "delay": 0.065,
      "onscreen_delay": 0,
      "typing_delay": 0.065,
      "typing_duration": 3.883,
      "wpm": 81,
      "message": "ทำคูณก่อน 5 คูณ 2 เป็"
    },
    {
      "message_id": 899,
      "agent_id": 5,
      "delay": 0.055,
      "onscreen_delay": 0,
      "typing_delay": 0.055,
      "typing_duration": 3.882,
      "wpm": 85,
      "message": "เป็น 10 10 + 2 เป็น 12"
    },
    {
      "message_id": 900,
      "agent_id": 2,
      "delay": 3.895,
      "onscreen_delay": 0,
      "typing_delay": 3.895,
      "typing_duration": 3.895,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 901,
      "agent_id": 3,
      "delay": 0.676,
      "onscreen_delay": 0,
      "typing_delay": 0.676,
      "typing_duration": 3.876,
      "wpm": 15,
      "message": "โอเค"
    },
    {
      "message_id": 902,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.876,
      "wpm": 143,
      "message": "เอาตัวนี้บวกกันก่อน... คูณกันก่อนนะคะ"
    },
    {
      "message_id": 903,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.874,
      "wpm": 132,
      "message": "5 x 2 เป็น 10 แล้ว 10 ค่อยมาบวกกับ"
    },
    {
      "message_id": 904,
      "agent_id": 2,
      "delay": 0.441,
      "onscreen_delay": 0,
      "typing_delay": 0.441,
      "typing_duration": 3.87,
      "wpm": 23,
      "message": "2 โอเค"
    },
    {
      "message_id": 905,
      "agent_id": 3,
      "delay": 0.27,
      "onscreen_delay": 0,
      "typing_delay": 0.27,
      "typing_duration": 3.869,
      "wpm": 35,
      "message": "จะเห็นว่า"
    },
    {
      "message_id": 906,
      "agent_id": 4,
      "delay": 0.049,
      "onscreen_delay": 0,
      "typing_delay": 0.049,
      "typing_duration": 3.868,
      "wpm": 81,
      "message": "อันนี้คือเราคิดใช่ไหม"
    },
    {
      "message_id": 907,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.866,
      "wpm": 124,
      "message": "แล้วเราจะสั่งให้คอมพิวเตอณ์เข้สา"
    },
    {
      "message_id": 908,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.865,
      "wpm": 140,
      "message": "เข้าใจแบบที่เราคิดเมื่อกี้ได้อย่างไร"
    },
    {
      "message_id": 909,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.864,
      "wpm": 132,
      "message": "รู้ว่าถ้าเจอคูณนี่ต้องทำคูณก่อนเลย"
    },
    {
      "message_id": 910,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.863,
      "wpm": 116,
      "message": "เจอวงเล็บเปิด ต้องทำวงเล็บเปิด"
    },
    {
      "message_id": 911,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.858,
      "wpm": 167,
      "message": "ตอนนี้เราจะสั่งให้คอมพิวเตอร์นี่สามารถคำนวณ"
    },
    {
      "message_id": 912,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.858,
      "wpm": 109,
      "message": "ให้ได้แบบที่เราคำนวณเมื่อกี้"
    },
    {
      "message_id": 913,
      "agent_id": 3,
      "delay": 0.428,
      "onscreen_delay": 0,
      "typing_delay": 0.428,
      "typing_duration": 3.857,
      "wpm": 23,
      "message": "เราใช้"
    },
    {
      "message_id": 914,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.856,
      "wpm": 117,
      "message": "Stack เข้ามาช่วยในการคำนวณนะคะ"
    },
    {
      "message_id": 915,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.855,
      "wpm": 113,
      "message": "เราใช้ Stack เข้ามาในการคำนวณ"
    },
    {
      "message_id": 916,
      "agent_id": 2,
      "delay": 0.105,
      "onscreen_delay": 0,
      "typing_delay": 0.105,
      "typing_duration": 3.853,
      "wpm": 58,
      "message": "วิธีการทำแบบไหน"
    },
    {
      "message_id": 917,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.851,
      "wpm": 152,
      "message": "มาดูวิธีการนะคะ เรามีตัวเลขอยู่ชุดหนึ่ง"
    },
    {
      "message_id": 918,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.847,
      "wpm": 97,
      "message": "เราต้องการหาค่าออกมา เช่น"
    },
    {
      "message_id": 919,
      "agent_id": 5,
      "delay": 0.037,
      "onscreen_delay": 0,
      "typing_delay": 0.037,
      "typing_duration": 3.866,
      "wpm": 78,
      "message": "ครูมีตัวเลขชุดนี้ล่ะ"
    },
    {
      "message_id": 920,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.848,
      "wpm": 175,
      "message": "ครูสั่งให้คอมพิวเตอร์คำนวณ จะต้องได้ผลลัพธ์ 9"
    },
    {
      "message_id": 921,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.843,
      "wpm": 101,
      "message": "คอมพิวเตอร์จะคิดแบบไหนนะคะ"
    },
    {
      "message_id": 922,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.84,
      "wpm": 113,
      "message": "1 เราต้องสร้างตารางแบบนี้ก่อน"
    },
    {
      "message_id": 923,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.838,
      "wpm": 121,
      "message": "มี 3 ช่อง ช่องแรก คือ ใส่ Input"
    },
    {
      "message_id": 924,
      "agent_id": 2,
      "delay": 0.003,
      "onscreen_delay": 0,
      "typing_delay": 0.003,
      "typing_duration": 3.837,
      "wpm": 90,
      "message": "ก็คือข้อมูลนำเข้า Stack"
    },
    {
      "message_id": 925,
      "agent_id": 3,
      "delay": 0.058,
      "onscreen_delay": 0,
      "typing_delay": 0.058,
      "typing_duration": 3.836,
      "wpm": 66,
      "message": "แล้วก็ผลลัพธ์นะคะ"
    },
    {
      "message_id": 926,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.833,
      "wpm": 160,
      "message": "เรามีวิธีการทำนี่ 2 ช่วงด้วยกัน ช่วงที่ 1"
    },
    {
      "message_id": 927,
      "agent_id": 5,
      "delay": 0.096,
      "onscreen_delay": 0,
      "typing_delay": 0.096,
      "typing_duration": 3.83,
      "wpm": 55,
      "message": "ต้องแปลงนิพจน์"
    },
    {
      "message_id": 928,
      "agent_id": 2,
      "delay": 0.112,
      "onscreen_delay": 0,
      "typing_delay": 0.112,
      "typing_duration": 3.827,
      "wpm": 51,
      "message": "แบบ Postfix เ"
    },
    {
      "message_id": 929,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.826,
      "wpm": 149,
      "message": "ไปไว้ข้างหลังให้หมดก่อน เอาเครื่องหมาย"
    },
    {
      "message_id": 930,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.829,
      "wpm": 196,
      "message": "ไปไว้ข้างหลังให้หมดก่อนนะคะ แล้วค่อยคำนวณออกมาเป็น"
    },
    {
      "message_id": 931,
      "agent_id": 5,
      "delay": 0.09,
      "onscreen_delay": 0,
      "typing_delay": 0.09,
      "typing_duration": 3.823,
      "wpm": 55,
      "message": "ตัวเลข ผลลัพธ์"
    },
    {
      "message_id": 932,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.822,
      "wpm": 149,
      "message": "เรามี 3 ช่องนะ ทุกคนต้องตีตาราง 3 ช่อง"
    },
    {
      "message_id": 933,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.821,
      "wpm": 137,
      "message": "อันแรกเขียนว่า Input Stack แล้วก็ O"
    },
    {
      "message_id": 934,
      "agent_id": 4,
      "delay": 0.182,
      "onscreen_delay": 0,
      "typing_delay": 0.182,
      "typing_duration": 3.819,
      "wpm": 39,
      "message": "นะคะ ถัดมา"
    },
    {
      "message_id": 935,
      "agent_id": 5,
      "delay": 0.029,
      "onscreen_delay": 0,
      "typing_delay": 0.029,
      "typing_duration": 3.819,
      "wpm": 71,
      "message": "ขั้นตอนวิธีการแปลง"
    },
    {
      "message_id": 936,
      "agent_id": 2,
      "delay": 0.007,
      "onscreen_delay": 0,
      "typing_delay": 0.007,
      "typing_duration": 3.817,
      "wpm": 79,
      "message": "จาก Infix ให้เป็น Po"
    },
    {
      "message_id": 937,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.816,
      "wpm": 114,
      "message": "ทุกคนมีชีตที่ครูให้ แบบนี้เลย"
    },
    {
      "message_id": 938,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.814,
      "wpm": 177,
      "message": "ก็คือสิ่งที่อยู่บนสไลด์นะคะ ครูพรินต์ออกมาให้"
    },
    {
      "message_id": 939,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.813,
      "wpm": 114,
      "message": "เรามีอยู่ทั้งหมด 7 ขั้นตอนด้ว"
    },
    {
      "message_id": 940,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.811,
      "wpm": 94,
      "message": "ทั้งหมด 7 ขั้นตอนด้วยกัน"
    },
    {
      "message_id": 941,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.811,
      "wpm": 146,
      "message": "มีทั้งหมด 7 ขั้นตอนด้วยกัน ครูให้เวลา"
    },
    {
      "message_id": 942,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.807,
      "wpm": 87,
      "message": "2 นาที อ่าน 7 ขั้นตอนน"
    },
    {
      "message_id": 943,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.803,
      "wpm": 95,
      "message": "นี้ในกระดาษของตัวเองสิคะ"
    },
    {
      "message_id": 944,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.804,
      "wpm": 166,
      "message": "ให้อ่านในกระดาษนะ หรือจะอ่านจากหน้าจอก็ได้"
    },
    {
      "message_id": 945,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.799,
      "wpm": 115,
      "message": "ให้เวลา 2 นาทีอยากให้อ่านก่อน"
    },
    {
      "message_id": 946,
      "agent_id": 4,
      "delay": 3.797,
      "onscreen_delay": 0,
      "typing_delay": 3.797,
      "typing_duration": 3.797,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 947,
      "agent_id": 5,
      "delay": 3.796,
      "onscreen_delay": 0,
      "typing_delay": 3.796,
      "typing_duration": 3.796,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 948,
      "agent_id": 2,
      "delay": 3.795,
      "onscreen_delay": 0,
      "typing_delay": 3.795,
      "typing_duration": 3.795,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 949,
      "agent_id": 3,
      "delay": 3.793,
      "onscreen_delay": 0,
      "typing_delay": 3.793,
      "typing_duration": 3.793,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 950,
      "agent_id": 4,
      "delay": 3.79,
      "onscreen_delay": 0,
      "typing_delay": 3.79,
      "typing_duration": 3.79,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 951,
      "agent_id": 5,
      "delay": 3.789,
      "onscreen_delay": 0,
      "typing_delay": 3.789,
      "typing_duration": 3.789,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 952,
      "agent_id": 2,
      "delay": 3.789,
      "onscreen_delay": 0,
      "typing_delay": 3.789,
      "typing_duration": 3.789,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 953,
      "agent_id": 3,
      "delay": 3.786,
      "onscreen_delay": 0,
      "typing_delay": 3.786,
      "typing_duration": 3.786,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 954,
      "agent_id": 4,
      "delay": 3.784,
      "onscreen_delay": 0,
      "typing_delay": 3.784,
      "typing_duration": 3.784,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 955,
      "agent_id": 5,
      "delay": 3.783,
      "onscreen_delay": 0,
      "typing_delay": 3.783,
      "typing_duration": 3.783,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 956,
      "agent_id": 2,
      "delay": 3.782,
      "onscreen_delay": 0,
      "typing_delay": 3.782,
      "typing_duration": 3.782,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 957,
      "agent_id": 3,
      "delay": 3.781,
      "onscreen_delay": 0,
      "typing_delay": 3.781,
      "typing_duration": 3.781,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 958,
      "agent_id": 4,
      "delay": 3.78,
      "onscreen_delay": 0,
      "typing_delay": 3.78,
      "typing_duration": 3.78,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 959,
      "agent_id": 5,
      "delay": 3.778,
      "onscreen_delay": 0,
      "typing_delay": 3.778,
      "typing_duration": 3.778,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 960,
      "agent_id": 2,
      "delay": 3.778,
      "onscreen_delay": 0,
      "typing_delay": 3.778,
      "typing_duration": 3.778,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 961,
      "agent_id": 3,
      "delay": 3.775,
      "onscreen_delay": 0,
      "typing_delay": 3.775,
      "typing_duration": 3.775,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 962,
      "agent_id": 4,
      "delay": 3.771,
      "onscreen_delay": 0,
      "typing_delay": 3.771,
      "typing_duration": 3.771,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 963,
      "agent_id": 5,
      "delay": 3.769,
      "onscreen_delay": 0,
      "typing_delay": 3.769,
      "typing_duration": 3.769,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 964,
      "agent_id": 2,
      "delay": 3.767,
      "onscreen_delay": 0,
      "typing_delay": 3.767,
      "typing_duration": 3.767,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 965,
      "agent_id": 3,
      "delay": 3.765,
      "onscreen_delay": 0,
      "typing_delay": 3.765,
      "typing_duration": 3.765,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 966,
      "agent_id": 4,
      "delay": 3.762,
      "onscreen_delay": 0,
      "typing_delay": 3.762,
      "typing_duration": 3.762,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 967,
      "agent_id": 5,
      "delay": 3.761,
      "onscreen_delay": 0,
      "typing_delay": 3.761,
      "typing_duration": 3.761,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 968,
      "agent_id": 2,
      "delay": 3.76,
      "onscreen_delay": 0,
      "typing_delay": 3.76,
      "typing_duration": 3.76,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 969,
      "agent_id": 3,
      "delay": 3.756,
      "onscreen_delay": 0,
      "typing_delay": 3.756,
      "typing_duration": 3.756,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 970,
      "agent_id": 4,
      "delay": 3.754,
      "onscreen_delay": 0,
      "typing_delay": 3.754,
      "typing_duration": 3.754,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 971,
      "agent_id": 5,
      "delay": 3.753,
      "onscreen_delay": 0,
      "typing_delay": 3.753,
      "typing_duration": 3.753,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 972,
      "agent_id": 2,
      "delay": 3.75,
      "onscreen_delay": 0,
      "typing_delay": 3.75,
      "typing_duration": 3.75,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 973,
      "agent_id": 3,
      "delay": 3.749,
      "onscreen_delay": 0,
      "typing_delay": 3.749,
      "typing_duration": 3.749,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 974,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.747,
      "wpm": 100,
      "message": "คราวนี้เดี๋ยวมาดูพร้อมกัน"
    },
    {
      "message_id": 975,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.745,
      "wpm": 168,
      "message": "เรามีอยู่ทั้งหมด 7 ขั้นตอนนะคะ เดี๋ยวเราจะ"
    },
    {
      "message_id": 976,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.744,
      "wpm": 80,
      "message": "ลองฝึกนะ แล้วก็เทียบ"
    },
    {
      "message_id": 977,
      "agent_id": 3,
      "delay": 0.105,
      "onscreen_delay": 0,
      "typing_delay": 0.105,
      "typing_duration": 3.742,
      "wpm": 40,
      "message": "ไปทีละขั้น"
    },
    {
      "message_id": 978,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.742,
      "wpm": 136,
      "message": "ขั้นที่ 1 นะคะ กำหนดให้ Stack ว่าง"
    },
    {
      "message_id": 979,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.74,
      "wpm": 92,
      "message": "ก็คือวาดตาราง 3 ช่องนี้"
    },
    {
      "message_id": 980,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.739,
      "wpm": 140,
      "message": "อันดับแรก สร้าง Stack ว่าง ก็คือวาด"
    },
    {
      "message_id": 981,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.738,
      "wpm": 112,
      "message": "3 ช่องนะคะ กี่แถวยังไม่รู้นะ"
    },
    {
      "message_id": 982,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.735,
      "wpm": 76,
      "message": "แต่มีอยู่ 3 คอลัมน์"
    },
    {
      "message_id": 983,
      "agent_id": 5,
      "delay": 3.734,
      "onscreen_delay": 0,
      "typing_delay": 3.734,
      "typing_duration": 3.734,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 984,
      "agent_id": 2,
      "delay": 0.066,
      "onscreen_delay": 0,
      "typing_delay": 0.066,
      "typing_duration": 3.733,
      "wpm": 44,
      "message": "อันดับที่ 2"
    },
    {
      "message_id": 985,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.732,
      "wpm": 113,
      "message": "อ่านข้อมูลจากซ้ายไปขวา ก็คือ"
    },
    {
      "message_id": 986,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.731,
      "wpm": 125,
      "message": "อ่านข้อมูลทีละตัวใช่ไหมคะ เลข 5"
    },
    {
      "message_id": 987,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.729,
      "wpm": 181,
      "message": "เครื่องหมายบวก เลข เครื่องหมายคูณ แล้วก็เลข 2"
    },
    {
      "message_id": 988,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.726,
      "wpm": 101,
      "message": "อันนี้คืออ่านจากซ้ายไปขวา"
    },
    {
      "message_id": 989,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.726,
      "wpm": 141,
      "message": "ทีละตัวนะคะ แล้วก็อ่านเข้ามาทีละตัว"
    },
    {
      "message_id": 990,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.723,
      "wpm": 85,
      "message": "สมมติครูใช้ตัวเลขนะคะ"
    },
    {
      "message_id": 991,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.719,
      "wpm": 61,
      "message": "ตัวเลขนะคะ เช่น"
    },
    {
      "message_id": 992,
      "agent_id": 2,
      "delay": 3.718,
      "onscreen_delay": 0,
      "typing_delay": 3.718,
      "typing_duration": 3.718,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 993,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.715,
      "wpm": 141,
      "message": "อ่านข้อมูลจากซ้ายไปขวา ตัวแรก ก็คือ"
    },
    {
      "message_id": 994,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.714,
      "wpm": 145,
      "message": "5 ใช่ไหม อ่านจากซ้าย ซ้ายก็คือตัวแรก"
    },
    {
      "message_id": 995,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.713,
      "wpm": 85,
      "message": "นะคะ ก็คือเลข 5 ถัดมา"
    },
    {
      "message_id": 996,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.713,
      "wpm": 109,
      "message": "ถัดมาขั้นถัดมาเป็นขั้นที่ 3"
    },
    {
      "message_id": 997,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.711,
      "wpm": 89,
      "message": "ถ้าข้อมูลที่อ่านเข้ามา"
    },
    {
      "message_id": 998,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.711,
      "wpm": 61,
      "message": "เป็นตัวเลข เช่น"
    },
    {
      "message_id": 999,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.708,
      "wpm": 142,
      "message": "เลข 5 ใช่ไหม ข้อมูลที่เราอ่านเข้ามา"
    },
    {
      "message_id": 1000,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.707,
      "wpm": 121,
      "message": "ทันเป็นตัวเลขใช่ไหม ใช่ เอามัน"
    },
    {
      "message_id": 1001,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.705,
      "wpm": 174,
      "message": "ไปไว้ที่ไหน เอามันไปไว้ที่ช่องผลลัพธ์ ก็คือ"
    },
    {
      "message_id": 1002,
      "agent_id": 4,
      "delay": 0.037,
      "onscreen_delay": 0,
      "typing_delay": 0.037,
      "typing_duration": 3.711,
      "wpm": 44,
      "message": "ช่องสุดท้าย"
    },
    {
      "message_id": 1003,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.703,
      "wpm": 130,
      "message": "ก็คือช่องนี้ใช่ไหมคะ ช่อง Output"
    },
    {
      "message_id": 1004,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.702,
      "wpm": 57,
      "message": "ถัดมา ถ้าตัวที"
    },
    {
      "message_id": 1005,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.701,
      "wpm": 158,
      "message": "เราอ่านเข้ามานี่มันไม่ใช่ตัวเลข แสดงว่า"
    },
    {
      "message_id": 1006,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.702,
      "wpm": 142,
      "message": "มันต้องเป็นเครื่องหมายทางคณิตศาสตร์"
    },
    {
      "message_id": 1007,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.697,
      "wpm": 174,
      "message": "อะไรสักอย่างหนึ่งนี่ล่ะ เช่น เครื่องหมายบวก"
    },
    {
      "message_id": 1008,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.695,
      "wpm": 150,
      "message": "เครื่องหมายบวกใช่ไหมคะ เครื่องหมายบวก"
    },
    {
      "message_id": 1009,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.695,
      "wpm": 110,
      "message": "เราอ่านเครื่องหมายบวกเข้ามา"
    },
    {
      "message_id": 1010,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.689,
      "wpm": 102,
      "message": "แล้วเขาให้เราเช็กก่อน ว่า"
    },
    {
      "message_id": 1011,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.689,
      "wpm": 203,
      "message": "แล้วใน Stack มันมีค่าอยู่หรือเปล่า Stack ในช่องนี่"
    },
    {
      "message_id": 1012,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.687,
      "wpm": 102,
      "message": "ช่องนี้ ช่องที่ 2 นี่ มัน"
    },
    {
      "message_id": 1013,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.686,
      "wpm": 138,
      "message": "มีค่าอยู่ไหม ถ้ามันไม่มีค่าอยู่เลย"
    },
    {
      "message_id": 1014,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.685,
      "wpm": 90,
      "message": "ก็หย่อนมันลงไปใน Stack"
    },
    {
      "message_id": 1015,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.684,
      "wpm": 106,
      "message": "แต่ถ้าใน Stack มันมีข้อมูล"
    },
    {
      "message_id": 1016,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.683,
      "wpm": 94,
      "message": "อยู่แล้ว เราจะต้องทำการ"
    },
    {
      "message_id": 1017,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.682,
      "wpm": 102,
      "message": "เปรียบเทียบก่อน ว่าข้อมูล"
    },
    {
      "message_id": 1018,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.681,
      "wpm": 77,
      "message": "ที่เราอ่านเข้ามานี่"
    },
    {
      "message_id": 1019,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.68,
      "wpm": 163,
      "message": "มันมีค่ามากกว่า หรือน้อยกว่าตัวที่อยู่ใน"
    },
    {
      "message_id": 1020,
      "agent_id": 2,
      "delay": 0.344,
      "onscreen_delay": 0,
      "typing_delay": 0.344,
      "typing_duration": 3.678,
      "wpm": 20,
      "message": "Stack"
    },
    {
      "message_id": 1021,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.676,
      "wpm": 53,
      "message": "ถ้ามันมากกว่า"
    },
    {
      "message_id": 1022,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.675,
      "wpm": 143,
      "message": "ถ้ากรณีที่ตัวที่เราอ่านมีค่ามากกว่า"
    },
    {
      "message_id": 1023,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.673,
      "wpm": 106,
      "message": "ก็หย่อนลงไปใน Stack ได้เลย"
    },
    {
      "message_id": 1024,
      "agent_id": 2,
      "delay": 0.035,
      "onscreen_delay": 0,
      "typing_delay": 0.035,
      "typing_duration": 3.671,
      "wpm": 41,
      "message": "ถ้าสิ่งที่"
    },
    {
      "message_id": 1025,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.668,
      "wpm": 147,
      "message": "เราอ่านเข้ามามันมีค่าน้อยกว่าสิ่งที่"
    },
    {
      "message_id": 1026,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.667,
      "wpm": 49,
      "message": "อยู่ใน Stack"
    },
    {
      "message_id": 1027,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.667,
      "wpm": 102,
      "message": "ให้เอาเครื่องหมายใน Stack"
    },
    {
      "message_id": 1028,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.668,
      "wpm": 74,
      "message": "ออกไปไว้ที่ผลลัพธ์"
    },
    {
      "message_id": 1029,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.658,
      "wpm": 221,
      "message": "แล้วเอาเครื่องหมายตัวที่เราอ่านเข้ามาหย่อนลงไปใน Stack"
    },
    {
      "message_id": 1030,
      "agent_id": 4,
      "delay": 0.457,
      "onscreen_delay": 0,
      "typing_delay": 0.457,
      "typing_duration": 3.656,
      "wpm": 16,
      "message": "โอเค"
    },
    {
      "message_id": 1031,
      "agent_id": 5,
      "delay": 0.654,
      "onscreen_delay": 0,
      "typing_delay": 0.654,
      "typing_duration": 3.655,
      "wpm": 12,
      "message": "ถ้า"
    },
    {
      "message_id": 1032,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.653,
      "wpm": 74,
      "message": "เราอ่านจนครบข้อมูล"
    },
    {
      "message_id": 1033,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.672,
      "wpm": 151,
      "message": "ทุกตัวแล้ว เรายังมีข้อมูลอยู่ใน Stack"
    },
    {
      "message_id": 1034,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.653,
      "wpm": 144,
      "message": "เราก็ดึงมันออกมา ก็คือ Pop มันออกมา"
    },
    {
      "message_id": 1035,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.651,
      "wpm": 45,
      "message": "เป็นผลลัพธ์"
    },
    {
      "message_id": 1036,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.648,
      "wpm": 152,
      "message": "มาดูตัวอย่างนะ ทุกคนถือ... ดุตัวอย่าง"
    },
    {
      "message_id": 1037,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.647,
      "wpm": 90,
      "message": "ที่เป็นขั้นตอนด้วยนะคะ"
    },
    {
      "message_id": 1038,
      "agent_id": 4,
      "delay": 3.645,
      "onscreen_delay": 0,
      "typing_delay": 3.645,
      "typing_duration": 3.645,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1039,
      "agent_id": 5,
      "delay": 3.643,
      "onscreen_delay": 0,
      "typing_delay": 3.643,
      "typing_duration": 3.643,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1040,
      "agent_id": 2,
      "delay": 3.641,
      "onscreen_delay": 0,
      "typing_delay": 3.641,
      "typing_duration": 3.641,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1041,
      "agent_id": 3,
      "delay": 0.435,
      "onscreen_delay": 0,
      "typing_delay": 0.435,
      "typing_duration": 3.634,
      "wpm": 17,
      "message": "โอเค"
    },
    {
      "message_id": 1042,
      "agent_id": 4,
      "delay": 0.3,
      "onscreen_delay": 0,
      "typing_delay": 0.3,
      "typing_duration": 3.636,
      "wpm": 21,
      "message": "โจทย์"
    },
    {
      "message_id": 1043,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.628,
      "wpm": 124,
      "message": "ที่ครูให้ ทุกคนดูที่หน้าจอนะคะ"
    },
    {
      "message_id": 1044,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.623,
      "wpm": 41,
      "message": "ครูมีโจทย์"
    },
    {
      "message_id": 1045,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.622,
      "wpm": 87,
      "message": "มาให้นะคะ ก็คือ 5 + 2"
    },
    {
      "message_id": 1046,
      "agent_id": 4,
      "delay": 0.621,
      "onscreen_delay": 0,
      "typing_delay": 0.621,
      "typing_duration": 3.622,
      "wpm": 12,
      "message": "x 2"
    },
    {
      "message_id": 1047,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.616,
      "wpm": 91,
      "message": "อันดับแรกครูต้องทำอะไร"
    },
    {
      "message_id": 1048,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.614,
      "wpm": 100,
      "message": "อันดับแรกวาดตาราง 3 ช่อง"
    },
    {
      "message_id": 1049,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.611,
      "wpm": 100,
      "message": "วาดตาราง 3 ช่อง จำนวนแถว"
    },
    {
      "message_id": 1050,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.61,
      "wpm": 129,
      "message": "ก็เอาข้อมูลตัวเลขกับเครื่องหมาย"
    },
    {
      "message_id": 1051,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.608,
      "wpm": 71,
      "message": "มาใส่ทีละบรรทัด 5"
    },
    {
      "message_id": 1052,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.61,
      "wpm": 100,
      "message": "ที่ 1 ถูกไหมคะ บวกบรรทัด"
    },
    {
      "message_id": 1053,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.607,
      "wpm": 154,
      "message": "ใส่เลข 2 บรรทัดถัดมาใส่เครื่องหมายคูณ"
    },
    {
      "message_id": 1054,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.605,
      "wpm": 58,
      "message": "แล้วก็ใส่เลข 2"
    },
    {
      "message_id": 1055,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.605,
      "wpm": 187,
      "message": "เราก็จะวาดตารางเรียบร้อยแล้วใช่ไหมคะ จำนวนแถว"
    },
    {
      "message_id": 1056,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.599,
      "wpm": 92,
      "message": "ขึ้นอยู่กับจำนวนข้อมูล"
    },
    {
      "message_id": 1057,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.597,
      "wpm": 121,
      "message": "ในโจทย์ว่ามีกี่ตัว ก็สร้างแถว"
    },
    {
      "message_id": 1058,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.595,
      "wpm": 63,
      "message": "ใส่ข้อมูลให้เลย"
    },
    {
      "message_id": 1059,
      "agent_id": 5,
      "delay": 0.038,
      "onscreen_delay": 0,
      "typing_delay": 0.038,
      "typing_duration": 3.594,
      "wpm": 33,
      "message": "เรากำหนด"
    },
    {
      "message_id": 1060,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.593,
      "wpm": 88,
      "message": "tack ว่างแล้วใช่ไหมคะ"
    },
    {
      "message_id": 1061,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.592,
      "wpm": 113,
      "message": "ถัดมา ต้องอ่านข้อมูลทีละตัว"
    },
    {
      "message_id": 1062,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.591,
      "wpm": 129,
      "message": "เราต้องอ่านข้อมูลทีละตัวจากซ้าย"
    },
    {
      "message_id": 1063,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.588,
      "wpm": 88,
      "message": "ไปขวา ตัวแรกคืออะไรคะ"
    },
    {
      "message_id": 1064,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.585,
      "wpm": 126,
      "message": "คือ 5 ใช่ไหม ครูเขียนเรียงแล้ว"
    },
    {
      "message_id": 1065,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.584,
      "wpm": 126,
      "message": "5 บวก... มี 2 มีคูณ แล้วก็มี 2"
    },
    {
      "message_id": 1066,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.583,
      "wpm": 155,
      "message": "อันนี้คือข้อมูลที่เราอ่านจากซ้ายไปขวา"
    },
    {
      "message_id": 1067,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.582,
      "wpm": 105,
      "message": "ตัวแรก เป็นตัวเลขใช่ไหมคะ"
    },
    {
      "message_id": 1068,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.581,
      "wpm": 134,
      "message": "มันเป็นตัวเลขแล้วมันตรงกับตัวไหน"
    },
    {
      "message_id": 1069,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.579,
      "wpm": 54,
      "message": "ในขั้นตอน ข้อ"
    },
    {
      "message_id": 1070,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.576,
      "wpm": 101,
      "message": "3 ที่บอกว่าถ้าเป็นตัวเลข"
    },
    {
      "message_id": 1071,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.575,
      "wpm": 122,
      "message": "ให้เอาไปไว้ที่ไหน เอาไปไว้ที่"
    },
    {
      "message_id": 1072,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.574,
      "wpm": 63,
      "message": "ผลลัพธ์ ถ้าเป็น"
    },
    {
      "message_id": 1073,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.572,
      "wpm": 130,
      "message": "ตัวเลข เอาไปไว้ที่ผลลัพธ์ได้เลย"
    },
    {
      "message_id": 1074,
      "agent_id": 4,
      "delay": 0.241,
      "onscreen_delay": 0,
      "typing_delay": 0.241,
      "typing_duration": 3.575,
      "wpm": 21,
      "message": "ถัดมา"
    },
    {
      "message_id": 1075,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.57,
      "wpm": 164,
      "message": "เจอเครื่องหมายบวกนะคะ เจอเครื่องหมายบวก"
    },
    {
      "message_id": 1076,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.566,
      "wpm": 109,
      "message": "ตอนนี้ใน Stack มันไม่มีค่า"
    },
    {
      "message_id": 1077,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.564,
      "wpm": 80,
      "message": "อะไรเลย ทำอย่างไรคะ"
    },
    {
      "message_id": 1078,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.563,
      "wpm": 122,
      "message": "ก็ใส่ได้เลย ใส่เครื่องหมายบวก"
    },
    {
      "message_id": 1079,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.562,
      "wpm": 177,
      "message": "ลงมาได้เลย ถ้ามันเป็น Stack ว่าง เห็นไหมคะ"
    },
    {
      "message_id": 1080,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.562,
      "wpm": 160,
      "message": "ตัวบนเป็น Stack ว่าง เราก็เอาใส่ได้เลย"
    },
    {
      "message_id": 1081,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.561,
      "wpm": 135,
      "message": "แล้วก็เขียน 5 ลงมาเหมือนเดิมนะคะ"
    },
    {
      "message_id": 1082,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.56,
      "wpm": 88,
      "message": "ยก 5 ลงมาเหมือนเดิมนะ"
    },
    {
      "message_id": 1083,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.556,
      "wpm": 80,
      "message": "ดู ดูพร้อมครูก่อนนะ"
    },
    {
      "message_id": 1084,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.555,
      "wpm": 51,
      "message": "เดี๋ยวครู..."
    },
    {
      "message_id": 1085,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.555,
      "wpm": 38,
      "message": "จะถ่ายรูป"
    },
    {
      "message_id": 1086,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.554,
      "wpm": 89,
      "message": "เอาขึ้น Classroom ให้"
    },
    {
      "message_id": 1087,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.552,
      "wpm": 160,
      "message": "ถัดมา เลข 2 ใช่ไหมคะ เลข 2 มันเป็นอะไร"
    },
    {
      "message_id": 1088,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.55,
      "wpm": 152,
      "message": "ตัวเลข เพราะฉะนั้นต้องเอาไปไว้ที่ไหน"
    },
    {
      "message_id": 1089,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.548,
      "wpm": 63,
      "message": "ไปไว้ที่ผลลัพธ์"
    },
    {
      "message_id": 1090,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.549,
      "wpm": 97,
      "message": "ตรงกับข้อ 3 ในขั้นตอนนะ"
    },
    {
      "message_id": 1091,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.544,
      "wpm": 144,
      "message": "เอา 2 มาไว้ที่ Output แต่ต้องเขียน"
    },
    {
      "message_id": 1092,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.543,
      "wpm": 110,
      "message": "หลัง ก็คือเขียนต่อจากเลข 5"
    },
    {
      "message_id": 1093,
      "agent_id": 3,
      "delay": 0.342,
      "onscreen_delay": 0,
      "typing_delay": 0.342,
      "typing_duration": 3.542,
      "wpm": 17,
      "message": "นะคะ"
    },
    {
      "message_id": 1094,
      "agent_id": 4,
      "delay": 3.538,
      "onscreen_delay": 0,
      "typing_delay": 3.538,
      "typing_duration": 3.538,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1095,
      "agent_id": 5,
      "delay": 0.202,
      "onscreen_delay": 0,
      "typing_delay": 0.202,
      "typing_duration": 3.536,
      "wpm": 21,
      "message": "ถัดมา"
    },
    {
      "message_id": 1096,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.534,
      "wpm": 110,
      "message": "ยกเครื่องหมายบวกลงมาด้วยนะ"
    },
    {
      "message_id": 1097,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.533,
      "wpm": 204,
      "message": "เพราะมันอยู่ใน Stack นะคะ เรายังไม่ได้เอาอะไรออก"
    },
    {
      "message_id": 1098,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.531,
      "wpm": 85,
      "message": "หรือเอาอะไรเข้าเพิ่ม"
    },
    {
      "message_id": 1099,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.53,
      "wpm": 102,
      "message": "ถัดมา เป็นเครื่องหมายคูณ"
    },
    {
      "message_id": 1100,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.526,
      "wpm": 34,
      "message": "ใน Stack"
    },
    {
      "message_id": 1101,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.524,
      "wpm": 132,
      "message": "เรามีเครื่องหมายบวกอยู่แล้วนะคะ"
    },
    {
      "message_id": 1102,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.524,
      "wpm": 166,
      "message": "ใน Stack นี่เรามีเครื่องหมายบวกอยู่แล้ว"
    },
    {
      "message_id": 1103,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.522,
      "wpm": 132,
      "message": "ตัวที่เราอ่านเข้ามา คือ คูณ เรา"
    },
    {
      "message_id": 1104,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.519,
      "wpm": 94,
      "message": "จะต้องทำการเปรียบเทียบ"
    },
    {
      "message_id": 1105,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.518,
      "wpm": 132,
      "message": "ค่าที่เราอ่านเข้ามาใหม่ คือ คูณ"
    },
    {
      "message_id": 1106,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.517,
      "wpm": 107,
      "message": "กับตัวเดิมที่อยู่ใน Stack"
    },
    {
      "message_id": 1107,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.516,
      "wpm": 132,
      "message": "คือ บวก เราเปรียบเทียบ ถูกไหมคะ"
    },
    {
      "message_id": 1108,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.515,
      "wpm": 145,
      "message": "กับตัวบนสุดคือเครื่องหมายบวก สิ่งท"
    },
    {
      "message_id": 1109,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.514,
      "wpm": 68,
      "message": "คืออะไร คูณมีค่า"
    },
    {
      "message_id": 1110,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.512,
      "wpm": 98,
      "message": "มากกว่าบวก ให้ทำอย่างไร"
    },
    {
      "message_id": 1111,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.511,
      "wpm": 98,
      "message": "ก็เอาคูณหย่อนลงมาได้เลย"
    },
    {
      "message_id": 1112,
      "agent_id": 2,
      "delay": 0.081,
      "onscreen_delay": 0,
      "typing_delay": 0.081,
      "typing_duration": 3.509,
      "wpm": 26,
      "message": "ใส่คูณ"
    },
    {
      "message_id": 1113,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.509,
      "wpm": 201,
      "message": "ลงไปใน Stack ได้เลยนะคะ ผลลัพธ์ก็เป็นเหมือนเดิม"
    },
    {
      "message_id": 1114,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.51,
      "wpm": 68,
      "message": "ตัวถัดมาคือเลข 2"
    },
    {
      "message_id": 1115,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.506,
      "wpm": 158,
      "message": "เลข 2 มันเป็นตัวเลขใช่ไหม เอามาไว้ที่"
    },
    {
      "message_id": 1116,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.504,
      "wpm": 120,
      "message": "ผลลัพธ์นะคะ เอามาต่อด้านหลัง"
    },
    {
      "message_id": 1117,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.502,
      "wpm": 73,
      "message": "เสร็จแล้วเราพบว่า"
    },
    {
      "message_id": 1118,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.496,
      "wpm": 150,
      "message": "ไม่มีข้อมูลแล้ว ข้อมูลมันหมดแล้วน่ะ"
    },
    {
      "message_id": 1119,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.495,
      "wpm": 189,
      "message": "ข้อมูลมันหมดแล้วนะคะ แต่สิ่งที่เราเจอคืออะไร"
    },
    {
      "message_id": 1120,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.493,
      "wpm": 103,
      "message": "ใน Stack ยังมีข้อมูลอยู่"
    },
    {
      "message_id": 1121,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.49,
      "wpm": 95,
      "message": "เพราะฉะนั้น ต้องดึงค่า"
    },
    {
      "message_id": 1122,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.486,
      "wpm": 176,
      "message": "ออกจาก Stack ให้หมด เราเอาอะไรออกมาก่อนคะ"
    },
    {
      "message_id": 1123,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.484,
      "wpm": 112,
      "message": "ตัวล่าสุด ตัวบนสุด คือ คูณ"
    },
    {
      "message_id": 1124,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.483,
      "wpm": 159,
      "message": "เอาคูณมาต่อท้ายที่ Output หรือว่าผลลั"
    },
    {
      "message_id": 1125,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.48,
      "wpm": 172,
      "message": "เอาคูณออกมาแล้วมันเหลืออีกตัวหนึ่งใช่ไหม"
    },
    {
      "message_id": 1126,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.479,
      "wpm": 56,
      "message": "ก็เอาบวกออกมา"
    },
    {
      "message_id": 1127,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.478,
      "wpm": 134,
      "message": "อันนี้คือผลลัพธ์ ผลลัพธ์สุดท้าย"
    },
    {
      "message_id": 1128,
      "agent_id": 2,
      "delay": 0.276,
      "onscreen_delay": 0,
      "typing_delay": 0.276,
      "typing_duration": 3.475,
      "wpm": 17,
      "message": "นะคะ"
    },
    {
      "message_id": 1129,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.474,
      "wpm": 173,
      "message": "จะอยู่ในรูปแบบของ Postfix คือ แปลงนิพจน์"
    },
    {
      "message_id": 1130,
      "agent_id": 4,
      "delay": 3.472,
      "onscreen_delay": 0,
      "typing_delay": 3.472,
      "typing_duration": 3.472,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1131,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.47,
      "wpm": 177,
      "message": "ได้ไหมคะ เดี๋ยวเรามาทำพร้อมกันอีกตัวหนึ่ง"
    },
    {
      "message_id": 1132,
      "agent_id": 2,
      "delay": 0.135,
      "onscreen_delay": 0,
      "typing_delay": 0.135,
      "typing_duration": 3.469,
      "wpm": 22,
      "message": "หนึ่ง"
    },
    {
      "message_id": 1133,
      "agent_id": 3,
      "delay": 3.465,
      "onscreen_delay": 0,
      "typing_delay": 3.465,
      "typing_duration": 3.465,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1134,
      "agent_id": 4,
      "delay": 3.461,
      "onscreen_delay": 0,
      "typing_delay": 3.461,
      "typing_duration": 3.461,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1135,
      "agent_id": 5,
      "delay": 3.46,
      "onscreen_delay": 0,
      "typing_delay": 3.46,
      "typing_duration": 3.46,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1136,
      "agent_id": 2,
      "delay": 3.459,
      "onscreen_delay": 0,
      "typing_delay": 3.459,
      "typing_duration": 3.459,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1137,
      "agent_id": 3,
      "delay": 3.458,
      "onscreen_delay": 0,
      "typing_delay": 3.458,
      "typing_duration": 3.458,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1138,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.456,
      "wpm": 39,
      "message": "3 + 5 x 1"
    },
    {
      "message_id": 1139,
      "agent_id": 5,
      "delay": 3.456,
      "onscreen_delay": 0,
      "typing_delay": 3.456,
      "typing_duration": 3.456,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1140,
      "agent_id": 2,
      "delay": 3.455,
      "onscreen_delay": 0,
      "typing_delay": 3.455,
      "typing_duration": 3.455,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1141,
      "agent_id": 3,
      "delay": 3.452,
      "onscreen_delay": 0,
      "typing_delay": 3.452,
      "typing_duration": 3.452,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1142,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.45,
      "wpm": 122,
      "message": "ครูมีโจทย์ใช่ไหมคะ 3 + 5 x 1"
    },
    {
      "message_id": 1143,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.447,
      "wpm": 131,
      "message": "ผลลัพธ์เท่ากับเท่าไหร่เอ่ย ตอบ"
    },
    {
      "message_id": 1144,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.445,
      "wpm": 30,
      "message": "เท่ากับ"
    },
    {
      "message_id": 1145,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.445,
      "wpm": 122,
      "message": "อันนี้ตอบเท่ากับเท่าไหร่เอ่ย"
    },
    {
      "message_id": 1146,
      "agent_id": 4,
      "delay": 1.444,
      "onscreen_delay": 0,
      "typing_delay": 1.444,
      "typing_duration": 3.444,
      "wpm": 4,
      "message": "8"
    },
    {
      "message_id": 1147,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.44,
      "wpm": 65,
      "message": "ข้างหลังตอบอะไร"
    },
    {
      "message_id": 1148,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.439,
      "wpm": 96,
      "message": "ได้เท่ากับอะไรคะ คำตอบ"
    },
    {
      "message_id": 1149,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.438,
      "wpm": 31,
      "message": "ก็คือ 8"
    },
    {
      "message_id": 1150,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.438,
      "wpm": 100,
      "message": "เอา 5 x 1 ก่อนได้เท่าไร"
    },
    {
      "message_id": 1151,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.435,
      "wpm": 52,
      "message": "ค่อยบวกกับ 3"
    },
    {
      "message_id": 1152,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.436,
      "wpm": 100,
      "message": "5 1 เป็น 5 แล้วบวกกับ 3"
    },
    {
      "message_id": 1153,
      "agent_id": 3,
      "delay": 1.432,
      "onscreen_delay": 0,
      "typing_delay": 1.432,
      "typing_duration": 3.432,
      "wpm": 4,
      "message": "8"
    },
    {
      "message_id": 1154,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.431,
      "wpm": 144,
      "message": "เดี๋ยวเราจะมาทำ จะมาแปลงนิพจน์กัน"
    },
    {
      "message_id": 1155,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.431,
      "wpm": 188,
      "message": "นะคะ แล้วเราจะมาหาค่าว่ามันได้ 8 ได้อย่างไร"
    },
    {
      "message_id": 1156,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.43,
      "wpm": 122,
      "message": "อันนี้เรากำลังจะมาแสดงวิธีทำ"
    },
    {
      "message_id": 1157,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.426,
      "wpm": 197,
      "message": "ค่าว่า 8 มันมาจากไหน เราสั่งให้คอมพิวเตอร์มัน"
    },
    {
      "message_id": 1158,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.423,
      "wpm": 149,
      "message": "คิดแบบไหน อันดับแรก วาด Stack ว่าง"
    },
    {
      "message_id": 1159,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.422,
      "wpm": 188,
      "message": "ฉะนั้น ครูบอกว่าต้องมีคอลัมน์อยู่ 3 คอลัมน์"
    },
    {
      "message_id": 1160,
      "agent_id": 2,
      "delay": 3.421,
      "onscreen_delay": 0,
      "typing_delay": 3.421,
      "typing_duration": 3.421,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1161,
      "agent_id": 3,
      "delay": 3.42,
      "onscreen_delay": 0,
      "typing_delay": 3.42,
      "typing_duration": 3.42,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1162,
      "agent_id": 4,
      "delay": 3.419,
      "onscreen_delay": 0,
      "typing_delay": 3.419,
      "typing_duration": 3.419,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1163,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.418,
      "wpm": 97,
      "message": "ครูมี 3 คอลัมน์แล้ว มี"
    },
    {
      "message_id": 1164,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.416,
      "wpm": 53,
      "message": "In put Stack"
    },
    {
      "message_id": 1165,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.414,
      "wpm": 57,
      "message": "แล้วก็ Output"
    },
    {
      "message_id": 1166,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.413,
      "wpm": 92,
      "message": "จากนั้นครูวาดตารางเลย"
    },
    {
      "message_id": 1167,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.412,
      "wpm": 149,
      "message": "โดยเอาข้อมูลมาใส่ในแต่ละแถวเลยนะคะ"
    },
    {
      "message_id": 1168,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.411,
      "wpm": 88,
      "message": "ครูอ่านเข้ามาทีละตัว"
    },
    {
      "message_id": 1169,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.41,
      "wpm": 123,
      "message": "ซ้ายไปขวา ตัวแรก คือ 3 ถัดมา"
    },
    {
      "message_id": 1170,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.409,
      "wpm": 101,
      "message": "คือเครื่องหมายบวก เลข 5"
    },
    {
      "message_id": 1171,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.408,
      "wpm": 84,
      "message": "นะคะ เครื่องหมายคูณ"
    },
    {
      "message_id": 1172,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.407,
      "wpm": 119,
      "message": "แล้วก็เลข 1 อันนี้ครูวดตารา"
    },
    {
      "message_id": 1173,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.406,
      "wpm": 40,
      "message": "เสร็จแล้ว"
    },
    {
      "message_id": 1174,
      "agent_id": 4,
      "delay": 3.404,
      "onscreen_delay": 0,
      "typing_delay": 3.404,
      "typing_duration": 3.404,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1175,
      "agent_id": 5,
      "delay": 3.401,
      "onscreen_delay": 0,
      "typing_delay": 3.401,
      "typing_duration": 3.401,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1176,
      "agent_id": 2,
      "delay": 0.065,
      "onscreen_delay": 0,
      "typing_delay": 0.065,
      "typing_duration": 3.398,
      "wpm": 22,
      "message": "ทุกคน"
    },
    {
      "message_id": 1177,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.396,
      "wpm": 102,
      "message": "วาดตามครูก่อนเลย เราวาด"
    },
    {
      "message_id": 1178,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.395,
      "wpm": 119,
      "message": "ตารางเปล่า ๆ แบบนี้ก่อนนะคะ"
    },
    {
      "message_id": 1179,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.394,
      "wpm": 115,
      "message": "คอลัมน์แรก หรือช่องแรก เอา"
    },
    {
      "message_id": 1180,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.394,
      "wpm": 88,
      "message": "ตัวเลขกับเครื่องหมาย"
    },
    {
      "message_id": 1181,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.392,
      "wpm": 88,
      "message": "มาเรียงใส่ทีละบรรทัด"
    },
    {
      "message_id": 1182,
      "agent_id": 4,
      "delay": 3.391,
      "onscreen_delay": 0,
      "typing_delay": 3.391,
      "typing_duration": 3.391,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1183,
      "agent_id": 5,
      "delay": 3.389,
      "onscreen_delay": 0,
      "typing_delay": 3.389,
      "typing_duration": 3.389,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1184,
      "agent_id": 2,
      "delay": 3.387,
      "onscreen_delay": 0,
      "typing_delay": 3.387,
      "typing_duration": 3.387,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1185,
      "agent_id": 3,
      "delay": 3.386,
      "onscreen_delay": 0,
      "typing_delay": 3.386,
      "typing_duration": 3.386,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1186,
      "agent_id": 4,
      "delay": 3.383,
      "onscreen_delay": 0,
      "typing_delay": 3.383,
      "typing_duration": 3.383,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1187,
      "agent_id": 5,
      "delay": 3.382,
      "onscreen_delay": 0,
      "typing_delay": 3.382,
      "typing_duration": 3.382,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1188,
      "agent_id": 2,
      "delay": 3.38,
      "onscreen_delay": 0,
      "typing_delay": 3.38,
      "typing_duration": 3.38,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1189,
      "agent_id": 3,
      "delay": 3.377,
      "onscreen_delay": 0,
      "typing_delay": 3.377,
      "typing_duration": 3.377,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1190,
      "agent_id": 4,
      "delay": 3.375,
      "onscreen_delay": 0,
      "typing_delay": 3.375,
      "typing_duration": 3.375,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1191,
      "agent_id": 5,
      "delay": 3.378,
      "onscreen_delay": 0,
      "typing_delay": 3.378,
      "typing_duration": 3.378,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1192,
      "agent_id": 2,
      "delay": 3.373,
      "onscreen_delay": 0,
      "typing_delay": 3.373,
      "typing_duration": 3.373,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1193,
      "agent_id": 3,
      "delay": 3.371,
      "onscreen_delay": 0,
      "typing_delay": 3.371,
      "typing_duration": 3.371,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1194,
      "agent_id": 4,
      "delay": 3.369,
      "onscreen_delay": 0,
      "typing_delay": 3.369,
      "typing_duration": 3.369,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1195,
      "agent_id": 5,
      "delay": 3.367,
      "onscreen_delay": 0,
      "typing_delay": 3.367,
      "typing_duration": 3.367,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1196,
      "agent_id": 2,
      "delay": 3.362,
      "onscreen_delay": 0,
      "typing_delay": 3.362,
      "typing_duration": 3.362,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1197,
      "agent_id": 3,
      "delay": 3.36,
      "onscreen_delay": 0,
      "typing_delay": 3.36,
      "typing_duration": 3.36,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1198,
      "agent_id": 4,
      "delay": 3.359,
      "onscreen_delay": 0,
      "typing_delay": 3.359,
      "typing_duration": 3.359,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1199,
      "agent_id": 5,
      "delay": 3.357,
      "onscreen_delay": 0,
      "typing_delay": 3.357,
      "typing_duration": 3.357,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1200,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.356,
      "wpm": 31,
      "message": "คราวนี้"
    },
    {
      "message_id": 1201,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.353,
      "wpm": 246,
      "message": "พอทุกคนลอกตารางเสร็จแล้วใช่ไหมคะ เดี๋ยวเราจะมาทำด้วยกัน"
    },
    {
      "message_id": 1202,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.351,
      "wpm": 63,
      "message": "เริ่มต้นตัวแรก"
    },
    {
      "message_id": 1203,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.35,
      "wpm": 184,
      "message": "ใช่ไหมคะทุกคน เริ่มต้นตัวแรกมันเป็นตัวเลข"
    },
    {
      "message_id": 1204,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.349,
      "wpm": 202,
      "message": "ใช่หรือเปล่า เพราะฉะนั้นเอาไปไว้ที่ช่องทางไหน"
    },
    {
      "message_id": 1205,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.348,
      "wpm": 27,
      "message": "ทางขวา"
    },
    {
      "message_id": 1206,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.346,
      "wpm": 103,
      "message": "ใส่ก่อนเลข 3 ใช่ถูกต้อง"
    },
    {
      "message_id": 1207,
      "agent_id": 5,
      "delay": 0.012,
      "onscreen_delay": 0,
      "typing_delay": 0.012,
      "typing_duration": 3.345,
      "wpm": 22,
      "message": "ถัดมา"
    },
    {
      "message_id": 1208,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.342,
      "wpm": 117,
      "message": "เป็นเครื่องหมายบวกใช่ไหมคะ"
    },
    {
      "message_id": 1209,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.341,
      "wpm": 94,
      "message": "ตรงนี้มีอะไรไหม ไม่มี"
    },
    {
      "message_id": 1210,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.339,
      "wpm": 171,
      "message": "เพราะฉะนั้น เอา + มาใส่ตรงนี้ได้เลยไหม"
    },
    {
      "message_id": 1211,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.338,
      "wpm": 121,
      "message": "ถ้าเป็นเครื่องหมาย เอาลงที่"
    },
    {
      "message_id": 1212,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.336,
      "wpm": 130,
      "message": "Stack เพราะฉะนั้นตอนนี้ Stack"
    },
    {
      "message_id": 1213,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.334,
      "wpm": 112,
      "message": "ก็ใส่เครื่องหมายบวกได้เลย"
    },
    {
      "message_id": 1214,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.333,
      "wpm": 131,
      "message": "3 ยกลงมาเหมือนเดิมนะคะ เหมือน"
    },
    {
      "message_id": 1215,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.332,
      "wpm": 135,
      "message": "ตรง Output ยก 3 ลงมาเหมือนเดิม"
    },
    {
      "message_id": 1216,
      "agent_id": 2,
      "delay": 3.331,
      "onscreen_delay": 0,
      "typing_delay": 3.331,
      "typing_duration": 3.331,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1217,
      "agent_id": 3,
      "delay": 3.327,
      "onscreen_delay": 0,
      "typing_delay": 3.327,
      "typing_duration": 3.327,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1218,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.357,
      "wpm": 94,
      "message": "ถัดมาเลข 5 เป็นตัวเลข"
    },
    {
      "message_id": 1219,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.324,
      "wpm": 86,
      "message": "เอาไว้ที่ไหน เอาไว้"
    },
    {
      "message_id": 1220,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.322,
      "wpm": 131,
      "message": "Output ใช่ไหม ฉะนั้น เอาของเด"
    },
    {
      "message_id": 1221,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.321,
      "wpm": 158,
      "message": "ยกลงมาก่อน คือ 3 เราเอาเลขอะไรมาใส่"
    },
    {
      "message_id": 1222,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.32,
      "wpm": 77,
      "message": "เลข 5 นะคะ อันนี้"
    },
    {
      "message_id": 1223,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.32,
      "wpm": 163,
      "message": "ยกลงมาไหม เครื่องหมายบวกยกลงมาด้วยนะ"
    },
    {
      "message_id": 1224,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.318,
      "wpm": 45,
      "message": "ยกลงมาด้วย"
    },
    {
      "message_id": 1225,
      "agent_id": 3,
      "delay": 3.308,
      "onscreen_delay": 0,
      "typing_delay": 3.308,
      "typing_duration": 3.308,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1226,
      "agent_id": 4,
      "delay": 3.306,
      "onscreen_delay": 0,
      "typing_delay": 3.306,
      "typing_duration": 3.306,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1227,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.305,
      "wpm": 68,
      "message": "เสร็จแล้ว ถัดมา"
    },
    {
      "message_id": 1228,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.304,
      "wpm": 64,
      "message": "เครื่องหมายคูณ"
    },
    {
      "message_id": 1229,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.303,
      "wpm": 182,
      "message": "คูณต้องเอามาลง Stack ใช่หรือเปล่า แต่คูณ"
    },
    {
      "message_id": 1230,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.302,
      "wpm": 104,
      "message": "มันมากกว่าบวกใช่ไหม คูณ"
    },
    {
      "message_id": 1231,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.301,
      "wpm": 168,
      "message": "กับบวก อะไรมากกว่ากัน คูณ เพราะฉะนั้น"
    },
    {
      "message_id": 1232,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.3,
      "wpm": 141,
      "message": "เราก็ใส่ลงไปใน Stack ได้เลย โดย"
    },
    {
      "message_id": 1233,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.299,
      "wpm": 95,
      "message": "โดยเอาของเดิมลงมาก่อน"
    },
    {
      "message_id": 1234,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.296,
      "wpm": 105,
      "message": "แล้วก็ใส่เครื่องหมายคูณ"
    },
    {
      "message_id": 1235,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.295,
      "wpm": 191,
      "message": "อันนี้ยกลงมาเหมือนเดิมไหม ยกลงมาเหมือนเดิม"
    },
    {
      "message_id": 1236,
      "agent_id": 2,
      "delay": 3.293,
      "onscreen_delay": 0,
      "typing_delay": 3.293,
      "typing_duration": 3.293,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1237,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.291,
      "wpm": 114,
      "message": "ตรงสุดท้าย 1 เอาไว้ที่ไหน"
    },
    {
      "message_id": 1238,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.288,
      "wpm": 151,
      "message": "Output แต่มีของเดิมอยู่แล้วใช่ไหม"
    },
    {
      "message_id": 1239,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.287,
      "wpm": 146,
      "message": "ยกของเดิมลงมาก่อน แล้วก็ใส่เลข 1"
    },
    {
      "message_id": 1240,
      "agent_id": 2,
      "delay": 3.285,
      "onscreen_delay": 0,
      "typing_delay": 3.285,
      "typing_duration": 3.285,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1241,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.284,
      "wpm": 174,
      "message": "อันนี้ยกลงมาเลยได้ไหม ได้นะคะ ใน Stack"
    },
    {
      "message_id": 1242,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.284,
      "wpm": 178,
      "message": "เราก็ยกเครื่องหมายออกมา เครื่องหมายนะคะ"
    },
    {
      "message_id": 1243,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.279,
      "wpm": 41,
      "message": "บวกกับคูณ"
    },
    {
      "message_id": 1244,
      "agent_id": 2,
      "delay": 3.278,
      "onscreen_delay": 0,
      "typing_delay": 3.278,
      "typing_duration": 3.278,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1245,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.276,
      "wpm": 41,
      "message": "เสร็จแล้ว"
    },
    {
      "message_id": 1246,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.274,
      "wpm": 179,
      "message": "ผลลัพธ์ที่ได้ ตอนนี้ข้อมูลหมดแล้วใช่ไหม"
    },
    {
      "message_id": 1247,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.273,
      "wpm": 192,
      "message": "ใน Stack ยังมีอยู่ ใน Stack ยังมีอยู่ ต้อง"
    },
    {
      "message_id": 1248,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.271,
      "wpm": 147,
      "message": "เอาออกมา ต้อง Pop ออกมา ใช่ไหมคะ"
    },
    {
      "message_id": 1249,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.269,
      "wpm": 147,
      "message": "ยกตรง Output ของเดิมลงมาก่อน Pop"
    },
    {
      "message_id": 1250,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.269,
      "wpm": 115,
      "message": "บวกกับคูณเอาอะไรออกมาก่อน"
    },
    {
      "message_id": 1251,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.266,
      "wpm": 129,
      "message": "คูณ แล้วตามด้วยบวก เห็นไหมคะ"
    },
    {
      "message_id": 1252,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.263,
      "wpm": 156,
      "message": "เอาตัวแรกออกมาก่อน แล้วเอาตัวที่ 2"
    },
    {
      "message_id": 1253,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.262,
      "wpm": 23,
      "message": "ออกมา"
    },
    {
      "message_id": 1254,
      "agent_id": 4,
      "delay": 3.259,
      "onscreen_delay": 0,
      "typing_delay": 3.259,
      "typing_duration": 3.259,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1255,
      "agent_id": 5,
      "delay": 3.256,
      "onscreen_delay": 0,
      "typing_delay": 3.256,
      "typing_duration": 3.256,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1256,
      "agent_id": 2,
      "delay": 3.254,
      "onscreen_delay": 0,
      "typing_delay": 3.254,
      "typing_duration": 3.254,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1257,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.252,
      "wpm": 249,
      "message": "เดี๋ยวต่ออีกนิดหนึ่งนะคะ เดี๋ยวเขียนตรงนี้ให้เสร็จก่อน"
    },
    {
      "message_id": 1258,
      "agent_id": 4,
      "delay": 3.251,
      "onscreen_delay": 0,
      "typing_delay": 3.251,
      "typing_duration": 3.251,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1259,
      "agent_id": 5,
      "delay": 3.25,
      "onscreen_delay": 0,
      "typing_delay": 3.25,
      "typing_duration": 3.25,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1260,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.247,
      "wpm": 111,
      "message": "เรายังไม่ได้ค่าเลข 8 เลย"
    },
    {
      "message_id": 1261,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.246,
      "wpm": 102,
      "message": "จะทำอย่างไรให้ได้เลข 8"
    },
    {
      "message_id": 1262,
      "agent_id": 4,
      "delay": 1.244,
      "onscreen_delay": 0,
      "typing_delay": 1.244,
      "typing_duration": 3.244,
      "wpm": 5,
      "message": "8"
    },
    {
      "message_id": 1263,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.242,
      "wpm": 93,
      "message": "ถัดมา เสร็จหรือยังคะ"
    },
    {
      "message_id": 1264,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.241,
      "wpm": 65,
      "message": "เดี๋ยวรอเพื่อน"
    },
    {
      "message_id": 1265,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.239,
      "wpm": 51,
      "message": "แป๊บหนึ่งนะ"
    },
    {
      "message_id": 1266,
      "agent_id": 4,
      "delay": 3.238,
      "onscreen_delay": 0,
      "typing_delay": 3.238,
      "typing_duration": 3.238,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1267,
      "agent_id": 5,
      "delay": 3.236,
      "onscreen_delay": 0,
      "typing_delay": 3.236,
      "typing_duration": 3.236,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1268,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.234,
      "wpm": 83,
      "message": "โอเค เราได้ผลลัพธ์"
    },
    {
      "message_id": 1269,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.232,
      "wpm": 172,
      "message": "แล้วใช่ไหมคะ จากตารางที่เราทำใน Stack"
    },
    {
      "message_id": 1270,
      "agent_id": 4,
      "delay": 3.231,
      "onscreen_delay": 0,
      "typing_delay": 3.231,
      "typing_duration": 3.231,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1271,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.229,
      "wpm": 153,
      "message": "พอได้ค่าผลลัพธ์แล้วนี่ คือ ตัวนี้"
    },
    {
      "message_id": 1272,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.228,
      "wpm": 51,
      "message": "351 คูณ บวก"
    },
    {
      "message_id": 1273,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.226,
      "wpm": 209,
      "message": "มาหาผลลัพธ์ต่อนะคะ ค่านี้จะเป็นค่าสุดท้ายแล้ว"
    },
    {
      "message_id": 1274,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 98,
      "message": "ที่เราจะได้คำตอบออกมา"
    },
    {
      "message_id": 1275,
      "agent_id": 5,
      "delay": 3.221,
      "onscreen_delay": 0,
      "typing_delay": 3.221,
      "typing_duration": 3.221,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1276,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.219,
      "wpm": 93,
      "message": "ตัวแรกตัวนี้ใช่ไหมคะ"
    },
    {
      "message_id": 1277,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.218,
      "wpm": 93,
      "message": "ขั้นตอนถัดมา ถ้าเป็น"
    },
    {
      "message_id": 1278,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.216,
      "wpm": 126,
      "message": "ตัวเลข ถ้าเป็นตัวเลขจะ Push"
    },
    {
      "message_id": 1279,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.215,
      "wpm": 149,
      "message": "ลง Stack อันนี้อีกอันหนึ่งนะ อีก"
    },
    {
      "message_id": 1280,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.216,
      "wpm": 159,
      "message": "ขั้นตอนหนึ่วนะคะ ถ้าเป็นตัวเลขจะ P"
    },
    {
      "message_id": 1281,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.213,
      "wpm": 159,
      "message": "ลง Stack ดูพร้อมครูเลย ตัวที่ 1 มา"
    },
    {
      "message_id": 1282,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.211,
      "wpm": 98,
      "message": "คือตัวเลขอะไรคะ เลข 3"
    },
    {
      "message_id": 1283,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.209,
      "wpm": 79,
      "message": "เราเอาใส่ใน Stack"
    },
    {
      "message_id": 1284,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.208,
      "wpm": 84,
      "message": "ดูพร้อมกันนะ เลข 3"
    },
    {
      "message_id": 1285,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.207,
      "wpm": 126,
      "message": "ตัวแรก เอาลง Stack ตัวถัดมา"
    },
    {
      "message_id": 1286,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.202,
      "wpm": 70,
      "message": "เลขอะไรคะ เลข 5"
    },
    {
      "message_id": 1287,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.2,
      "wpm": 164,
      "message": "ก็เอาเลข 5 Push ลง  Stack เหมือนกัน"
    },
    {
      "message_id": 1288,
      "agent_id": 2,
      "delay": 3.199,
      "onscreen_delay": 0,
      "typing_delay": 3.199,
      "typing_duration": 3.199,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1289,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.197,
      "wpm": 70,
      "message": "ตัวถัดมาเลขอะไร"
    },
    {
      "message_id": 1290,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.195,
      "wpm": 75,
      "message": "เลข 1 ก็เอาเลข 1"
    },
    {
      "message_id": 1291,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.194,
      "wpm": 108,
      "message": "Push ลง Stack เหมือนกัน"
    },
    {
      "message_id": 1292,
      "agent_id": 2,
      "delay": 3.193,
      "onscreen_delay": 0,
      "typing_delay": 3.193,
      "typing_duration": 3.193,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1293,
      "agent_id": 3,
      "delay": 3.191,
      "onscreen_delay": 0,
      "typing_delay": 3.191,
      "typing_duration": 3.191,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1294,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.186,
      "wpm": 24,
      "message": "ถัดมา"
    },
    {
      "message_id": 1295,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.185,
      "wpm": 99,
      "message": "เราเครื่องหมายคูณ ให้"
    },
    {
      "message_id": 1296,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.183,
      "wpm": 108,
      "message": "Pop ค่าบนสุดอออกมา แล้ว"
    },
    {
      "message_id": 1297,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.181,
      "wpm": 174,
      "message": "วางไว้ขวามือ เอาเลข 1 ออกมา เห็นไหมคะ"
    },
    {
      "message_id": 1298,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.182,
      "wpm": 99,
      "message": "จากนั้นใส่เครื่องหมาย"
    },
    {
      "message_id": 1299,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.175,
      "wpm": 203,
      "message": "ถ้ามันเครื่องหมายนะ ตัวที่เราอ่านมา เรา Pop"
    },
    {
      "message_id": 1300,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.173,
      "wpm": 161,
      "message": "ตัวเลขออกมาก่อน แล้วใส่เครื่องหมาย"
    },
    {
      "message_id": 1301,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.172,
      "wpm": 128,
      "message": "แล้วเอาตัวที่ 2 ออกมาแบบนี้"
    },
    {
      "message_id": 1302,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.169,
      "wpm": 114,
      "message": "นี่นะคะ เอาตัวบนสุดออกมา"
    },
    {
      "message_id": 1303,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.168,
      "wpm": 170,
      "message": "แล้วใส่เครื่องหมายที่เราอ่าน แล้วเอา"
    },
    {
      "message_id": 1304,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.167,
      "wpm": 43,
      "message": "ตัวข้อมูล"
    },
    {
      "message_id": 1305,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.166,
      "wpm": 261,
      "message": "ตัวเลขที่อยู่ใน Stack ตัวถัดมานี่ออกมา ได้ผลลัพธ์อะไรคะ"
    },
    {
      "message_id": 1306,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.165,
      "wpm": 57,
      "message": "5 x 1 เป็น 5"
    },
    {
      "message_id": 1307,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.164,
      "wpm": 123,
      "message": "ตอนนี้ใน Stack 1 กับ 5 ออก"
    },
    {
      "message_id": 1308,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.162,
      "wpm": 104,
      "message": "ไปแล้วนะ เราได้ผลลัพธ์"
    },
    {
      "message_id": 1309,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.161,
      "wpm": 95,
      "message": "คือ 5 แล้วอย่างไรต่อ"
    },
    {
      "message_id": 1310,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.159,
      "wpm": 76,
      "message": "ก็ Push ลง Stack"
    },
    {
      "message_id": 1311,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.156,
      "wpm": 124,
      "message": "เอาเลข 5 Push ลงไปใน Stack"
    },
    {
      "message_id": 1312,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.153,
      "wpm": 133,
      "message": "ตอนนี้เอาออกไปแล้ว 2 เหลือ 3"
    },
    {
      "message_id": 1313,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.152,
      "wpm": 124,
      "message": "พอคูณเสร็จเอา 5 กลับเข้ามา"
    },
    {
      "message_id": 1314,
      "agent_id": 4,
      "delay": 3.15,
      "onscreen_delay": 0,
      "typing_delay": 3.15,
      "typing_duration": 3.15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1315,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.148,
      "wpm": 57,
      "message": "ดูนะคะ ถัดมา"
    },
    {
      "message_id": 1316,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.145,
      "wpm": 86,
      "message": "อ่านเครื่องหมายบวก"
    },
    {
      "message_id": 1317,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.141,
      "wpm": 143,
      "message": "ทำเหมือนเดิมเลย เอาอะไรออกมาคะ"
    },
    {
      "message_id": 1318,
      "agent_id": 4,
      "delay": 3.14,
      "onscreen_delay": 0,
      "typing_delay": 3.14,
      "typing_duration": 3.14,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1319,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.138,
      "wpm": 225,
      "message": "เอา 5 ออกมาไว้ทางขวามือ แล้วก็ใส่เครื่องหมายบวก"
    },
    {
      "message_id": 1320,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.137,
      "wpm": 177,
      "message": "แล้วก้เอา 3 ออกมา คำตอบเป็นเท่าไหร่คะ"
    },
    {
      "message_id": 1321,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.135,
      "wpm": 29,
      "message": "เป็น 8"
    },
    {
      "message_id": 1322,
      "agent_id": 4,
      "delay": 3.134,
      "onscreen_delay": 0,
      "typing_delay": 3.134,
      "typing_duration": 3.134,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1323,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.133,
      "wpm": 235,
      "message": "แล้วก็เอา 8 ใส่ลงไปใน Stack จะเหลือเป็นค่าสุดท้าย"
    },
    {
      "message_id": 1324,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.132,
      "wpm": 67,
      "message": "นี่คือคำตอบของ"
    },
    {
      "message_id": 1325,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.129,
      "wpm": 134,
      "message": "โจทย์ข้อนี้ ได้เท่ากันเลยไหม"
    },
    {
      "message_id": 1326,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.127,
      "wpm": 91,
      "message": "ได้เท่ากันเลย คือ 8"
    },
    {
      "message_id": 1327,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.126,
      "wpm": 197,
      "message": "จะเห็นว่านี่คือกระบวนการคอมพิวเตอร์คิดค่า"
    },
    {
      "message_id": 1328,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.125,
      "wpm": 149,
      "message": "ตัวเลขให้เรานะคะ กว่าจะได้เลข 8"
    },
    {
      "message_id": 1329,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.124,
      "wpm": 178,
      "message": "ออกมานี่ คอมพิวเตอร์ต้องคิดแบบนี้นะคะ"
    },
    {
      "message_id": 1330,
      "agent_id": 4,
      "delay": 3.124,
      "onscreen_delay": 0,
      "typing_delay": 3.124,
      "typing_duration": 3.124,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1331,
      "agent_id": 5,
      "delay": 3.121,
      "onscreen_delay": 0,
      "typing_delay": 3.121,
      "typing_duration": 3.121,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1332,
      "agent_id": 2,
      "delay": 3.119,
      "onscreen_delay": 0,
      "typing_delay": 3.119,
      "typing_duration": 3.119,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1333,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.119,
      "wpm": 19,
      "message": "โอเค"
    },
    {
      "message_id": 1334,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.116,
      "wpm": 58,
      "message": "ใครเสร็จแล้ว"
    },
    {
      "message_id": 1335,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.114,
      "wpm": 197,
      "message": "ครูให้เบรกอีก 5 นาที จดตัวนี้ให้เสร็จนะคะ"
    },
    {
      "message_id": 1336,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.113,
      "wpm": 82,
      "message": "ครูให้เบรก 5 นาที"
    },
    {
      "message_id": 1337,
      "agent_id": 3,
      "delay": 3.11,
      "onscreen_delay": 0,
      "typing_delay": 3.11,
      "typing_duration": 3.11,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1338,
      "agent_id": 4,
      "delay": 3.11,
      "onscreen_delay": 0,
      "typing_delay": 3.11,
      "typing_duration": 3.11,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1339,
      "agent_id": 5,
      "delay": 3.107,
      "onscreen_delay": 0,
      "typing_delay": 3.107,
      "typing_duration": 3.107,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1340,
      "agent_id": 2,
      "delay": 3.104,
      "onscreen_delay": 0,
      "typing_delay": 3.104,
      "typing_duration": 3.104,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1341,
      "agent_id": 3,
      "delay": 3.102,
      "onscreen_delay": 0,
      "typing_delay": 3.102,
      "typing_duration": 3.102,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1342,
      "agent_id": 4,
      "delay": 3.1,
      "onscreen_delay": 0,
      "typing_delay": 3.1,
      "typing_duration": 3.1,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1343,
      "agent_id": 5,
      "delay": 3.097,
      "onscreen_delay": 0,
      "typing_delay": 3.097,
      "typing_duration": 3.097,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1344,
      "agent_id": 2,
      "delay": 3.095,
      "onscreen_delay": 0,
      "typing_delay": 3.095,
      "typing_duration": 3.095,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1345,
      "agent_id": 3,
      "delay": 3.09,
      "onscreen_delay": 0,
      "typing_delay": 3.09,
      "typing_duration": 3.09,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1346,
      "agent_id": 4,
      "delay": 3.088,
      "onscreen_delay": 0,
      "typing_delay": 3.088,
      "typing_duration": 3.088,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1347,
      "agent_id": 5,
      "delay": 3.084,
      "onscreen_delay": 0,
      "typing_delay": 3.084,
      "typing_duration": 3.084,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1348,
      "agent_id": 2,
      "delay": 3.08,
      "onscreen_delay": 0,
      "typing_delay": 3.08,
      "typing_duration": 3.08,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1349,
      "agent_id": 3,
      "delay": 3.075,
      "onscreen_delay": 0,
      "typing_delay": 3.075,
      "typing_duration": 3.075,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1350,
      "agent_id": 4,
      "delay": 3.071,
      "onscreen_delay": 0,
      "typing_delay": 3.071,
      "typing_duration": 3.071,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1351,
      "agent_id": 5,
      "delay": 3.067,
      "onscreen_delay": 0,
      "typing_delay": 3.067,
      "typing_duration": 3.067,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1352,
      "agent_id": 2,
      "delay": 3.063,
      "onscreen_delay": 0,
      "typing_delay": 3.063,
      "typing_duration": 3.063,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1353,
      "agent_id": 3,
      "delay": 3.061,
      "onscreen_delay": 0,
      "typing_delay": 3.061,
      "typing_duration": 3.061,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1354,
      "agent_id": 4,
      "delay": 3.058,
      "onscreen_delay": 0,
      "typing_delay": 3.058,
      "typing_duration": 3.058,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1355,
      "agent_id": 5,
      "delay": 3.055,
      "onscreen_delay": 0,
      "typing_delay": 3.055,
      "typing_duration": 3.055,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1356,
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      "message_id": 1444,
      "agent_id": 2,
      "delay": 3.86,
      "onscreen_delay": 0,
      "typing_delay": 3.86,
      "typing_duration": 3.86,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1445,
      "agent_id": 3,
      "delay": 3.858,
      "onscreen_delay": 0,
      "typing_delay": 3.858,
      "typing_duration": 3.858,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1446,
      "agent_id": 4,
      "delay": 3.856,
      "onscreen_delay": 0,
      "typing_delay": 3.856,
      "typing_duration": 3.856,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1447,
      "agent_id": 5,
      "delay": 3.854,
      "onscreen_delay": 0,
      "typing_delay": 3.854,
      "typing_duration": 3.854,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1448,
      "agent_id": 2,
      "delay": 3.852,
      "onscreen_delay": 0,
      "typing_delay": 3.852,
      "typing_duration": 3.852,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1449,
      "agent_id": 3,
      "delay": 3.853,
      "onscreen_delay": 0,
      "typing_delay": 3.853,
      "typing_duration": 3.853,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1450,
      "agent_id": 4,
      "delay": 3.849,
      "onscreen_delay": 0,
      "typing_delay": 3.849,
      "typing_duration": 3.849,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1451,
      "agent_id": 5,
      "delay": 3.848,
      "onscreen_delay": 0,
      "typing_delay": 3.848,
      "typing_duration": 3.848,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1452,
      "agent_id": 2,
      "delay": 3.847,
      "onscreen_delay": 0,
      "typing_delay": 3.847,
      "typing_duration": 3.847,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1453,
      "agent_id": 3,
      "delay": 3.844,
      "onscreen_delay": 0,
      "typing_delay": 3.844,
      "typing_duration": 3.844,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1454,
      "agent_id": 4,
      "delay": 3.841,
      "onscreen_delay": 0,
      "typing_delay": 3.841,
      "typing_duration": 3.841,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1455,
      "agent_id": 5,
      "delay": 3.838,
      "onscreen_delay": 0,
      "typing_delay": 3.838,
      "typing_duration": 3.838,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1456,
      "agent_id": 2,
      "delay": 3.834,
      "onscreen_delay": 0,
      "typing_delay": 3.834,
      "typing_duration": 3.834,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1457,
      "agent_id": 3,
      "delay": 3.833,
      "onscreen_delay": 0,
      "typing_delay": 3.833,
      "typing_duration": 3.833,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1458,
      "agent_id": 4,
      "delay": 3.829,
      "onscreen_delay": 0,
      "typing_delay": 3.829,
      "typing_duration": 3.829,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1459,
      "agent_id": 5,
      "delay": 3.83,
      "onscreen_delay": 0,
      "typing_delay": 3.83,
      "typing_duration": 3.83,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1460,
      "agent_id": 2,
      "delay": 3.827,
      "onscreen_delay": 0,
      "typing_delay": 3.827,
      "typing_duration": 3.827,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1461,
      "agent_id": 3,
      "delay": 3.826,
      "onscreen_delay": 0,
      "typing_delay": 3.826,
      "typing_duration": 3.826,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1462,
      "agent_id": 4,
      "delay": 3.826,
      "onscreen_delay": 0,
      "typing_delay": 3.826,
      "typing_duration": 3.826,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1463,
      "agent_id": 5,
      "delay": 3.827,
      "onscreen_delay": 0,
      "typing_delay": 3.827,
      "typing_duration": 3.827,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1464,
      "agent_id": 2,
      "delay": 3.402,
      "onscreen_delay": 0,
      "typing_delay": 3.402,
      "typing_duration": 3.402,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1465,
      "agent_id": 3,
      "delay": 3.34,
      "onscreen_delay": 0,
      "typing_delay": 3.34,
      "typing_duration": 3.34,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1466,
      "agent_id": 4,
      "delay": 3.339,
      "onscreen_delay": 0,
      "typing_delay": 3.339,
      "typing_duration": 3.339,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1467,
      "agent_id": 5,
      "delay": 3.337,
      "onscreen_delay": 0,
      "typing_delay": 3.337,
      "typing_duration": 3.337,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1468,
      "agent_id": 2,
      "delay": 3.336,
      "onscreen_delay": 0,
      "typing_delay": 3.336,
      "typing_duration": 3.336,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1469,
      "agent_id": 3,
      "delay": 3.335,
      "onscreen_delay": 0,
      "typing_delay": 3.335,
      "typing_duration": 3.335,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1470,
      "agent_id": 4,
      "delay": 3.333,
      "onscreen_delay": 0,
      "typing_delay": 3.333,
      "typing_duration": 3.333,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1471,
      "agent_id": 5,
      "delay": 3.33,
      "onscreen_delay": 0,
      "typing_delay": 3.33,
      "typing_duration": 3.33,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1472,
      "agent_id": 2,
      "delay": 3.33,
      "onscreen_delay": 0,
      "typing_delay": 3.33,
      "typing_duration": 3.33,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1473,
      "agent_id": 3,
      "delay": 3.327,
      "onscreen_delay": 0,
      "typing_delay": 3.327,
      "typing_duration": 3.327,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1474,
      "agent_id": 4,
      "delay": 3.325,
      "onscreen_delay": 0,
      "typing_delay": 3.325,
      "typing_duration": 3.325,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1475,
      "agent_id": 5,
      "delay": 3.324,
      "onscreen_delay": 0,
      "typing_delay": 3.324,
      "typing_duration": 3.324,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1476,
      "agent_id": 2,
      "delay": 3.321,
      "onscreen_delay": 0,
      "typing_delay": 3.321,
      "typing_duration": 3.321,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1477,
      "agent_id": 3,
      "delay": 3.32,
      "onscreen_delay": 0,
      "typing_delay": 3.32,
      "typing_duration": 3.32,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1478,
      "agent_id": 4,
      "delay": 3.319,
      "onscreen_delay": 0,
      "typing_delay": 3.319,
      "typing_duration": 3.319,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1479,
      "agent_id": 5,
      "delay": 3.316,
      "onscreen_delay": 0,
      "typing_delay": 3.316,
      "typing_duration": 3.316,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1480,
      "agent_id": 2,
      "delay": 3.314,
      "onscreen_delay": 0,
      "typing_delay": 3.314,
      "typing_duration": 3.314,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1481,
      "agent_id": 3,
      "delay": 3.313,
      "onscreen_delay": 0,
      "typing_delay": 3.313,
      "typing_duration": 3.313,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1482,
      "agent_id": 4,
      "delay": 3.31,
      "onscreen_delay": 0,
      "typing_delay": 3.31,
      "typing_duration": 3.31,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1483,
      "agent_id": 5,
      "delay": 3.307,
      "onscreen_delay": 0,
      "typing_delay": 3.307,
      "typing_duration": 3.307,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1484,
      "agent_id": 2,
      "delay": 3.305,
      "onscreen_delay": 0,
      "typing_delay": 3.305,
      "typing_duration": 3.305,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1485,
      "agent_id": 3,
      "delay": 3.303,
      "onscreen_delay": 0,
      "typing_delay": 3.303,
      "typing_duration": 3.303,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1486,
      "agent_id": 4,
      "delay": 3.302,
      "onscreen_delay": 0,
      "typing_delay": 3.302,
      "typing_duration": 3.302,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1487,
      "agent_id": 5,
      "delay": 3.303,
      "onscreen_delay": 0,
      "typing_delay": 3.303,
      "typing_duration": 3.303,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1488,
      "agent_id": 2,
      "delay": 3.298,
      "onscreen_delay": 0,
      "typing_delay": 3.298,
      "typing_duration": 3.298,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1489,
      "agent_id": 3,
      "delay": 3.296,
      "onscreen_delay": 0,
      "typing_delay": 3.296,
      "typing_duration": 3.296,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1490,
      "agent_id": 4,
      "delay": 3.297,
      "onscreen_delay": 0,
      "typing_delay": 3.297,
      "typing_duration": 3.297,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1491,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.292,
      "wpm": 118,
      "message": "ค่ะ เดี๋ยวมาต่ออีกนิดหนึ่ง"
    },
    {
      "message_id": 1492,
      "agent_id": 2,
      "delay": 3.291,
      "onscreen_delay": 0,
      "typing_delay": 3.291,
      "typing_duration": 3.291,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1493,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.289,
      "wpm": 132,
      "message": "คราวนี้มาดูอีก 1 ตัวอย่างนะคะ"
    },
    {
      "message_id": 1494,
      "agent_id": 4,
      "delay": 3.288,
      "onscreen_delay": 0,
      "typing_delay": 3.288,
      "typing_duration": 3.288,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1495,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.287,
      "wpm": 59,
      "message": "ครูมีโจทย์ให้"
    },
    {
      "message_id": 1496,
      "agent_id": 2,
      "delay": 3.285,
      "onscreen_delay": 0,
      "typing_delay": 3.285,
      "typing_duration": 3.285,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1497,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.282,
      "wpm": 23,
      "message": "5 x 2"
    },
    {
      "message_id": 1498,
      "agent_id": 4,
      "delay": 0.28,
      "onscreen_delay": 0,
      "typing_delay": 0.28,
      "typing_duration": 3.28,
      "wpm": 14,
      "message": "+ 2"
    },
    {
      "message_id": 1499,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.278,
      "wpm": 50,
      "message": "ตอนนี้เราทำ"
    },
    {
      "message_id": 1500,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.277,
      "wpm": 82,
      "message": "จาก Prefix ให้เป็น"
    },
    {
      "message_id": 1501,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.276,
      "wpm": 73,
      "message": "Postfix ก่อนนะคะ"
    },
    {
      "message_id": 1502,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.273,
      "wpm": 41,
      "message": "อันดับแรก"
    },
    {
      "message_id": 1503,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.272,
      "wpm": 110,
      "message": "ต้องวาดตารางก่อนใช่ไหมคะ"
    },
    {
      "message_id": 1504,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.269,
      "wpm": 87,
      "message": "วาดตาราง Stack ว่าง"
    },
    {
      "message_id": 1505,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.268,
      "wpm": 147,
      "message": "ครูก็วาด 3 ช่องเหมือนเดิม แล้วก็"
    },
    {
      "message_id": 1506,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.266,
      "wpm": 147,
      "message": "ตรง Input ครูก็เอาข้อมูลแต่ละตัว"
    },
    {
      "message_id": 1507,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.265,
      "wpm": 92,
      "message": "มาใส่ลงในแต่ละบรรทัด"
    },
    {
      "message_id": 1508,
      "agent_id": 2,
      "delay": 3.263,
      "onscreen_delay": 0,
      "typing_delay": 3.263,
      "typing_duration": 3.263,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1509,
      "agent_id": 3,
      "delay": 3.262,
      "onscreen_delay": 0,
      "typing_delay": 3.262,
      "typing_duration": 3.262,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1510,
      "agent_id": 4,
      "delay": 3.261,
      "onscreen_delay": 0,
      "typing_delay": 3.261,
      "typing_duration": 3.261,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1511,
      "agent_id": 5,
      "delay": 3.259,
      "onscreen_delay": 0,
      "typing_delay": 3.259,
      "typing_duration": 3.259,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1512,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.259,
      "wpm": 133,
      "message": "เริ่มต้นเลย หย่อนเข้ามาตัวเลข"
    },
    {
      "message_id": 1513,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.253,
      "wpm": 194,
      "message": "คือ เลข 5 ใช่ไหม มันเป็นตัวเลข เพราะฉะนั้น"
    },
    {
      "message_id": 1514,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.25,
      "wpm": 83,
      "message": "เอาไปไว้ที่ Output"
    },
    {
      "message_id": 1515,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.249,
      "wpm": 185,
      "message": "นะคะ นะ ถ้าเป็นตัวเลข เอาไปไว้ที่ Output"
    },
    {
      "message_id": 1516,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.248,
      "wpm": 69,
      "message": "ได้เลย ตัวถัดมา"
    },
    {
      "message_id": 1517,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.245,
      "wpm": 65,
      "message": "เครื่องหมายคูณ"
    },
    {
      "message_id": 1518,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.244,
      "wpm": 125,
      "message": "แสดงว่าต้องเอาไปไว้ใน Stack"
    },
    {
      "message_id": 1519,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.243,
      "wpm": 143,
      "message": "ตอนนี้ Stack มันเป็น Stack ว่าง"
    },
    {
      "message_id": 1520,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.242,
      "wpm": 97,
      "message": "เราก็เลยเอาคูณมาใส่ใน"
    },
    {
      "message_id": 1521,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.237,
      "wpm": 111,
      "message": "Stack ได้เลย ส่วน Output"
    },
    {
      "message_id": 1522,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.234,
      "wpm": 97,
      "message": "ก็ยก 5 ลงมาเหมือนเดิม"
    },
    {
      "message_id": 1523,
      "agent_id": 5,
      "delay": 3.235,
      "onscreen_delay": 0,
      "typing_delay": 3.235,
      "typing_duration": 3.235,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1524,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.232,
      "wpm": 139,
      "message": "โอเคนะ ยังเป็นเหมือนเดิมอญู่นะ"
    },
    {
      "message_id": 1525,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.231,
      "wpm": 79,
      "message": "2 บรรทัดแรก ถัดมา"
    },
    {
      "message_id": 1526,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.227,
      "wpm": 65,
      "message": "เจอเลข 2 เลข 2"
    },
    {
      "message_id": 1527,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 144,
      "message": "2 มันเป็นตัวเลข ต้องเอาไปไว้ที่"
    },
    {
      "message_id": 1528,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 93,
      "message": "Output เพราะฉะนั้น 2"
    },
    {
      "message_id": 1529,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 144,
      "message": "จะอยู่ต่อจากเลข 5 นะคะ ใน Stack"
    },
    {
      "message_id": 1530,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.221,
      "wpm": 84,
      "message": "ก็ยกลงมาเหมือนเดิม"
    },
    {
      "message_id": 1531,
      "agent_id": 5,
      "delay": 3.22,
      "onscreen_delay": 0,
      "typing_delay": 3.22,
      "typing_duration": 3.22,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1532,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.219,
      "wpm": 61,
      "message": "ถึงตรงนี้นะคะ"
    },
    {
      "message_id": 1533,
      "agent_id": 3,
      "delay": 3.216,
      "onscreen_delay": 0,
      "typing_delay": 3.216,
      "typing_duration": 3.216,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1534,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.214,
      "wpm": 107,
      "message": "ถัดมาข้อมูลที่เราอ่านมา"
    },
    {
      "message_id": 1535,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.213,
      "wpm": 107,
      "message": "เครื่องหมายบวก พอเราเจอ"
    },
    {
      "message_id": 1536,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.212,
      "wpm": 159,
      "message": "เครื่องหมายบวก ครูบอกว่าต้องเอามัน"
    },
    {
      "message_id": 1537,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.211,
      "wpm": 164,
      "message": "ไปไว้ใน Stack แต่ก่อนอื่น ก่อนที่จะ"
    },
    {
      "message_id": 1538,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.209,
      "wpm": 98,
      "message": "เอาไปไว้ใน Stack เดิม"
    },
    {
      "message_id": 1539,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.208,
      "wpm": 285,
      "message": "เรามีข้อมูลใน Stack หรือเปล่า มีใช่หรือเปล่า มีเครื่องหมายคูณ"
    },
    {
      "message_id": 1540,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.206,
      "wpm": 75,
      "message": "เพราะฉะนั้นเราต้"
    },
    {
      "message_id": 1541,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.205,
      "wpm": 150,
      "message": "ต้องเปรียบเทียบความสำคัญก่อน บวก"
    },
    {
      "message_id": 1542,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.204,
      "wpm": 117,
      "message": "มันน้อยกว่าหรือมากกว่าคูณ"
    },
    {
      "message_id": 1543,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.203,
      "wpm": 89,
      "message": "น้อยกว่า ใช่ไหม บวก"
    },
    {
      "message_id": 1544,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.202,
      "wpm": 131,
      "message": "มีค่าน้อยกว่าคูณ เพราะฉะนั้น"
    },
    {
      "message_id": 1545,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.204,
      "wpm": 84,
      "message": "ทำอย่างไรคะ เอาคูณ"
    },
    {
      "message_id": 1546,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.201,
      "wpm": 23,
      "message": "ออกมา"
    },
    {
      "message_id": 1547,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.199,
      "wpm": 145,
      "message": "บวกมีค่าน้อยกว่าคูณ เพราะฉะนั้น"
    },
    {
      "message_id": 1548,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.197,
      "wpm": 33,
      "message": "ต้องเอา"
    },
    {
      "message_id": 1549,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.196,
      "wpm": 211,
      "message": "ข้อมูลที่อยู่บน Stack นี่ คือ คูณ เอามาไว้ที่"
    },
    {
      "message_id": 1550,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.195,
      "wpm": 75,
      "message": "Output เห็นไหมคะ"
    },
    {
      "message_id": 1551,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.194,
      "wpm": 178,
      "message": "เอามาไว้ที่ Output เสร็จแล้ว เราถึงเอา"
    },
    {
      "message_id": 1552,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.191,
      "wpm": 150,
      "message": "เครื่องหมายบวก Push ลงไปใน Stack"
    },
    {
      "message_id": 1553,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.19,
      "wpm": 141,
      "message": "นะคะ แล้วค่อยเอาเครื่องหมายบวก"
    },
    {
      "message_id": 1554,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.189,
      "wpm": 198,
      "message": "ใส่ลงไปใน Stack ได้เลย เพราะ Stack มันว่าง"
    },
    {
      "message_id": 1555,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.187,
      "wpm": 136,
      "message": "เพราะฉะนั้น ตรง Output จะเป็น"
    },
    {
      "message_id": 1556,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.185,
      "wpm": 108,
      "message": "5, 2 แล้วก็เครื่องหมาย๕"
    },
    {
      "message_id": 1557,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.184,
      "wpm": 33,
      "message": "ทำไมคูณ"
    },
    {
      "message_id": 1558,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.184,
      "wpm": 165,
      "message": "ถึงต้องออกมา เพราะบวกมันน้อยกว่าคูณ"
    },
    {
      "message_id": 1559,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.182,
      "wpm": 127,
      "message": "เห็นไหมคะ บวกมันน้อยกว่าคูณ"
    },
    {
      "message_id": 1560,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.181,
      "wpm": 66,
      "message": "เลยเอาคูณออกมา"
    },
    {
      "message_id": 1561,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.181,
      "wpm": 94,
      "message": "ถัดมาเลขอะไรคะ เลข 2"
    },
    {
      "message_id": 1562,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.179,
      "wpm": 217,
      "message": "เอาไปไว้ที่ Output ได้เลย ก็เอามันไปต่อท้ายคูณ"
    },
    {
      "message_id": 1563,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.177,
      "wpm": 212,
      "message": "เอามันมาต่อท้ายคูณใช้หรือเปล่า เพราะมันคือคูณ"
    },
    {
      "message_id": 1564,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.176,
      "wpm": 71,
      "message": "เอา 2 มาต่อท้าย"
    },
    {
      "message_id": 1565,
      "agent_id": 3,
      "delay": 3.184,
      "onscreen_delay": 0,
      "typing_delay": 3.184,
      "typing_duration": 3.184,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1566,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.174,
      "wpm": 137,
      "message": "ตอนนี้เราอ่านข้อมูลครบหมดแล้ว"
    },
    {
      "message_id": 1567,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.169,
      "wpm": 204,
      "message": "แต่ใน Stack มันยังมีบวกค้างอยู่ เพราะฉะนั้น"
    },
    {
      "message_id": 1568,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.167,
      "wpm": 90,
      "message": "ต้อง Pop มันออกมา แ"
    },
    {
      "message_id": 1569,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.166,
      "wpm": 147,
      "message": "นะคะ Pop มันออกมาและไว้ข้างหลัง"
    },
    {
      "message_id": 1570,
      "agent_id": 4,
      "delay": 3.165,
      "onscreen_delay": 0,
      "typing_delay": 3.165,
      "typing_duration": 3.165,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1571,
      "agent_id": 5,
      "delay": 3.163,
      "onscreen_delay": 0,
      "typing_delay": 3.163,
      "typing_duration": 3.163,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1572,
      "agent_id": 2,
      "delay": 3.162,
      "onscreen_delay": 0,
      "typing_delay": 3.162,
      "typing_duration": 3.162,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1573,
      "agent_id": 3,
      "delay": 3.16,
      "onscreen_delay": 0,
      "typing_delay": 3.16,
      "typing_duration": 3.16,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1574,
      "agent_id": 4,
      "delay": 3.158,
      "onscreen_delay": 0,
      "typing_delay": 3.158,
      "typing_duration": 3.158,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1575,
      "agent_id": 5,
      "delay": 3.156,
      "onscreen_delay": 0,
      "typing_delay": 3.156,
      "typing_duration": 3.156,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1576,
      "agent_id": 2,
      "delay": 3.154,
      "onscreen_delay": 0,
      "typing_delay": 3.154,
      "typing_duration": 3.154,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1577,
      "agent_id": 3,
      "delay": 3.152,
      "onscreen_delay": 0,
      "typing_delay": 3.152,
      "typing_duration": 3.152,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1578,
      "agent_id": 4,
      "delay": 3.149,
      "onscreen_delay": 0,
      "typing_delay": 3.149,
      "typing_duration": 3.149,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1579,
      "agent_id": 5,
      "delay": 3.147,
      "onscreen_delay": 0,
      "typing_delay": 3.147,
      "typing_duration": 3.147,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1580,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.146,
      "wpm": 29,
      "message": "โอเคนะ"
    },
    {
      "message_id": 1581,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.145,
      "wpm": 157,
      "message": "แบบฝึกหัด ช่วยครูทำหน่อยตอนนี้เลย"
    },
    {
      "message_id": 1582,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.142,
      "wpm": 110,
      "message": "ครูโจทย์ให้นะคะ 3 หาร 1"
    },
    {
      "message_id": 1583,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.141,
      "wpm": 110,
      "message": "ลบ 2 แล้วครูก็บอกว่าหาร"
    },
    {
      "message_id": 1584,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.137,
      "wpm": 110,
      "message": "นี่ มันมีค่ามากกว่าลบนะ"
    },
    {
      "message_id": 1585,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.136,
      "wpm": 100,
      "message": "หาค่าผลลัพธ์ของนิพจน์"
    },
    {
      "message_id": 1586,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.135,
      "wpm": 91,
      "message": "Postfix ให้ครูหน่อย"
    },
    {
      "message_id": 1587,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.133,
      "wpm": 86,
      "message": "จะได้อะไร เริ่มต้น"
    },
    {
      "message_id": 1588,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.138,
      "wpm": 76,
      "message": "ทุกคนตีตารางก่อน"
    },
    {
      "message_id": 1589,
      "agent_id": 3,
      "delay": 3.132,
      "onscreen_delay": 0,
      "typing_delay": 3.132,
      "typing_duration": 3.132,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1590,
      "agent_id": 4,
      "delay": 3.129,
      "onscreen_delay": 0,
      "typing_delay": 3.129,
      "typing_duration": 3.129,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1591,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.125,
      "wpm": 110,
      "message": "ลองทำดูสิคะ มีกระดาษไหม"
    },
    {
      "message_id": 1592,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.122,
      "wpm": 86,
      "message": "ไม่มีมาเอาข้างหน้า"
    },
    {
      "message_id": 1593,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.121,
      "wpm": 77,
      "message": "ครูมีกระดาษให้นะ"
    },
    {
      "message_id": 1594,
      "agent_id": 4,
      "delay": 3.117,
      "onscreen_delay": 0,
      "typing_delay": 3.117,
      "typing_duration": 3.117,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1595,
      "agent_id": 5,
      "delay": 3.114,
      "onscreen_delay": 0,
      "typing_delay": 3.114,
      "typing_duration": 3.114,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1596,
      "agent_id": 2,
      "delay": 3.112,
      "onscreen_delay": 0,
      "typing_delay": 3.112,
      "typing_duration": 3.112,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1597,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.11,
      "wpm": 150,
      "message": "แบบฝึกหัด 1 ข้อนะคะ ทำตอนนี้เลย"
    },
    {
      "message_id": 1598,
      "agent_id": 4,
      "delay": 3.108,
      "onscreen_delay": 0,
      "typing_delay": 3.108,
      "typing_duration": 3.108,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1599,
      "agent_id": 5,
      "delay": 3.107,
      "onscreen_delay": 0,
      "typing_delay": 3.107,
      "typing_duration": 3.107,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1600,
      "agent_id": 2,
      "delay": 3.102,
      "onscreen_delay": 0,
      "typing_delay": 3.102,
      "typing_duration": 3.102,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1601,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.099,
      "wpm": 121,
      "message": "เหมือนกับโจทย์ที่ครูให้ไป"
    },
    {
      "message_id": 1602,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
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      "message": "นะคะ คล้าย ๆ กับโจทย์ที่ครูให้ไป"
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      "typing_duration": 3.097,
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      "message": "จดแล้วด้วยนะ"
    },
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      "message_id": 1610,
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      "message_id": 1626,
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      "message_id": 1627,
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      "message_id": 1628,
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      "message_id": 1629,
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      "message": "เหมือนโจทย์สุดท้ายที่ครูให้ไปเมื่อกี้เลยนะ"
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      "message_id": 1630,
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      "typing_duration": 3.026,
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      "message": "ลบ"
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    {
      "message_id": 1631,
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      "delay": 0,
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      "typing_duration": 3.023,
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      "message": "มันน้อยกว่าหารใช่ไหมคะ เรา"
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      "message_id": 1632,
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      "delay": 0,
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      "typing_duration": 3.022,
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      "message": "เปรียบเทียบกัน ลบมันน้อยกว่าหาร"
    },
    {
      "message_id": 1633,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
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      "typing_duration": 3.02,
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      "message": "เพราะฉะนั้น"
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    {
      "message_id": 1634,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.021,
      "wpm": 84,
      "message": "ก็ต้องเอาหารออกมา"
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      "message_id": 1635,
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      "delay": 3.017,
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      "message_id": 1636,
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      "onscreen_delay": 0,
      "typing_delay": 3.901,
      "typing_duration": 3.901,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1689,
      "agent_id": 3,
      "delay": 3.901,
      "onscreen_delay": 0,
      "typing_delay": 3.901,
      "typing_duration": 3.901,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1690,
      "agent_id": 4,
      "delay": 3.897,
      "onscreen_delay": 0,
      "typing_delay": 3.897,
      "typing_duration": 3.897,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1691,
      "agent_id": 5,
      "delay": 3.896,
      "onscreen_delay": 0,
      "typing_delay": 3.896,
      "typing_duration": 3.896,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1692,
      "agent_id": 2,
      "delay": 3.896,
      "onscreen_delay": 0,
      "typing_delay": 3.896,
      "typing_duration": 3.896,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1693,
      "agent_id": 3,
      "delay": 3.896,
      "onscreen_delay": 0,
      "typing_delay": 3.896,
      "typing_duration": 3.896,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1694,
      "agent_id": 4,
      "delay": 3.896,
      "onscreen_delay": 0,
      "typing_delay": 3.896,
      "typing_duration": 3.896,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1695,
      "agent_id": 5,
      "delay": 3.891,
      "onscreen_delay": 0,
      "typing_delay": 3.891,
      "typing_duration": 3.891,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1696,
      "agent_id": 2,
      "delay": 3.889,
      "onscreen_delay": 0,
      "typing_delay": 3.889,
      "typing_duration": 3.889,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1697,
      "agent_id": 3,
      "delay": 3.888,
      "onscreen_delay": 0,
      "typing_delay": 3.888,
      "typing_duration": 3.888,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1698,
      "agent_id": 4,
      "delay": 3.886,
      "onscreen_delay": 0,
      "typing_delay": 3.886,
      "typing_duration": 3.886,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1699,
      "agent_id": 5,
      "delay": 3.884,
      "onscreen_delay": 0,
      "typing_delay": 3.884,
      "typing_duration": 3.884,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1700,
      "agent_id": 2,
      "delay": 3.885,
      "onscreen_delay": 0,
      "typing_delay": 3.885,
      "typing_duration": 3.885,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1701,
      "agent_id": 3,
      "delay": 3.883,
      "onscreen_delay": 0,
      "typing_delay": 3.883,
      "typing_duration": 3.883,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1702,
      "agent_id": 4,
      "delay": 3.88,
      "onscreen_delay": 0,
      "typing_delay": 3.88,
      "typing_duration": 3.88,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1703,
      "agent_id": 5,
      "delay": 3.879,
      "onscreen_delay": 0,
      "typing_delay": 3.879,
      "typing_duration": 3.879,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1704,
      "agent_id": 2,
      "delay": 3.879,
      "onscreen_delay": 0,
      "typing_delay": 3.879,
      "typing_duration": 3.879,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1705,
      "agent_id": 3,
      "delay": 3.877,
      "onscreen_delay": 0,
      "typing_delay": 3.877,
      "typing_duration": 3.877,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1706,
      "agent_id": 4,
      "delay": 3.876,
      "onscreen_delay": 0,
      "typing_delay": 3.876,
      "typing_duration": 3.876,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1707,
      "agent_id": 5,
      "delay": 3.875,
      "onscreen_delay": 0,
      "typing_delay": 3.875,
      "typing_duration": 3.875,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1708,
      "agent_id": 2,
      "delay": 3.872,
      "onscreen_delay": 0,
      "typing_delay": 3.872,
      "typing_duration": 3.872,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1709,
      "agent_id": 3,
      "delay": 3.875,
      "onscreen_delay": 0,
      "typing_delay": 3.875,
      "typing_duration": 3.875,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1710,
      "agent_id": 4,
      "delay": 3.87,
      "onscreen_delay": 0,
      "typing_delay": 3.87,
      "typing_duration": 3.87,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1711,
      "agent_id": 5,
      "delay": 3.869,
      "onscreen_delay": 0,
      "typing_delay": 3.869,
      "typing_duration": 3.869,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1712,
      "agent_id": 2,
      "delay": 3.868,
      "onscreen_delay": 0,
      "typing_delay": 3.868,
      "typing_duration": 3.868,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1713,
      "agent_id": 3,
      "delay": 3.866,
      "onscreen_delay": 0,
      "typing_delay": 3.866,
      "typing_duration": 3.866,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1714,
      "agent_id": 4,
      "delay": 0.045,
      "onscreen_delay": 0,
      "typing_delay": 0.045,
      "typing_duration": 3.871,
      "wpm": 81,
      "message": "คราวนี้นะคะ ดูด้วยกัน"
    },
    {
      "message_id": 1715,
      "agent_id": 5,
      "delay": 3.863,
      "onscreen_delay": 0,
      "typing_delay": 3.863,
      "typing_duration": 3.863,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1716,
      "agent_id": 2,
      "delay": 1.862,
      "onscreen_delay": 0,
      "typing_delay": 1.862,
      "typing_duration": 3.862,
      "wpm": 4,
      "message": "3"
    },
    {
      "message_id": 1717,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.861,
      "wpm": 117,
      "message": "เอา 3 ไปไว้ที่ไหนคะ ที่ Output"
    },
    {
      "message_id": 1718,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.862,
      "wpm": 120,
      "message": "เห็นไหมคะ เอา 3 ไปไว้ที่ Output"
    },
    {
      "message_id": 1719,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.851,
      "wpm": 191,
      "message": "เครื่องหมายหาร เอาเครื่องหมายหารไปไว้ที่ไหน Stack"
    },
    {
      "message_id": 1720,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.85,
      "wpm": 171,
      "message": "เพราะมันเป็น Stack ว่าง เราก็หย่อนเครื่องหมา"
    },
    {
      "message_id": 1721,
      "agent_id": 3,
      "delay": 0.002,
      "onscreen_delay": 0,
      "typing_delay": 0.002,
      "typing_duration": 3.849,
      "wpm": 97,
      "message": "Output เรายกมันลงมาด้วยนะ"
    },
    {
      "message_id": 1722,
      "agent_id": 4,
      "delay": 3.846,
      "onscreen_delay": 0,
      "typing_delay": 3.846,
      "typing_duration": 3.846,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1723,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.846,
      "wpm": 203,
      "message": "ถัดไป เราอ่านเจอเลข 1 ใช่ไหมคะ เราต้องเอาเลข 1 ไปไว้"
    },
    {
      "message_id": 1724,
      "agent_id": 2,
      "delay": 0.127,
      "onscreen_delay": 0,
      "typing_delay": 0.127,
      "typing_duration": 3.842,
      "wpm": 51,
      "message": "ที่ไหน Output"
    },
    {
      "message_id": 1725,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.839,
      "wpm": 141,
      "message": "ยกลงมาก่อน เสร็จแล้วก็เติมเลข 1 ลงไป"
    },
    {
      "message_id": 1726,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.837,
      "wpm": 94,
      "message": "ใน Stack ยังเหมือนเดิมนะ"
    },
    {
      "message_id": 1727,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.841,
      "wpm": 172,
      "message": "เรายังมีเครื่องหมายหารอยู่ เราก็ยกลงมาได้เลย"
    },
    {
      "message_id": 1728,
      "agent_id": 2,
      "delay": 0.498,
      "onscreen_delay": 0,
      "typing_delay": 0.498,
      "typing_duration": 3.832,
      "wpm": 20,
      "message": "ถัดมา"
    },
    {
      "message_id": 1729,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.831,
      "wpm": 157,
      "message": "เครื่องหมายลบใช่ไหมคะ เดิมใน Stack เรามี"
    },
    {
      "message_id": 1730,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.831,
      "wpm": 137,
      "message": "หารอยู่แล้วใช่ไหม ครูเขียนให้ดูก่อน"
    },
    {
      "message_id": 1731,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.827,
      "wpm": 149,
      "message": "เรามีหารอยู่แล้วนี่ เราเอาลบมาเทียบกับ"
    },
    {
      "message_id": 1732,
      "agent_id": 2,
      "delay": 0.11,
      "onscreen_delay": 0,
      "typing_delay": 0.11,
      "typing_duration": 3.826,
      "wpm": 51,
      "message": "หาร ปรากฎว่าค"
    },
    {
      "message_id": 1733,
      "agent_id": 3,
      "delay": 0.057,
      "onscreen_delay": 0,
      "typing_delay": 0.057,
      "typing_duration": 3.822,
      "wpm": 63,
      "message": "ค่าลบมันน้อยกว่า"
    },
    {
      "message_id": 1734,
      "agent_id": 4,
      "delay": 0.131,
      "onscreen_delay": 0,
      "typing_delay": 0.131,
      "typing_duration": 3.821,
      "wpm": 47,
      "message": "ให้ทำอย่างไร"
    },
    {
      "message_id": 1735,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.819,
      "wpm": 106,
      "message": "ให้เอาหารนี่ เอาออกมาไว้ที่"
    },
    {
      "message_id": 1736,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.817,
      "wpm": 110,
      "message": "Output เพราะฉะนั้น จะได้เป็น"
    },
    {
      "message_id": 1737,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.819,
      "wpm": 134,
      "message": "3, 1 แล้วก็หาร ตรงนี้หายไปใช่ไหมคะ"
    },
    {
      "message_id": 1738,
      "agent_id": 4,
      "delay": 0.016,
      "onscreen_delay": 0,
      "typing_delay": 0.016,
      "typing_duration": 3.816,
      "wpm": 75,
      "message": "เสร็จแล้วก็ใส่ค่าลบ"
    },
    {
      "message_id": 1739,
      "agent_id": 5,
      "delay": 0.124,
      "onscreen_delay": 0,
      "typing_delay": 0.124,
      "typing_duration": 3.819,
      "wpm": 47,
      "message": "ลงมาใน Stack"
    },
    {
      "message_id": 1740,
      "agent_id": 2,
      "delay": 0.08,
      "onscreen_delay": 0,
      "typing_delay": 0.08,
      "typing_duration": 3.814,
      "wpm": 55,
      "message": "ถัดมาหย่อนอะไร"
    },
    {
      "message_id": 1741,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.814,
      "wpm": 165,
      "message": "ยกของเดิมลงมาก่อนที่ Output แล้วก็ใส่เลข 2"
    },
    {
      "message_id": 1742,
      "agent_id": 4,
      "delay": 0.011,
      "onscreen_delay": 0,
      "typing_delay": 0.011,
      "typing_duration": 3.812,
      "wpm": 75,
      "message": "ใน Stack หรืออะไรคะ"
    },
    {
      "message_id": 1743,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.811,
      "wpm": 138,
      "message": "เครื่องหมายลบใช่ไม อ่านครบหมดแล้วนะ"
    },
    {
      "message_id": 1744,
      "agent_id": 2,
      "delay": 0.142,
      "onscreen_delay": 0,
      "typing_delay": 0.142,
      "typing_duration": 3.809,
      "wpm": 43,
      "message": "แต่ใน Stack"
    },
    {
      "message_id": 1745,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.809,
      "wpm": 130,
      "message": "เราต้องเอาค่าจาก Stack ออกมา เป็น"
    },
    {
      "message_id": 1746,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.807,
      "wpm": 91,
      "message": "3 1 หาร 2 แล้วอะไรคะ ลบ"
    },
    {
      "message_id": 1747,
      "agent_id": 5,
      "delay": 0.306,
      "onscreen_delay": 0,
      "typing_delay": 0.306,
      "typing_duration": 3.806,
      "wpm": 28,
      "message": "เห็นไหม"
    },
    {
      "message_id": 1748,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.804,
      "wpm": 181,
      "message": "เราเอาค่าที่อยู๋ใน Stack ตัวสุดท้ายมาใส่ข้างหล"
    },
    {
      "message_id": 1749,
      "agent_id": 3,
      "delay": 0.166,
      "onscreen_delay": 0,
      "typing_delay": 0.166,
      "typing_duration": 3.803,
      "wpm": 39,
      "message": "ได้เลยนะคะ"
    },
    {
      "message_id": 1750,
      "agent_id": 4,
      "delay": 0.603,
      "onscreen_delay": 0,
      "typing_delay": 0.603,
      "typing_duration": 3.802,
      "wpm": 16,
      "message": "โอเค"
    },
    {
      "message_id": 1751,
      "agent_id": 5,
      "delay": 0.134,
      "onscreen_delay": 0,
      "typing_delay": 0.134,
      "typing_duration": 3.801,
      "wpm": 43,
      "message": "อีกข้อหนึ่ง"
    },
    {
      "message_id": 1752,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.8,
      "wpm": 150,
      "message": "แล้วจะให้เลิก ครูให้โจทย์มาแค่นี้เอง ว"
    },
    {
      "message_id": 1753,
      "agent_id": 3,
      "delay": 3.799,
      "onscreen_delay": 0,
      "typing_delay": 3.799,
      "typing_duration": 3.799,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1754,
      "agent_id": 4,
      "delay": 3.797,
      "onscreen_delay": 0,
      "typing_delay": 3.797,
      "typing_duration": 3.797,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1755,
      "agent_id": 5,
      "delay": 3.795,
      "onscreen_delay": 0,
      "typing_delay": 3.795,
      "typing_duration": 3.795,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1756,
      "agent_id": 2,
      "delay": 3.803,
      "onscreen_delay": 0,
      "typing_delay": 3.803,
      "typing_duration": 3.803,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1757,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.791,
      "wpm": 79,
      "message": "โจทย์ข้อนี้อันดับแรก"
    },
    {
      "message_id": 1758,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.79,
      "wpm": 103,
      "message": "วาดตารางก่อนเลย ตีตารางค่ะ"
    },
    {
      "message_id": 1759,
      "agent_id": 5,
      "delay": 3.79,
      "onscreen_delay": 0,
      "typing_delay": 3.79,
      "typing_duration": 3.79,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1760,
      "agent_id": 2,
      "delay": 3.788,
      "onscreen_delay": 0,
      "typing_delay": 3.788,
      "typing_duration": 3.788,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1761,
      "agent_id": 3,
      "delay": 3.787,
      "onscreen_delay": 0,
      "typing_delay": 3.787,
      "typing_duration": 3.787,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1762,
      "agent_id": 4,
      "delay": 3.786,
      "onscreen_delay": 0,
      "typing_delay": 3.786,
      "typing_duration": 3.786,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1763,
      "agent_id": 5,
      "delay": 3.784,
      "onscreen_delay": 0,
      "typing_delay": 3.784,
      "typing_duration": 3.784,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1764,
      "agent_id": 2,
      "delay": 3.783,
      "onscreen_delay": 0,
      "typing_delay": 3.783,
      "typing_duration": 3.783,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1765,
      "agent_id": 3,
      "delay": 3.782,
      "onscreen_delay": 0,
      "typing_delay": 3.782,
      "typing_duration": 3.782,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1766,
      "agent_id": 4,
      "delay": 3.784,
      "onscreen_delay": 0,
      "typing_delay": 3.784,
      "typing_duration": 3.784,
      "wpm": 0,
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    {
      "message_id": 1854,
      "agent_id": 4,
      "delay": 3.61,
      "onscreen_delay": 0,
      "typing_delay": 3.61,
      "typing_duration": 3.61,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1855,
      "agent_id": 5,
      "delay": 3.608,
      "onscreen_delay": 0,
      "typing_delay": 3.608,
      "typing_duration": 3.608,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1856,
      "agent_id": 2,
      "delay": 3.608,
      "onscreen_delay": 0,
      "typing_delay": 3.608,
      "typing_duration": 3.608,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1857,
      "agent_id": 3,
      "delay": 3.603,
      "onscreen_delay": 0,
      "typing_delay": 3.603,
      "typing_duration": 3.603,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1858,
      "agent_id": 4,
      "delay": 3.602,
      "onscreen_delay": 0,
      "typing_delay": 3.602,
      "typing_duration": 3.602,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1859,
      "agent_id": 5,
      "delay": 3.6,
      "onscreen_delay": 0,
      "typing_delay": 3.6,
      "typing_duration": 3.6,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1860,
      "agent_id": 2,
      "delay": 3.598,
      "onscreen_delay": 0,
      "typing_delay": 3.598,
      "typing_duration": 3.598,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1861,
      "agent_id": 3,
      "delay": 3.599,
      "onscreen_delay": 0,
      "typing_delay": 3.599,
      "typing_duration": 3.599,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1862,
      "agent_id": 4,
      "delay": 0.396,
      "onscreen_delay": 0,
      "typing_delay": 0.396,
      "typing_duration": 3.596,
      "wpm": 17,
      "message": "โอเค"
    },
    {
      "message_id": 1863,
      "agent_id": 5,
      "delay": 0.039,
      "onscreen_delay": 0,
      "typing_delay": 0.039,
      "typing_duration": 3.595,
      "wpm": 33,
      "message": "มาดูนะคะ"
    },
    {
      "message_id": 1864,
      "agent_id": 2,
      "delay": 0.165,
      "onscreen_delay": 0,
      "typing_delay": 0.165,
      "typing_duration": 3.594,
      "wpm": 25,
      "message": "นะคะ 6"
    },
    {
      "message_id": 1865,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.592,
      "wpm": 167,
      "message": "เป็นตัวเลข เอาไว้ที่ Output ใช่หรือเปล่า"
    },
    {
      "message_id": 1866,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.591,
      "wpm": 96,
      "message": "ลบ เอาไว้ที่ Stack นะคะ"
    },
    {
      "message_id": 1867,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.59,
      "wpm": 79,
      "message": "6 ก็ใส่มาเหมือนเดิม"
    },
    {
      "message_id": 1868,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.589,
      "wpm": 109,
      "message": "5 เอาไว้ที่ไหนคะ เอาไว้ที่"
    },
    {
      "message_id": 1869,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.585,
      "wpm": 117,
      "message": "Stack ก็ยกลงมาเหมือนเดิมนะคะ"
    },
    {
      "message_id": 1870,
      "agent_id": 4,
      "delay": 0.027,
      "onscreen_delay": 0,
      "typing_delay": 0.027,
      "typing_duration": 3.583,
      "wpm": 33,
      "message": "ถัดมาคูณ"
    },
    {
      "message_id": 1871,
      "agent_id": 5,
      "delay": 0.153,
      "onscreen_delay": 0,
      "typing_delay": 0.153,
      "typing_duration": 3.582,
      "wpm": 25,
      "message": "เจอคูณ"
    },
    {
      "message_id": 1872,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.583,
      "wpm": 80,
      "message": "ใช่ไหมคะ เจอคูณให้เ"
    },
    {
      "message_id": 1873,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.579,
      "wpm": 105,
      "message": "ปรากฏว่าคูณมีค่ามากกว่าลบ"
    },
    {
      "message_id": 1874,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.576,
      "wpm": 84,
      "message": "ให้ Push คูณลง Stack"
    },
    {
      "message_id": 1875,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.575,
      "wpm": 76,
      "message": "ได้เลย เพราะฉะนั้น"
    },
    {
      "message_id": 1876,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.578,
      "wpm": 80,
      "message": "Stack เดิมเป็น push"
    },
    {
      "message_id": 1877,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.571,
      "wpm": 160,
      "message": "ครูบอกว่า Push ลงมาได้เลยนะคะ เพราะคูณ"
    },
    {
      "message_id": 1878,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.569,
      "wpm": 113,
      "message": "มันมากกว่านะ มันมากกว่านะคะ"
    },
    {
      "message_id": 1879,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.568,
      "wpm": 84,
      "message": "ข้างหลัง คือ 6 กับ 5"
    },
    {
      "message_id": 1880,
      "agent_id": 2,
      "delay": 0.068,
      "onscreen_delay": 0,
      "typing_delay": 0.068,
      "typing_duration": 3.568,
      "wpm": 29,
      "message": "ถัดมา 2"
    },
    {
      "message_id": 1881,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.566,
      "wpm": 105,
      "message": "เป็นตัวเลขไว้ข้างหลังนะคะ"
    },
    {
      "message_id": 1882,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.563,
      "wpm": 84,
      "message": "Stack มีเท่าไรยกลงมา"
    },
    {
      "message_id": 1883,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.561,
      "wpm": 135,
      "message": "โอเค เสร็จแล้ว หมดแล้วนะ ผลลัพธ์"
    },
    {
      "message_id": 1884,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.56,
      "wpm": 88,
      "message": "สุดท้ายที่ได้ 6, 5, 2"
    },
    {
      "message_id": 1885,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.559,
      "wpm": 139,
      "message": "เอาคูณออกมาก่อน แล้วตามด้วยลบนะคะ"
    },
    {
      "message_id": 1886,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.558,
      "wpm": 42,
      "message": "เห็นนะโอเค"
    },
    {
      "message_id": 1887,
      "agent_id": 5,
      "delay": 3.556,
      "onscreen_delay": 0,
      "typing_delay": 3.556,
      "typing_duration": 3.556,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1888,
      "agent_id": 2,
      "delay": 0.053,
      "onscreen_delay": 0,
      "typing_delay": 0.053,
      "typing_duration": 3.554,
      "wpm": 30,
      "message": "ทุกคนดู"
    },
    {
      "message_id": 1889,
      "agent_id": 3,
      "delay": 0.352,
      "onscreen_delay": 0,
      "typing_delay": 0.352,
      "typing_duration": 3.552,
      "wpm": 17,
      "message": "นะคะ"
    },
    {
      "message_id": 1890,
      "agent_id": 4,
      "delay": 3.55,
      "onscreen_delay": 0,
      "typing_delay": 3.55,
      "typing_duration": 3.55,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1891,
      "agent_id": 5,
      "delay": 3.548,
      "onscreen_delay": 0,
      "typing_delay": 3.548,
      "typing_duration": 3.548,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1892,
      "agent_id": 2,
      "delay": 3.546,
      "onscreen_delay": 0,
      "typing_delay": 3.546,
      "typing_duration": 3.546,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1893,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.545,
      "wpm": 47,
      "message": "เราสังเกตนะ"
    },
    {
      "message_id": 1894,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.542,
      "wpm": 42,
      "message": "ทำไมตัวนี้"
    },
    {
      "message_id": 1895,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.536,
      "wpm": 199,
      "message": "เอาหารออกมา ตัวนี้ไม่ได้เอาอะไรออกมานะคะ ตัวนี้"
    },
    {
      "message_id": 1896,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.535,
      "wpm": 76,
      "message": "วิธีการสังเกต โอเค"
    },
    {
      "message_id": 1897,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.534,
      "wpm": 68,
      "message": "ลบเทียบกับหาร ลบ"
    },
    {
      "message_id": 1898,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.528,
      "wpm": 119,
      "message": "มันมีค่าน้อยกว่าหารเห็นไหมคะ"
    },
    {
      "message_id": 1899,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.527,
      "wpm": 77,
      "message": "ลบมีค่าน้อยกว่าหาร"
    },
    {
      "message_id": 1900,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.526,
      "wpm": 55,
      "message": "เลยต้องเอาหาร"
    },
    {
      "message_id": 1901,
      "agent_id": 3,
      "delay": 0.19,
      "onscreen_delay": 0,
      "typing_delay": 0.19,
      "typing_duration": 3.524,
      "wpm": 21,
      "message": "ออกมา"
    },
    {
      "message_id": 1902,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.522,
      "wpm": 51,
      "message": "แต่ถ้า Input"
    },
    {
      "message_id": 1903,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.518,
      "wpm": 141,
      "message": "ที่ใส่เข้าไปนี่ มีค่ามากกว่า เรา็"
    },
    {
      "message_id": 1904,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.515,
      "wpm": 94,
      "message": "ใส่ลงไปใน Stack ได้เลย"
    },
    {
      "message_id": 1905,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.514,
      "wpm": 132,
      "message": "ถ้าตัวซ้ายมันมากกว่าตัวบนตรงนี้"
    },
    {
      "message_id": 1906,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.512,
      "wpm": 132,
      "message": "เราก็ใส่ลงไปใน Stack ได้เลยนะคะ"
    },
    {
      "message_id": 1907,
      "agent_id": 5,
      "delay": 3.509,
      "onscreen_delay": 0,
      "typing_delay": 3.509,
      "typing_duration": 3.509,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1908,
      "agent_id": 2,
      "delay": 0.308,
      "onscreen_delay": 0,
      "typing_delay": 0.308,
      "typing_duration": 3.509,
      "wpm": 17,
      "message": "โอเค"
    },
    {
      "message_id": 1909,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.507,
      "wpm": 141,
      "message": "ต้องกลับไปทบทวนอีกรอบหนึ่งนะ นะคะ"
    },
    {
      "message_id": 1910,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.504,
      "wpm": 107,
      "message": "เดี๋ยวสัปดาห์หน้าครูจะทวน"
    },
    {
      "message_id": 1911,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.503,
      "wpm": 60,
      "message": "ให้อีกรอบหนึ่ง"
    },
    {
      "message_id": 1912,
      "agent_id": 2,
      "delay": 3.501,
      "onscreen_delay": 0,
      "typing_delay": 3.501,
      "typing_duration": 3.501,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1913,
      "agent_id": 3,
      "delay": 0.3,
      "onscreen_delay": 0,
      "typing_delay": 0.3,
      "typing_duration": 3.5,
      "wpm": 17,
      "message": "โอเค"
    },
    {
      "message_id": 1914,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.498,
      "wpm": 193,
      "message": "เดี๋ยวทั้งหมดนี้ครูจะอัปที่ Classroom ให้นะคะ"
    },
    {
      "message_id": 1915,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.494,
      "wpm": 146,
      "message": "เดี๋ยวครูจะไปสแกนให้ แล้วก็อัปโหลด"
    },
    {
      "message_id": 1916,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.493,
      "wpm": 34,
      "message": "ให้ โอเค"
    },
    {
      "message_id": 1917,
      "agent_id": 3,
      "delay": 3.49,
      "onscreen_delay": 0,
      "typing_delay": 3.49,
      "typing_duration": 3.49,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1918,
      "agent_id": 4,
      "delay": 3.49,
      "onscreen_delay": 0,
      "typing_delay": 3.49,
      "typing_duration": 3.49,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1919,
      "agent_id": 5,
      "delay": 3.486,
      "onscreen_delay": 0,
      "typing_delay": 3.486,
      "typing_duration": 3.486,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1920,
      "agent_id": 2,
      "delay": 3.486,
      "onscreen_delay": 0,
      "typing_delay": 3.486,
      "typing_duration": 3.486,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1921,
      "agent_id": 3,
      "delay": 3.484,
      "onscreen_delay": 0,
      "typing_delay": 3.484,
      "typing_duration": 3.484,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1922,
      "agent_id": 4,
      "delay": 3.482,
      "onscreen_delay": 0,
      "typing_delay": 3.482,
      "typing_duration": 3.482,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1923,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.484,
      "wpm": 112,
      "message": "เดี๋ยวครูเช็กชื่อหน่อยนะคะ"
    },
    {
      "message_id": 1924,
      "agent_id": 2,
      "delay": 3.48,
      "onscreen_delay": 0,
      "typing_delay": 3.48,
      "typing_duration": 3.48,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1925,
      "agent_id": 3,
      "delay": 3.476,
      "onscreen_delay": 0,
      "typing_delay": 3.476,
      "typing_duration": 3.476,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1926,
      "agent_id": 4,
      "delay": 3.473,
      "onscreen_delay": 0,
      "typing_delay": 3.473,
      "typing_duration": 3.473,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1927,
      "agent_id": 5,
      "delay": 3.471,
      "onscreen_delay": 0,
      "typing_delay": 3.471,
      "typing_duration": 3.471,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1928,
      "agent_id": 2,
      "delay": 3.469,
      "onscreen_delay": 0,
      "typing_delay": 3.469,
      "typing_duration": 3.469,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1929,
      "agent_id": 3,
      "delay": 3.468,
      "onscreen_delay": 0,
      "typing_delay": 3.468,
      "typing_duration": 3.468,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1930,
      "agent_id": 4,
      "delay": 3.465,
      "onscreen_delay": 0,
      "typing_delay": 3.465,
      "typing_duration": 3.465,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1931,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.46,
      "wpm": 69,
      "message": "ครูเช็กชื่อหน่อย"
    },
    {
      "message_id": 1932,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.457,
      "wpm": 43,
      "message": "ศิริลักษณ์"
    },
    {
      "message_id": 1933,
      "agent_id": 3,
      "delay": 0.787,
      "onscreen_delay": 0,
      "typing_delay": 0.787,
      "typing_duration": 3.454,
      "wpm": 9,
      "message": "02"
    },
    {
      "message_id": 1934,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.452,
      "wpm": 35,
      "message": "มาไหม 02"
    },
    {
      "message_id": 1935,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.45,
      "wpm": 39,
      "message": "คนนี้หรือ"
    },
    {
      "message_id": 1936,
      "agent_id": 2,
      "delay": 0.781,
      "onscreen_delay": 0,
      "typing_delay": 0.781,
      "typing_duration": 3.452,
      "wpm": 9,
      "message": "03"
    },
    {
      "message_id": 1937,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.447,
      "wpm": 70,
      "message": "อดิศร เป็น COVID"
    },
    {
      "message_id": 1938,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.445,
      "wpm": 30,
      "message": "4 นพกิต"
    },
    {
      "message_id": 1939,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.445,
      "wpm": 35,
      "message": "คนนี้ 5."
    },
    {
      "message_id": 1940,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.443,
      "wpm": 35,
      "message": "พงพร ไหน"
    },
    {
      "message_id": 1941,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.441,
      "wpm": 57,
      "message": "อ๋อ จันทกานต์"
    },
    {
      "message_id": 1942,
      "agent_id": 4,
      "delay": 0.106,
      "onscreen_delay": 0,
      "typing_delay": 0.106,
      "typing_duration": 3.44,
      "wpm": 22,
      "message": "ไหนคะ"
    },
    {
      "message_id": 1943,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.435,
      "wpm": 35,
      "message": "กัญญานัฐ"
    },
    {
      "message_id": 1944,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.433,
      "wpm": 48,
      "message": "ธัญญาลักษณ์"
    },
    {
      "message_id": 1945,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.431,
      "wpm": 61,
      "message": "อ๋อ โอเค วริษา"
    },
    {
      "message_id": 1946,
      "agent_id": 4,
      "delay": 0.096,
      "onscreen_delay": 0,
      "typing_delay": 0.096,
      "typing_duration": 3.43,
      "wpm": 22,
      "message": "คนนี้"
    },
    {
      "message_id": 1947,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.428,
      "wpm": 66,
      "message": "ภัทรดา 11 ไม่มา"
    },
    {
      "message_id": 1948,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.431,
      "wpm": 35,
      "message": "เทพอักษร"
    },
    {
      "message_id": 1949,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.425,
      "wpm": 61,
      "message": "ธนภัทร 15 โอเค"
    },
    {
      "message_id": 1950,
      "agent_id": 4,
      "delay": 0.223,
      "onscreen_delay": 0,
      "typing_delay": 0.223,
      "typing_duration": 3.423,
      "wpm": 18,
      "message": "ภากร"
    },
    {
      "message_id": 1951,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.422,
      "wpm": 127,
      "message": "16 โอเค ค่ะ เจอกันสัปดาห์หน้า"
    },
    {
      "message_id": 1952,
      "agent_id": 2,
      "delay": 3.42,
      "onscreen_delay": 0,
      "typing_delay": 3.42,
      "typing_duration": 3.42,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1953,
      "agent_id": 3,
      "delay": 3.417,
      "onscreen_delay": 0,
      "typing_delay": 3.417,
      "typing_duration": 3.417,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1954,
      "agent_id": 4,
      "delay": 3.417,
      "onscreen_delay": 0,
      "typing_delay": 3.417,
      "typing_duration": 3.417,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1955,
      "agent_id": 5,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1956,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1957,
      "agent_id": 3,
      "delay": 11,
      "onscreen_delay": 10.999,
      "typing_delay": 0.001,
      "typing_duration": 0.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1958,
      "agent_id": 4,
      "delay": 6.99,
      "onscreen_delay": 6.986,
      "typing_delay": 0.004,
      "typing_duration": 0.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1959,
      "agent_id": 5,
      "delay": 2.986,
      "onscreen_delay": 2.985,
      "typing_delay": 0.001,
      "typing_duration": 0.001,
      "wpm": 0,
      "message": ""
    }
  ]
}