{
  "average_delay": 11.09,
  "average_delay_with_out_empty_turn": 6.03,
  "average_onscreen_delay": 2.035,
  "average_typing_delay": 9.056,
  "average_typing_duration": 12.28,
  "average_wpm": 16,
  "average_wpm_with_out_empty_turn": 42,
  "agents": [
    {
      "agent_id": 12,
      "average_delay": 10.975,
      "average_delay_with_out_empty_turn": 5.524,
      "average_onscreen_delay": 1.77,
      "average_typing_delay": 9.205,
      "average_typing_duration": 12.212,
      "average_wpm": 17,
      "average_wpm_with_out_empty_turn": 46
    },
    {
      "agent_id": 13,
      "average_delay": 11.107,
      "average_delay_with_out_empty_turn": 5.416,
      "average_onscreen_delay": 1.752,
      "average_typing_delay": 9.356,
      "average_typing_duration": 12.565,
      "average_wpm": 19,
      "average_wpm_with_out_empty_turn": 49
    },
    {
      "agent_id": 14,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    },
    {
      "agent_id": 29,
      "average_delay": 11.781,
      "average_delay_with_out_empty_turn": 8.017,
      "average_onscreen_delay": 2.719,
      "average_typing_delay": 9.061,
      "average_typing_duration": 11.669,
      "average_wpm": 15,
      "average_wpm_with_out_empty_turn": 43
    },
    {
      "agent_id": 33,
      "average_delay": 10.498,
      "average_delay_with_out_empty_turn": 5.267,
      "average_onscreen_delay": 1.886,
      "average_typing_delay": 8.612,
      "average_typing_duration": 12.683,
      "average_wpm": 11,
      "average_wpm_with_out_empty_turn": 29
    },
    {
      "agent_id": 34,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    }
  ],
  "messages": [
    {
      "message_id": 0,
      "agent_id": 12,
      "delay": 11.19,
      "onscreen_delay": 0,
      "typing_delay": 11.19,
      "typing_duration": 11.19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 33,
      "delay": 8.723,
      "onscreen_delay": 0,
      "typing_delay": 8.723,
      "typing_duration": 8.723,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 13,
      "delay": 10.996,
      "onscreen_delay": 6.584,
      "typing_delay": 4.412,
      "typing_duration": 4.412,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 4,
      "agent_id": 12,
      "delay": 6.994,
      "onscreen_delay": 4.284,
      "typing_delay": 2.71,
      "typing_duration": 9.455,
      "wpm": 46,
      "message": "(อาจารย์สุธาสินี) คราวนี้นะคะ "
    },
    {
      "message_id": 5,
      "agent_id": 33,
      "delay": 5.451,
      "onscreen_delay": 4.689,
      "typing_delay": 0.762,
      "typing_duration": 15,
      "wpm": 44,
      "message": "ก่อนที่เราจะขึ้นเรื่องใหม่ เดี๋ยวครูจะทวนของ"
    },
    {
      "message_id": 6,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.898,
      "typing_delay": 0.101,
      "typing_duration": 7.079,
      "wpm": 53,
      "message": "นะคะ ที่เราเรียนผ่านกันมา "
    },
    {
      "message_id": 7,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 6.781,
      "typing_delay": 0.216,
      "typing_duration": 13.141,
      "wpm": 37,
      "message": "จะมี 2 เรื่องนะคะ stack กับ qeue "
    },
    {
      "message_id": 8,
      "agent_id": 12,
      "delay": 9.139,
      "onscreen_delay": 4.966,
      "typing_delay": 4.173,
      "typing_duration": 14.669,
      "wpm": 12,
      "message": "Stack กับคิว"
    },
    {
      "message_id": 9,
      "agent_id": 33,
      "delay": 10.666,
      "onscreen_delay": 9.771,
      "typing_delay": 0.895,
      "typing_duration": 12.286,
      "wpm": 34,
      "message": "นะคะ จะมีลักษณะจัดเก็บข้อมูล"
    },
    {
      "message_id": 10,
      "agent_id": 29,
      "delay": 8.284,
      "onscreen_delay": 8.164,
      "typing_delay": 0.12,
      "typing_duration": 11.06,
      "wpm": 15,
      "message": "คล้าย ๆ กัน "
    },
    {
      "message_id": 11,
      "agent_id": 13,
      "delay": 7.059,
      "onscreen_delay": 7.031,
      "typing_delay": 0.028,
      "typing_duration": 13.462,
      "wpm": 50,
      "message": "ถ้าเราเข้าใจ stack เราก็น่าจะเข้าใจ qeue นะคะ "
    },
    {
      "message_id": 12,
      "agent_id": 12,
      "delay": 9.46,
      "onscreen_delay": 8.45,
      "typing_delay": 1.01,
      "typing_duration": 5.88,
      "wpm": 66,
      "message": "มันจะมองในมุมตรงกันข้ามกัน "
    },
    {
      "message_id": 13,
      "agent_id": 33,
      "delay": 5.459,
      "onscreen_delay": 4.184,
      "typing_delay": 1.275,
      "typing_duration": 9.401,
      "wpm": 30,
      "message": "คราวนี้ ถ้าเราดูว่า"
    },
    {
      "message_id": 14,
      "agent_id": 29,
      "delay": 5.4,
      "onscreen_delay": 4.979,
      "typing_delay": 0.421,
      "typing_duration": 12.975,
      "wpm": 20,
      "message": "Stack เป็นอย่างไร "
    },
    {
      "message_id": 15,
      "agent_id": 13,
      "delay": 8.974,
      "onscreen_delay": 8.907,
      "typing_delay": 0.067,
      "typing_duration": 13.625,
      "wpm": 59,
      "message": "ตามหัวข้อที่ครูลิสต์มาให้ qeue ตามที่เราเปรียบเทียบกัน "
    },
    {
      "message_id": 16,
      "agent_id": 12,
      "delay": 9.624,
      "onscreen_delay": 9.042,
      "typing_delay": 0.582,
      "typing_duration": 9.729,
      "wpm": 76,
      "message": "มีความแตกต่างกันอยู่นะ แต่เราต้องจับประเด็นให้ได้"
    },
    {
      "message_id": 17,
      "agent_id": 33,
      "delay": 5.726,
      "onscreen_delay": 5.09,
      "typing_delay": 0.636,
      "typing_duration": 7.602,
      "wpm": 14,
      "message": "ว่าอะไร"
    },
    {
      "message_id": 18,
      "agent_id": 29,
      "delay": 3.6,
      "onscreen_delay": 3.6,
      "typing_delay": 0,
      "typing_duration": 9.152,
      "wpm": 33,
      "message": "ที่มันหัวข้อเดียวกัน"
    },
    {
      "message_id": 19,
      "agent_id": 13,
      "delay": 5.15,
      "onscreen_delay": 5.147,
      "typing_delay": 0.003,
      "typing_duration": 14.336,
      "wpm": 58,
      "message": "แล้วความต่างแต่ละตัวมันเป็นอย่างไร เราเริ่มต้นที่ stack "
    },
    {
      "message_id": 20,
      "agent_id": 12,
      "delay": 10.335,
      "onscreen_delay": 8.515,
      "typing_delay": 1.82,
      "typing_duration": 9.524,
      "wpm": 57,
      "message": "นะคะ ถ้าเราพูดถึง Stack ลักษณะของการ"
    },
    {
      "message_id": 21,
      "agent_id": 33,
      "delay": 6.333,
      "onscreen_delay": 5.601,
      "typing_delay": 0.732,
      "typing_duration": 10.771,
      "wpm": 38,
      "message": "จัดเก็บข้อมูลก็คือ เข้าก่อน"
    },
    {
      "message_id": 22,
      "agent_id": 29,
      "delay": 6.77,
      "onscreen_delay": 6.77,
      "typing_delay": 0,
      "typing_duration": 6.177,
      "wpm": 66,
      "message": "ออกทีหลัง เข้าก่อนออกทีหลัง"
    },
    {
      "message_id": 23,
      "agent_id": 13,
      "delay": 2.769,
      "onscreen_delay": 2.394,
      "typing_delay": 0.375,
      "typing_duration": 5.851,
      "wpm": 74,
      "message": "นะคะ ถ้าเราอยากจะนึกเป็นภาพนะ "
    },
    {
      "message_id": 24,
      "agent_id": 12,
      "delay": 1.849,
      "onscreen_delay": 1.146,
      "typing_delay": 0.703,
      "typing_duration": 9.407,
      "wpm": 57,
      "message": "ว่าเอ๊ะลักษณะของการเข้าก่อนออกทีหลัง"
    },
    {
      "message_id": 25,
      "agent_id": 33,
      "delay": 5.406,
      "onscreen_delay": 4.502,
      "typing_delay": 0.904,
      "typing_duration": 10.862,
      "wpm": 36,
      "message": "เป็นอย่างไร ให้ทุกคนนึกถึง"
    },
    {
      "message_id": 26,
      "agent_id": 29,
      "delay": 6.861,
      "onscreen_delay": 6.861,
      "typing_delay": 0,
      "typing_duration": 10.893,
      "wpm": 41,
      "message": "หลอดใส่ CD ข้อมูลที่อยู่ใต้น่ะ "
    },
    {
      "message_id": 27,
      "agent_id": 13,
      "delay": 6.891,
      "onscreen_delay": 6.66,
      "typing_delay": 0.231,
      "typing_duration": 14.117,
      "wpm": 52,
      "message": "อยู่อันแรกสุดเลย จะอยู่ด้านล่างใช่ไหมคะ ข้อมูลที่"
    },
    {
      "message_id": 28,
      "agent_id": 12,
      "delay": 10.116,
      "onscreen_delay": 9.601,
      "typing_delay": 0.515,
      "typing_duration": 11.178,
      "wpm": 74,
      "message": "เอาเข้าไปเก็บในหลอดซีดีอันสุดท้ายน่ะ มันจะอยู่ด้านบนสุด "
    },
    {
      "message_id": 29,
      "agent_id": 33,
      "delay": 7.177,
      "onscreen_delay": 5.966,
      "typing_delay": 1.211,
      "typing_duration": 12.513,
      "wpm": 43,
      "message": "เวลาเราดึงออกมาใช้ เราก็ดึงข้างบนน่ะ"
    },
    {
      "message_id": 30,
      "agent_id": 29,
      "delay": 8.511,
      "onscreen_delay": 8.367,
      "typing_delay": 0.144,
      "typing_duration": 6.71,
      "wpm": 40,
      "message": "ดึงออกมาใช้ทีละตัว "
    },
    {
      "message_id": 31,
      "agent_id": 13,
      "delay": 4.509,
      "onscreen_delay": 4.372,
      "typing_delay": 0.137,
      "typing_duration": 10.559,
      "wpm": 74,
      "message": "เพราะฉะนั้น ตัวที่เก็บล่าสุดจะเอาออกมาใช้งานก่อนนะคะ "
    },
    {
      "message_id": 32,
      "agent_id": 12,
      "delay": 6.558,
      "onscreen_delay": 4.266,
      "typing_delay": 2.292,
      "typing_duration": 13.692,
      "wpm": 45,
      "message": "ก็จะเข้า Concept ของ Stack คือเข้าก่อนออก"
    },
    {
      "message_id": 33,
      "agent_id": 33,
      "delay": 9.69,
      "onscreen_delay": 9.229,
      "typing_delay": 0.461,
      "typing_duration": 11.809,
      "wpm": 30,
      "message": "ทีหลัง หรือชามก๋วยเตี๋ยว"
    },
    {
      "message_id": 34,
      "agent_id": 29,
      "delay": 7.809,
      "onscreen_delay": 7.55,
      "typing_delay": 0.259,
      "typing_duration": 11.321,
      "wpm": 53,
      "message": "เหมือนกันเขาล้างเสร็จเขาก็ตั้งชั้นขึ้นมา"
    },
    {
      "message_id": 35,
      "agent_id": 13,
      "delay": 7.319,
      "onscreen_delay": 7.299,
      "typing_delay": 0.02,
      "typing_duration": 11.802,
      "wpm": 64,
      "message": "ใช่ไหม เวลาเรามาซื้อเขาก็จะหยิบออกมา หยิบออกมานะคะ "
    },
    {
      "message_id": 36,
      "agent_id": 12,
      "delay": 7.799,
      "onscreen_delay": 3.296,
      "typing_delay": 4.503,
      "typing_duration": 4.503,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 37,
      "agent_id": 33,
      "delay": 3.795,
      "onscreen_delay": 1.52,
      "typing_delay": 2.275,
      "typing_duration": 12.412,
      "wpm": 33,
      "message": "แล้วคำสั่งที่เราใช้ใน Stack"
    },
    {
      "message_id": 38,
      "agent_id": 29,
      "delay": 8.409,
      "onscreen_delay": 7.956,
      "typing_delay": 0.453,
      "typing_duration": 7.782,
      "wpm": 67,
      "message": "มีอะไรบ้าง เรามีคำสั่งอยู่แค่ 2 ตัว "
    },
    {
      "message_id": 39,
      "agent_id": 13,
      "delay": 4.408,
      "onscreen_delay": 3.51,
      "typing_delay": 0.898,
      "typing_duration": 9.911,
      "wpm": 47,
      "message": "ที่ใช่ใน stack คือ push กับ pop "
    },
    {
      "message_id": 40,
      "agent_id": 12,
      "delay": 5.91,
      "onscreen_delay": 4.447,
      "typing_delay": 1.463,
      "typing_duration": 8.902,
      "wpm": 44,
      "message": "Push คือใส่เข้าไป เรา Push "
    },
    {
      "message_id": 41,
      "agent_id": 33,
      "delay": 4.901,
      "onscreen_delay": 4.131,
      "typing_delay": 0.77,
      "typing_duration": 14.442,
      "wpm": 37,
      "message": "ใส่เข้าไปนะคะ ส่วน Pop ก็คือดึงออกมา"
    },
    {
      "message_id": 42,
      "agent_id": 29,
      "delay": 10.44,
      "onscreen_delay": 9.536,
      "typing_delay": 0.904,
      "typing_duration": 10.026,
      "wpm": 58,
      "message": "นะ เรา pop ก็คือดึงข้อมูลออกมาจาก Stack "
    },
    {
      "message_id": 43,
      "agent_id": 13,
      "delay": 6.439,
      "onscreen_delay": 6.283,
      "typing_delay": 0.156,
      "typing_duration": 7.921,
      "wpm": 51,
      "message": "นะคะ เวลาเราจัดเก็บข้อมูลใน "
    },
    {
      "message_id": 44,
      "agent_id": 12,
      "delay": 3.92,
      "onscreen_delay": 3.155,
      "typing_delay": 0.765,
      "typing_duration": 13.403,
      "wpm": 45,
      "message": "Stack ให้นึกถึง List นะคะ ให้นึกถึง List "
    },
    {
      "message_id": 45,
      "agent_id": 33,
      "delay": 9.399,
      "onscreen_delay": 7.81,
      "typing_delay": 1.589,
      "typing_duration": 15,
      "wpm": 32,
      "message": "ให้นึกถงเป็นตาราง ให้นึกถึงลักษณ"
    },
    {
      "message_id": 46,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.836,
      "typing_delay": 0.163,
      "typing_duration": 11.833,
      "wpm": 43,
      "message": "ที่เป็นลักษณะที่เป็นตารางนะคะ Push "
    },
    {
      "message_id": 47,
      "agent_id": 13,
      "delay": 7.831,
      "onscreen_delay": 7.747,
      "typing_delay": 0.084,
      "typing_duration": 13.242,
      "wpm": 65,
      "message": "ก็คือค่อย ๆ ใส่ช้อมูลเข้าไปทีละช่อง ทีละช่อง แล้วเวลา pop "
    },
    {
      "message_id": 48,
      "agent_id": 12,
      "delay": 9.24,
      "onscreen_delay": 8.235,
      "typing_delay": 1.005,
      "typing_duration": 8.133,
      "wpm": 66,
      "message": "Pop ก็คือข้อมูลไหนที่เราใส่ล่าสุดน่ะ "
    },
    {
      "message_id": 49,
      "agent_id": 33,
      "delay": 5.239,
      "onscreen_delay": 4.498,
      "typing_delay": 0.741,
      "typing_duration": 14.228,
      "wpm": 44,
      "message": "เมื่อเราสั่ง Pop มันจะถูกเอาออกมาทำงานก่อน"
    },
    {
      "message_id": 50,
      "agent_id": 29,
      "delay": 10.225,
      "onscreen_delay": 6.111,
      "typing_delay": 4.114,
      "typing_duration": 4.114,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 51,
      "agent_id": 13,
      "delay": 6.223,
      "onscreen_delay": 4.314,
      "typing_delay": 1.909,
      "typing_duration": 8.041,
      "wpm": 35,
      "message": "แล้วตัวกำกับหรือตัว"
    },
    {
      "message_id": 52,
      "agent_id": 12,
      "delay": 4.04,
      "onscreen_delay": 3.724,
      "typing_delay": 0.316,
      "typing_duration": 10.613,
      "wpm": 58,
      "message": "ชี้ว่าข้อมูลล่าสุดที่อยู่ใน Stack มันอยู่"
    },
    {
      "message_id": 53,
      "agent_id": 33,
      "delay": 6.611,
      "onscreen_delay": 5.981,
      "typing_delay": 0.63,
      "typing_duration": 13.715,
      "wpm": 30,
      "message": "ตรงไหน ใช่ไหมคะ Stack มันมี"
    },
    {
      "message_id": 54,
      "agent_id": 29,
      "delay": 9.713,
      "onscreen_delay": 9.533,
      "typing_delay": 0.18,
      "typing_duration": 10.57,
      "wpm": 50,
      "message": "ทางเข้าทางออกเพียงแค่ 1 ทางเท่านั้น "
    },
    {
      "message_id": 55,
      "agent_id": 13,
      "delay": 6.568,
      "onscreen_delay": 6.491,
      "typing_delay": 0.077,
      "typing_duration": 9.489,
      "wpm": 65,
      "message": "เพราะฉะนั้น มันจะมีม Top นะคะ ตัว Top นี่ "
    },
    {
      "message_id": 56,
      "agent_id": 12,
      "delay": 5.488,
      "onscreen_delay": 5.191,
      "typing_delay": 0.297,
      "typing_duration": 5.727,
      "wpm": 65,
      "message": "เป็นตัวบอกว่าข้อมูลล่าสุด "
    },
    {
      "message_id": 57,
      "agent_id": 33,
      "delay": 1.726,
      "onscreen_delay": 0.95,
      "typing_delay": 0.776,
      "typing_duration": 15.001,
      "wpm": 30,
      "message": "ที่อยู่ใน Stack มันอยู่ใน Inde"
    },
    {
      "message_id": 58,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.89,
      "typing_delay": 0.11,
      "typing_duration": 8.525,
      "wpm": 44,
      "message": "ที่เท่าไร เพราะฉะนั้น Top "
    },
    {
      "message_id": 59,
      "agent_id": 13,
      "delay": 6.999,
      "onscreen_delay": 6.701,
      "typing_delay": 0.298,
      "typing_duration": 12.866,
      "wpm": 62,
      "message": "จะเป็นตัวบอกตำแหน่งว่าข้อมูลล่าสุดที่อยู่ในตำแหน่งนี่ "
    },
    {
      "message_id": 60,
      "agent_id": 12,
      "delay": 8.862,
      "onscreen_delay": 8.398,
      "typing_delay": 0.464,
      "typing_duration": 10.318,
      "wpm": 51,
      "message": "มันอยู่ตำแหน่งที่ Index ที่เท่าไหร่ "
    },
    {
      "message_id": 61,
      "agent_id": 33,
      "delay": 6.316,
      "onscreen_delay": 5.249,
      "typing_delay": 1.067,
      "typing_duration": 15,
      "wpm": 32,
      "message": "ถ้าดราวาดเป็นตาราง 1 แถว หลายคอล"
    },
    {
      "message_id": 62,
      "agent_id": 29,
      "delay": 10.994,
      "onscreen_delay": 10.792,
      "typing_delay": 0.202,
      "typing_duration": 13.496,
      "wpm": 30,
      "message": "ใช่ไหมคะ Index ก็คือช่องแรก"
    },
    {
      "message_id": 63,
      "agent_id": 13,
      "delay": 9.493,
      "onscreen_delay": 9.493,
      "typing_delay": 0,
      "typing_duration": 8.191,
      "wpm": 73,
      "message": "เราจะหมายเลขช่อ คือ 0 12 3 ไล่ไปเรื่อย ๆ "
    },
    {
      "message_id": 64,
      "agent_id": 12,
      "delay": 5.492,
      "onscreen_delay": 5.078,
      "typing_delay": 0.414,
      "typing_duration": 13.367,
      "wpm": 61,
      "message": "เพราะฉะนั้น หมายเลข Index นั่นล่ะ คือตัว Top ที่บอกว่า"
    },
    {
      "message_id": 65,
      "agent_id": 33,
      "delay": 9.366,
      "onscreen_delay": 8.297,
      "typing_delay": 1.069,
      "typing_duration": 13.027,
      "wpm": 31,
      "message": "ตัวล่าสุดมันอยู่ช่องไหนนะคะ"
    },
    {
      "message_id": 66,
      "agent_id": 29,
      "delay": 9.026,
      "onscreen_delay": 4.704,
      "typing_delay": 4.322,
      "typing_duration": 4.322,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 67,
      "agent_id": 13,
      "delay": 5.024,
      "onscreen_delay": 3.884,
      "typing_delay": 1.14,
      "typing_duration": 12.066,
      "wpm": 51,
      "message": "ถ้า stack ว่าง หมายถึงอะไร เราไม่มีข้อมูล"
    },
    {
      "message_id": 68,
      "agent_id": 12,
      "delay": 8.065,
      "onscreen_delay": 7.844,
      "typing_delay": 0.221,
      "typing_duration": 8.12,
      "wpm": 67,
      "message": "อยู่ใน Stack เลย เพราะฉะนั้น ค่า Top "
    },
    {
      "message_id": 69,
      "agent_id": 33,
      "delay": 4.119,
      "onscreen_delay": 3.55,
      "typing_delay": 0.569,
      "typing_duration": 13.374,
      "wpm": 39,
      "message": "จะเป็นเท่ากับ -1 คือไม่ได้บอกเลยว่า"
    },
    {
      "message_id": 70,
      "agent_id": 29,
      "delay": 9.372,
      "onscreen_delay": 9.127,
      "typing_delay": 0.245,
      "typing_duration": 9.16,
      "wpm": 72,
      "message": "อยู่ช่องที่เท่าไรเลย แต่จะเริ่มต้นที่ 0 นะคะ "
    },
    {
      "message_id": 71,
      "agent_id": 13,
      "delay": 5.37,
      "onscreen_delay": 4.716,
      "typing_delay": 0.654,
      "typing_duration": 4.628,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 72,
      "agent_id": 12,
      "delay": 1.369,
      "onscreen_delay": 0.662,
      "typing_delay": 0.707,
      "typing_duration": 4.564,
      "wpm": 23,
      "message": "-1 นะคะ "
    },
    {
      "message_id": 73,
      "agent_id": 33,
      "delay": 5.908,
      "onscreen_delay": 0,
      "typing_delay": 5.908,
      "typing_duration": 5.908,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 74,
      "agent_id": 29,
      "delay": 11.533,
      "onscreen_delay": 0,
      "typing_delay": 11.533,
      "typing_duration": 11.533,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 75,
      "agent_id": 13,
      "delay": 7.531,
      "onscreen_delay": 5.623,
      "typing_delay": 1.908,
      "typing_duration": 12.373,
      "wpm": 56,
      "message": "แล้วมาดูอีก 1 ตัว คือ qeue แล้วอันนี้จะใกล้ตัว"
    },
    {
      "message_id": 76,
      "agent_id": 12,
      "delay": 8.37,
      "onscreen_delay": 7.84,
      "typing_delay": 0.53,
      "typing_duration": 12.917,
      "wpm": 39,
      "message": "เรามากขึ้น เหมือนกับที่เราไปต่อคิว"
    },
    {
      "message_id": 77,
      "agent_id": 33,
      "delay": 8.916,
      "onscreen_delay": 7.974,
      "typing_delay": 0.942,
      "typing_duration": 12.27,
      "wpm": 39,
      "message": "ซื้อข้าว ไปต่อคิวทำกิจกรรมต่าง ๆ"
    },
    {
      "message_id": 78,
      "agent_id": 29,
      "delay": 8.267,
      "onscreen_delay": 8.266,
      "typing_delay": 0.001,
      "typing_duration": 12.74,
      "wpm": 12,
      "message": "ต่าง ๆ que "
    },
    {
      "message_id": 79,
      "agent_id": 13,
      "delay": 8.738,
      "onscreen_delay": 8.238,
      "typing_delay": 0.5,
      "typing_duration": 14.716,
      "wpm": 55,
      "message": "เข้าก่อน ก็ต้องออกก่อน เพราะฉะนั้น qeue จะมีทางเข้าออก"
    },
    {
      "message_id": 80,
      "agent_id": 12,
      "delay": 10.715,
      "onscreen_delay": 10.064,
      "typing_delay": 0.651,
      "typing_duration": 6.131,
      "wpm": 44,
      "message": "อยู่ 2 ทางนะคะ ออก"
    },
    {
      "message_id": 81,
      "agent_id": 33,
      "delay": 6.713,
      "onscreen_delay": 5.736,
      "typing_delay": 0.977,
      "typing_duration": 10.957,
      "wpm": 29,
      "message": "ข้างหน้า เข้าข้างหลัง"
    },
    {
      "message_id": 82,
      "agent_id": 29,
      "delay": 6.954,
      "onscreen_delay": 6.395,
      "typing_delay": 0.559,
      "typing_duration": 13.884,
      "wpm": 46,
      "message": "นะคะ คิว มีทางเข้าทางออก 2 ทาง เข้าข้างหลัง"
    },
    {
      "message_id": 83,
      "agent_id": 13,
      "delay": 9.883,
      "onscreen_delay": 9.812,
      "typing_delay": 0.071,
      "typing_duration": 10.277,
      "wpm": 64,
      "message": "ออกข้างหน้าใช่ไหม คนมาก่อน ก็ต้องออกข้างหน้า "
    },
    {
      "message_id": 84,
      "agent_id": 12,
      "delay": 6.275,
      "onscreen_delay": 5.839,
      "typing_delay": 0.436,
      "typing_duration": 11.013,
      "wpm": 69,
      "message": "เวลาเข้า ก็คือเข้าข้างหลังนะคะ เหมือนเราไปต่อคิวน่ะ "
    },
    {
      "message_id": 85,
      "agent_id": 33,
      "delay": 7.009,
      "onscreen_delay": 6.41,
      "typing_delay": 0.599,
      "typing_duration": 9.941,
      "wpm": 42,
      "message": "มันมีทางเข้าทางออกกันคนละทาง"
    },
    {
      "message_id": 86,
      "agent_id": 29,
      "delay": 5.94,
      "onscreen_delay": 2.945,
      "typing_delay": 2.995,
      "typing_duration": 8.316,
      "wpm": 29,
      "message": "คำส่งที่ใช้ในคิว"
    },
    {
      "message_id": 87,
      "agent_id": 13,
      "delay": 4.315,
      "onscreen_delay": 3.812,
      "typing_delay": 0.503,
      "typing_duration": 12.925,
      "wpm": 68,
      "message": "มีอยู่ 2 ตัวเหมือนกัน เข้า กับเอาเข้ากับเอาออกเหมือนกันนะคะ "
    },
    {
      "message_id": 88,
      "agent_id": 12,
      "delay": 8.922,
      "onscreen_delay": 7.832,
      "typing_delay": 1.09,
      "typing_duration": 13.791,
      "wpm": 23,
      "message": "เราจะใช้คำสั่ง Enqeue "
    },
    {
      "message_id": 89,
      "agent_id": 33,
      "delay": 9.79,
      "onscreen_delay": 8.431,
      "typing_delay": 1.359,
      "typing_duration": 15.002,
      "wpm": 16,
      "message": "Enqeue Enter คิว"
    },
    {
      "message_id": 90,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.827,
      "typing_delay": 0.174,
      "typing_duration": 15,
      "wpm": 15,
      "message": "นะคะ ส่วน Deque "
    },
    {
      "message_id": 91,
      "agent_id": 13,
      "delay": 10.994,
      "onscreen_delay": 10.994,
      "typing_delay": 0,
      "typing_duration": 10.402,
      "wpm": 52,
      "message": "ก็คือเอาออก deqeue ก็คือเอาข้อมูลออก "
    },
    {
      "message_id": 92,
      "agent_id": 12,
      "delay": 6.994,
      "onscreen_delay": 6.057,
      "typing_delay": 0.937,
      "typing_duration": 8.809,
      "wpm": 44,
      "message": "มันก็จะตรงกับ Push กับ Pop "
    },
    {
      "message_id": 93,
      "agent_id": 33,
      "delay": 4.807,
      "onscreen_delay": 2.946,
      "typing_delay": 1.861,
      "typing_duration": 15.001,
      "wpm": 16,
      "message": "คิวก็คือ Enqueue "
    },
    {
      "message_id": 94,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.786,
      "typing_delay": 0.212,
      "typing_duration": 8.195,
      "wpm": 22,
      "message": "แล้วตัวกำกับ"
    },
    {
      "message_id": 95,
      "agent_id": 13,
      "delay": 6.995,
      "onscreen_delay": 6.449,
      "typing_delay": 0.546,
      "typing_duration": 6.986,
      "wpm": 58,
      "message": "ข้อมูลที่อยู่ใน qeue เราใช้"
    },
    {
      "message_id": 96,
      "agent_id": 12,
      "delay": 2.994,
      "onscreen_delay": 1.998,
      "typing_delay": 0.996,
      "typing_duration": 10.588,
      "wpm": 38,
      "message": "ค่าอะไรเป็นตัวกำกับคิวเราก็"
    },
    {
      "message_id": 97,
      "agent_id": 33,
      "delay": 6.587,
      "onscreen_delay": 5.581,
      "typing_delay": 1.006,
      "typing_duration": 15,
      "wpm": 32,
      "message": "มองเป็นลิสต์เหมือนกัน เป็นช่อง ๆ "
    },
    {
      "message_id": 98,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 9.988,
      "typing_delay": 1.009,
      "typing_duration": 9.85,
      "wpm": 67,
      "message": "หมายเลขช่อง เราเริ่มต้นหมายเลขช่องแรกก็คือ 0 "
    },
    {
      "message_id": 99,
      "agent_id": 13,
      "delay": 6.995,
      "onscreen_delay": 5.925,
      "typing_delay": 1.07,
      "typing_duration": 11.86,
      "wpm": 43,
      "message": "ตัวกำกับจะมี 2 ตัวนะคะ ก็คือ fromt "
    },
    {
      "message_id": 100,
      "agent_id": 12,
      "delay": 7.859,
      "onscreen_delay": 7.009,
      "typing_delay": 0.85,
      "typing_duration": 13.465,
      "wpm": 29,
      "message": "กับ rear front คือข้างหน้า "
    },
    {
      "message_id": 101,
      "agent_id": 33,
      "delay": 9.463,
      "onscreen_delay": 7.129,
      "typing_delay": 2.334,
      "typing_duration": 15.002,
      "wpm": 26,
      "message": "rear คือข้างหลัง คือ F กับ "
    },
    {
      "message_id": 102,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.447,
      "typing_delay": 0.554,
      "typing_duration": 11.084,
      "wpm": 45,
      "message": "Front จะเป็นตัวบอกข้อมูลว่าตัวไหน"
    },
    {
      "message_id": 103,
      "agent_id": 13,
      "delay": 7.083,
      "onscreen_delay": 6.891,
      "typing_delay": 0.192,
      "typing_duration": 9.258,
      "wpm": 66,
      "message": "ที่จะถูกเอาออก เพราะมันเอาออกข้างหน้านะคะ "
    },
    {
      "message_id": 104,
      "agent_id": 12,
      "delay": 5.258,
      "onscreen_delay": 4.816,
      "typing_delay": 0.442,
      "typing_duration": 9.796,
      "wpm": 57,
      "message": "จะชี้อยู่ด้านหน้า เป็นตัวบอกว่า front "
    },
    {
      "message_id": 105,
      "agent_id": 33,
      "delay": 5.794,
      "onscreen_delay": 4.372,
      "typing_delay": 1.422,
      "typing_duration": 15,
      "wpm": 38,
      "message": "กำกับอยู่ที่ช่องไหน ถ้าข้อมูงนั้นจะถูก"
    },
    {
      "message_id": 106,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 7.004,
      "typing_delay": 3.994,
      "typing_duration": 8.455,
      "wpm": 11,
      "message": "เอาออก "
    },
    {
      "message_id": 107,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 6.584,
      "typing_delay": 0.413,
      "typing_duration": 9.056,
      "wpm": 63,
      "message": "ส่วน rear จะเป็นตัวกำกับอยู่ที่ทางเข้า"
    },
    {
      "message_id": 108,
      "agent_id": 12,
      "delay": 5.055,
      "onscreen_delay": 4.726,
      "typing_delay": 0.329,
      "typing_duration": 9.39,
      "wpm": 50,
      "message": "นะคะ rear จะบอกตำแหน่งล่าสุดของ"
    },
    {
      "message_id": 109,
      "agent_id": 33,
      "delay": 5.389,
      "onscreen_delay": 4.526,
      "typing_delay": 0.863,
      "typing_duration": 13.908,
      "wpm": 35,
      "message": "ข้อมูลว่า ข้อมูลตัวที่เข้าล่าสุด"
    },
    {
      "message_id": 110,
      "agent_id": 29,
      "delay": 9.907,
      "onscreen_delay": 9.907,
      "typing_delay": 0,
      "typing_duration": 8.219,
      "wpm": 47,
      "message": "ใน queue อยู่ที่ตำแหน่งไหน "
    },
    {
      "message_id": 111,
      "agent_id": 13,
      "delay": 5.905,
      "onscreen_delay": 5.886,
      "typing_delay": 0.019,
      "typing_duration": 9.876,
      "wpm": 67,
      "message": "ก็ระบุค่า index ก็คือหมายเลขช่องที่ค่าข้อมูล"
    },
    {
      "message_id": 112,
      "agent_id": 12,
      "delay": 5.875,
      "onscreen_delay": 5.483,
      "typing_delay": 0.392,
      "typing_duration": 10.731,
      "wpm": 11,
      "message": "นั้นอยู่ "
    },
    {
      "message_id": 113,
      "agent_id": 33,
      "delay": 6.729,
      "onscreen_delay": 4.659,
      "typing_delay": 2.07,
      "typing_duration": 12.606,
      "wpm": 31,
      "message": "คิวว่าง คิวว่าง แสดงว่ามัน"
    },
    {
      "message_id": 114,
      "agent_id": 29,
      "delay": 8.605,
      "onscreen_delay": 8.605,
      "typing_delay": 0,
      "typing_duration": 8.312,
      "wpm": 90,
      "message": "ว่างนะ queue ว่าง ก็คือไม่มีข้อมูลอยู่ใน queue เลย "
    },
    {
      "message_id": 115,
      "agent_id": 13,
      "delay": 4.603,
      "onscreen_delay": 3.444,
      "typing_delay": 1.159,
      "typing_duration": 15,
      "wpm": 49,
      "message": "front กับ rear จะมีค่าเป็น -1 นะคะ front กับ พำหพ"
    },
    {
      "message_id": 116,
      "agent_id": 12,
      "delay": 10.998,
      "onscreen_delay": 9.915,
      "typing_delay": 1.083,
      "typing_duration": 7.055,
      "wpm": 15,
      "message": "เป็น -1 "
    },
    {
      "message_id": 117,
      "agent_id": 33,
      "delay": 6.997,
      "onscreen_delay": 5.789,
      "typing_delay": 1.208,
      "typing_duration": 11.535,
      "wpm": 31,
      "message": "โอเค อันนี้ครูทบทวนให้นะ "
    },
    {
      "message_id": 118,
      "agent_id": 29,
      "delay": 7.534,
      "onscreen_delay": 7.495,
      "typing_delay": 0.039,
      "typing_duration": 8.607,
      "wpm": 70,
      "message": "สรุปมาให้ว่า Stack กับ queue เป็นอย่างไร "
    },
    {
      "message_id": 119,
      "agent_id": 13,
      "delay": 4.604,
      "onscreen_delay": 4.53,
      "typing_delay": 0.074,
      "typing_duration": 12.624,
      "wpm": 53,
      "message": "คราวนี้ก่อนที่จะขึ้นเรื่องใหม่ ครูมีแบบฝึกหัด "
    },
    {
      "message_id": 120,
      "agent_id": 12,
      "delay": 8.623,
      "onscreen_delay": 7.662,
      "typing_delay": 0.961,
      "typing_duration": 6.46,
      "wpm": 72,
      "message": "ลองทำดูว่าเข้าใจหรือเปล่า ครูจะ"
    },
    {
      "message_id": 121,
      "agent_id": 33,
      "delay": 4.621,
      "onscreen_delay": 4.041,
      "typing_delay": 0.58,
      "typing_duration": 8.968,
      "wpm": 40,
      "message": "ค้างหน้านี้เอาไว้ให้นะคะ"
    },
    {
      "message_id": 122,
      "agent_id": 29,
      "delay": 6.876,
      "onscreen_delay": 0,
      "typing_delay": 6.876,
      "typing_duration": 6.876,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 123,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 124,
      "agent_id": 12,
      "delay": 10.997,
      "onscreen_delay": 8.279,
      "typing_delay": 2.718,
      "typing_duration": 5.349,
      "wpm": 39,
      "message": "แจกคนละชุดนะคะ "
    },
    {
      "message_id": 125,
      "agent_id": 33,
      "delay": 6.995,
      "onscreen_delay": 5.287,
      "typing_delay": 1.708,
      "typing_duration": 5.841,
      "wpm": 10,
      "message": "นะคะ"
    },
    {
      "message_id": 126,
      "agent_id": 29,
      "delay": 4.019,
      "onscreen_delay": 0,
      "typing_delay": 4.019,
      "typing_duration": 4.019,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 127,
      "agent_id": 13,
      "delay": 3.821,
      "onscreen_delay": 0,
      "typing_delay": 3.821,
      "typing_duration": 8.026,
      "wpm": 19,
      "message": "หรือสามารถ"
    },
    {
      "message_id": 128,
      "agent_id": 12,
      "delay": 4.021,
      "onscreen_delay": 2.593,
      "typing_delay": 1.428,
      "typing_duration": 6.418,
      "wpm": 75,
      "message": "เปิดในสมุดได้นะคะ คราวที่แล้วน่ะ "
    },
    {
      "message_id": 129,
      "agent_id": 33,
      "delay": 2.417,
      "onscreen_delay": 1.982,
      "typing_delay": 0.435,
      "typing_duration": 13.896,
      "wpm": 35,
      "message": "ที่เราทำไปนะในเรื่องของ Queue นะ "
    },
    {
      "message_id": 130,
      "agent_id": 29,
      "delay": 9.894,
      "onscreen_delay": 9.844,
      "typing_delay": 0.05,
      "typing_duration": 5.088,
      "wpm": 68,
      "message": "เราก็ไปทบทวน ไปทบทวนได้ "
    },
    {
      "message_id": 131,
      "agent_id": 13,
      "delay": 5.892,
      "onscreen_delay": 3.129,
      "typing_delay": 2.763,
      "typing_duration": 7.48,
      "wpm": 52,
      "message": "ก่อนจะขึ้นเรื่องใหม่ ลองดู"
    },
    {
      "message_id": 132,
      "agent_id": 12,
      "delay": 3.479,
      "onscreen_delay": 2.174,
      "typing_delay": 1.305,
      "typing_duration": 12.124,
      "wpm": 38,
      "message": "นะคะ ว่าเรายังจำได้ไหมนี่ front "
    },
    {
      "message_id": 133,
      "agent_id": 33,
      "delay": 8.122,
      "onscreen_delay": 4.197,
      "typing_delay": 3.925,
      "typing_duration": 12.477,
      "wpm": 18,
      "message": "Stack กับ Queue"
    },
    {
      "message_id": 134,
      "agent_id": 29,
      "delay": 8.476,
      "onscreen_delay": 6.854,
      "typing_delay": 1.622,
      "typing_duration": 8.842,
      "wpm": 49,
      "message": "ดูนะคะ ครูมีอยู่ทั้งหมด 5 ข้อ"
    },
    {
      "message_id": 135,
      "agent_id": 13,
      "delay": 4.841,
      "onscreen_delay": 4.475,
      "typing_delay": 0.366,
      "typing_duration": 7.539,
      "wpm": 64,
      "message": "ด้วยกัน ทำลงในกระดาษที่ครูแจกเลย "
    },
    {
      "message_id": 136,
      "agent_id": 12,
      "delay": 3.537,
      "onscreen_delay": 2.237,
      "typing_delay": 1.3,
      "typing_duration": 5.368,
      "wpm": 59,
      "message": "เขียนลงไปในนี้เลยนะคะ "
    },
    {
      "message_id": 137,
      "agent_id": 33,
      "delay": 3.534,
      "onscreen_delay": 0,
      "typing_delay": 3.534,
      "typing_duration": 6.924,
      "wpm": 11,
      "message": "ข้อ 1 "
    },
    {
      "message_id": 138,
      "agent_id": 29,
      "delay": 2.923,
      "onscreen_delay": 2.901,
      "typing_delay": 0.022,
      "typing_duration": 8.636,
      "wpm": 14,
      "message": "กับข้อ 2 "
    },
    {
      "message_id": 139,
      "agent_id": 13,
      "delay": 4.635,
      "onscreen_delay": 4.484,
      "typing_delay": 0.151,
      "typing_duration": 11.23,
      "wpm": 65,
      "message": "ให้เขียนอธิบายนะคะ ว่าลักษณะของ Stack เป็นอย่างไร "
    },
    {
      "message_id": 140,
      "agent_id": 12,
      "delay": 7.228,
      "onscreen_delay": 6.842,
      "typing_delay": 0.386,
      "typing_duration": 10.681,
      "wpm": 38,
      "message": "ลักษณะของ Queue เป็นอย่างไร "
    },
    {
      "message_id": 141,
      "agent_id": 33,
      "delay": 6.679,
      "onscreen_delay": 5.304,
      "typing_delay": 1.375,
      "typing_duration": 13.022,
      "wpm": 15,
      "message": "คำสั่ง Push 5 "
    },
    {
      "message_id": 142,
      "agent_id": 29,
      "delay": 9.02,
      "onscreen_delay": 8.975,
      "typing_delay": 0.045,
      "typing_duration": 12.469,
      "wpm": 59,
      "message": "หมายถึงอะไร ครูระบุไว้ให้แล้วนี่ Push หมายถึงอะไร "
    },
    {
      "message_id": 143,
      "agent_id": 13,
      "delay": 8.468,
      "onscreen_delay": 6.748,
      "typing_delay": 1.72,
      "typing_duration": 12.47,
      "wpm": 53,
      "message": "เรา Push ข้อมูลอะไรลงไป ก็เขียนอธิบาย คำสั่ง"
    },
    {
      "message_id": 144,
      "agent_id": 12,
      "delay": 8.468,
      "onscreen_delay": 7.671,
      "typing_delay": 0.797,
      "typing_duration": 5.45,
      "wpm": 74,
      "message": "นี้ทำอะไร คำสั่ง Pop ทำอะไร "
    },
    {
      "message_id": 145,
      "agent_id": 33,
      "delay": 4.466,
      "onscreen_delay": 0.203,
      "typing_delay": 4.263,
      "typing_duration": 4.263,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 146,
      "agent_id": 29,
      "delay": 6.053,
      "onscreen_delay": 0,
      "typing_delay": 6.053,
      "typing_duration": 7.117,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 147,
      "agent_id": 13,
      "delay": 3.115,
      "onscreen_delay": 1.208,
      "typing_delay": 1.907,
      "typing_duration": 11.271,
      "wpm": 40,
      "message": "ถัดมา ก็จะมากำหนดค่า Top ครูมี "
    },
    {
      "message_id": 148,
      "agent_id": 12,
      "delay": 7.268,
      "onscreen_delay": 5.515,
      "typing_delay": 1.753,
      "typing_duration": 8.592,
      "wpm": 61,
      "message": "Stack ให้แล้วเมื่อเราใช้คำสั่ง Push "
    },
    {
      "message_id": 149,
      "agent_id": 33,
      "delay": 4.591,
      "onscreen_delay": 3.968,
      "typing_delay": 0.623,
      "typing_duration": 12.893,
      "wpm": 36,
      "message": "แล้วนี่ ค่า Top จะมีค่าเป็นอะไร"
    },
    {
      "message_id": 150,
      "agent_id": 29,
      "delay": 8.891,
      "onscreen_delay": 8.363,
      "typing_delay": 0.528,
      "typing_duration": 7.358,
      "wpm": 41,
      "message": "หลังจากใช้คำสั่ง Pop "
    },
    {
      "message_id": 151,
      "agent_id": 13,
      "delay": 4.889,
      "onscreen_delay": 4.505,
      "typing_delay": 0.384,
      "typing_duration": 7.39,
      "wpm": 59,
      "message": "แล้วค่า Top จะเป็นอย่างไรนะคะ "
    },
    {
      "message_id": 152,
      "agent_id": 12,
      "delay": 3.389,
      "onscreen_delay": 2.113,
      "typing_delay": 1.276,
      "typing_duration": 5.303,
      "wpm": 48,
      "message": "Queue ก็เหมือนกัน "
    },
    {
      "message_id": 153,
      "agent_id": 33,
      "delay": 4.928,
      "onscreen_delay": 0,
      "typing_delay": 4.928,
      "typing_duration": 4.928,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 154,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 155,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 156,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 157,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 3.672,
      "typing_delay": 7.326,
      "typing_duration": 7.326,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 158,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 159,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 160,
      "agent_id": 12,
      "delay": 13.446,
      "onscreen_delay": 0,
      "typing_delay": 13.446,
      "typing_duration": 13.446,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 161,
      "agent_id": 33,
      "delay": 9.444,
      "onscreen_delay": 0.675,
      "typing_delay": 8.769,
      "typing_duration": 8.769,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 162,
      "agent_id": 29,
      "delay": 7.899,
      "onscreen_delay": 0,
      "typing_delay": 7.899,
      "typing_duration": 7.899,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 163,
      "agent_id": 13,
      "delay": 3.897,
      "onscreen_delay": 0.516,
      "typing_delay": 3.381,
      "typing_duration": 11.532,
      "wpm": 51,
      "message": "เริ่มต้น เขียนชื่อลงในกระดาษแผ่นแรกนะคะ "
    },
    {
      "message_id": 164,
      "agent_id": 12,
      "delay": 7.53,
      "onscreen_delay": 3.211,
      "typing_delay": 4.319,
      "typing_duration": 4.319,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 165,
      "agent_id": 33,
      "delay": 4.193,
      "onscreen_delay": 0,
      "typing_delay": 4.193,
      "typing_duration": 4.193,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 166,
      "agent_id": 29,
      "delay": 4.189,
      "onscreen_delay": 0,
      "typing_delay": 4.189,
      "typing_duration": 4.189,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 167,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 168,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 169,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 5.734,
      "typing_delay": 5.264,
      "typing_duration": 5.264,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 170,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 171,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 172,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 173,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 4.81,
      "typing_delay": 6.191,
      "typing_duration": 6.191,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 174,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 175,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 176,
      "agent_id": 12,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 177,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 178,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 179,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 180,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 181,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 3.57,
      "typing_delay": 7.431,
      "typing_duration": 7.431,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 182,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 183,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 184,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 185,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 6.727,
      "typing_delay": 4.271,
      "typing_duration": 4.271,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 186,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 187,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 188,
      "agent_id": 12,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 189,
      "agent_id": 33,
      "delay": 11.003,
      "onscreen_delay": 6.518,
      "typing_delay": 4.485,
      "typing_duration": 4.485,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 190,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 191,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 192,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 193,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 194,
      "agent_id": 29,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 195,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 196,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 197,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 198,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 199,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 200,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 201,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 202,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 203,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 204,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 205,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 206,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
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      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 568,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 569,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 570,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 571,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 572,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 573,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 574,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 575,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 576,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 577,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 578,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 579,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 580,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 581,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 582,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 583,
      "agent_id": 13,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 584,
      "agent_id": 12,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 585,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 586,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 587,
      "agent_id": 12,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 588,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 589,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 590,
      "agent_id": 12,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 591,
      "agent_id": 33,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 592,
      "agent_id": 29,
      "delay": 8.03,
      "onscreen_delay": 0,
      "typing_delay": 8.03,
      "typing_duration": 8.03,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 593,
      "agent_id": 12,
      "delay": 4.027,
      "onscreen_delay": 0.125,
      "typing_delay": 3.902,
      "typing_duration": 10.516,
      "wpm": 41,
      "message": "(อาจารย์สุธาสินี) คราวนี้มาดู"
    },
    {
      "message_id": 594,
      "agent_id": 33,
      "delay": 6.514,
      "onscreen_delay": 4.651,
      "typing_delay": 1.863,
      "typing_duration": 6.591,
      "wpm": 16,
      "message": "เห็น..."
    },
    {
      "message_id": 595,
      "agent_id": 29,
      "delay": 4.024,
      "onscreen_delay": 0,
      "typing_delay": 4.024,
      "typing_duration": 4.024,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 596,
      "agent_id": 12,
      "delay": 0.351,
      "onscreen_delay": 0,
      "typing_delay": 0.351,
      "typing_duration": 6.98,
      "wpm": 49,
      "message": "มาดูพร้อมกันนะคะ ตัวนี้"
    },
    {
      "message_id": 597,
      "agent_id": 33,
      "delay": 2.978,
      "onscreen_delay": 2.197,
      "typing_delay": 0.781,
      "typing_duration": 11.001,
      "wpm": 29,
      "message": "คือ Stack นะ F0mpM8i^"
    },
    {
      "message_id": 598,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 6.38,
      "typing_delay": 0.619,
      "typing_duration": 5.693,
      "wpm": 26,
      "message": "นะคะ Stack "
    },
    {
      "message_id": 599,
      "agent_id": 12,
      "delay": 2.996,
      "onscreen_delay": 2.192,
      "typing_delay": 0.804,
      "typing_duration": 8.999,
      "wpm": 25,
      "message": "คือเข้าข้างหลัง "
    },
    {
      "message_id": 600,
      "agent_id": 33,
      "delay": 4.994,
      "onscreen_delay": 3.578,
      "typing_delay": 1.416,
      "typing_duration": 11.002,
      "wpm": 38,
      "message": "ออกข้างหลังใช่ไหมคะ Stack นะ"
    },
    {
      "message_id": 601,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 6.347,
      "typing_delay": 0.653,
      "typing_duration": 7.321,
      "wpm": 25,
      "message": "เข้าข้างหลัง "
    },
    {
      "message_id": 602,
      "agent_id": 12,
      "delay": 3.318,
      "onscreen_delay": 1.148,
      "typing_delay": 2.17,
      "typing_duration": 6.862,
      "wpm": 24,
      "message": "ออกข้างหลัง "
    },
    {
      "message_id": 603,
      "agent_id": 33,
      "delay": 2.861,
      "onscreen_delay": 0.561,
      "typing_delay": 2.3,
      "typing_duration": 10.731,
      "wpm": 25,
      "message": "ก็คือทางเข้าทางออก"
    },
    {
      "message_id": 604,
      "agent_id": 29,
      "delay": 6.73,
      "onscreen_delay": 6.629,
      "typing_delay": 0.101,
      "typing_duration": 3.956,
      "wpm": 61,
      "message": "อยู่ด้านหลังนะคะ "
    },
    {
      "message_id": 605,
      "agent_id": 12,
      "delay": 2.728,
      "onscreen_delay": 1.779,
      "typing_delay": 0.949,
      "typing_duration": 11.001,
      "wpm": 44,
      "message": "คำสั่งตัวแรกดู ครูสั่งอะไรคะ Pus"
    },
    {
      "message_id": 606,
      "agent_id": 33,
      "delay": 6.999,
      "onscreen_delay": 4.738,
      "typing_delay": 2.261,
      "typing_duration": 11.001,
      "wpm": 25,
      "message": "Push คือใส่ ครู Pu"
    },
    {
      "message_id": 607,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.997,
      "typing_delay": 0,
      "typing_duration": 9.404,
      "wpm": 49,
      "message": "อะไรคะ ครู Push เลข 3 คำสั่งคือ"
    },
    {
      "message_id": 608,
      "agent_id": 12,
      "delay": 5.403,
      "onscreen_delay": 4.851,
      "typing_delay": 0.552,
      "typing_duration": 7.446,
      "wpm": 20,
      "message": "ใส่ ข้อมูล"
    },
    {
      "message_id": 609,
      "agent_id": 33,
      "delay": 3.446,
      "onscreen_delay": 2.361,
      "typing_delay": 1.085,
      "typing_duration": 10.579,
      "wpm": 34,
      "message": "เลข 3 เพราะฉะนั้น ครุใส่"
    },
    {
      "message_id": 610,
      "agent_id": 29,
      "delay": 6.578,
      "onscreen_delay": 6.15,
      "typing_delay": 0.428,
      "typing_duration": 7.658,
      "wpm": 67,
      "message": "ตรงไหน ใส่ข้างหลังเห็นไหมคะ ครูใส่"
    },
    {
      "message_id": 611,
      "agent_id": 12,
      "delay": 3.656,
      "onscreen_delay": 2.667,
      "typing_delay": 0.989,
      "typing_duration": 4.9,
      "wpm": 15,
      "message": "เลข 3 "
    },
    {
      "message_id": 612,
      "agent_id": 33,
      "delay": 1.659,
      "onscreen_delay": 0,
      "typing_delay": 1.659,
      "typing_duration": 11.001,
      "wpm": 35,
      "message": "เห็นไหมคะ ครูใส่เลข 3 ลงมา"
    },
    {
      "message_id": 613,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 6.747,
      "typing_delay": 0.253,
      "typing_duration": 8.142,
      "wpm": 77,
      "message": "ลงมา มันมีที่ว่างตรงไหนคะ ครูหาทีว่างใส่นะ "
    },
    {
      "message_id": 614,
      "agent_id": 12,
      "delay": 4.14,
      "onscreen_delay": 3.242,
      "typing_delay": 0.898,
      "typing_duration": 7.228,
      "wpm": 81,
      "message": "นี่ครูเจอช่องนี้ว่างพอดีเลย เพราะฉะนั้น "
    },
    {
      "message_id": 615,
      "agent_id": 33,
      "delay": 3.226,
      "onscreen_delay": 2.282,
      "typing_delay": 0.944,
      "typing_duration": 11.001,
      "wpm": 34,
      "message": "เลข 3 ครูก็อยู่ที่ช่องนี้"
    },
    {
      "message_id": 616,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 7,
      "typing_delay": 0,
      "typing_duration": 10.201,
      "wpm": 79,
      "message": "นะคะ เลข 3 นี่ครูมาอยู่ที่ช่องสุดท้าย มันมีช่องใส่อยู่"
    },
    {
      "message_id": 617,
      "agent_id": 12,
      "delay": 6.2,
      "onscreen_delay": 4.819,
      "typing_delay": 1.381,
      "typing_duration": 7.465,
      "wpm": 70,
      "message": "ช่องเดียวน่ะ ข้างหน้ามันเต็มหมดแล้ว "
    },
    {
      "message_id": 618,
      "agent_id": 33,
      "delay": 3.464,
      "onscreen_delay": 2.636,
      "typing_delay": 0.828,
      "typing_duration": 10.116,
      "wpm": 33,
      "message": "แล้วค่า Top จะเป็นอะไร"
    },
    {
      "message_id": 619,
      "agent_id": 29,
      "delay": 6.115,
      "onscreen_delay": 6.108,
      "typing_delay": 0.007,
      "typing_duration": 9.038,
      "wpm": 76,
      "message": "ค่า Top เป็นอะไร เราก็ต้องดูสิว่าค่าเลขช่องนี้"
    },
    {
      "message_id": 620,
      "agent_id": 12,
      "delay": 5.037,
      "onscreen_delay": 4.516,
      "typing_delay": 0.521,
      "typing_duration": 10.761,
      "wpm": 52,
      "message": "มันอยู่ช่องหมายเลขอะไร เราก็ต้องเริ่ม"
    },
    {
      "message_id": 621,
      "agent_id": 33,
      "delay": 6.76,
      "onscreen_delay": 6.134,
      "typing_delay": 0.626,
      "typing_duration": 11,
      "wpm": 37,
      "message": "เขียนจากช่องปรก็คือ หมายเลข"
    },
    {
      "message_id": 622,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.691,
      "typing_delay": 0.307,
      "typing_duration": 6.793,
      "wpm": 62,
      "message": "หมายเลข 3 หมายเลข 4 ถูกไหมคะ "
    },
    {
      "message_id": 623,
      "agent_id": 12,
      "delay": 2.997,
      "onscreen_delay": 2.469,
      "typing_delay": 0.528,
      "typing_duration": 8.16,
      "wpm": 57,
      "message": "เพราะฉะนั้นแล้วนี่ ข้อมูลของครู"
    },
    {
      "message_id": 624,
      "agent_id": 33,
      "delay": 4.159,
      "onscreen_delay": 3.449,
      "typing_delay": 0.71,
      "typing_duration": 11.001,
      "wpm": 48,
      "message": "อยู่ช่แงหมายเลขอะไร หมายเลข 4 เพราะ"
    },
    {
      "message_id": 625,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 6.744,
      "typing_delay": 0.256,
      "typing_duration": 9.479,
      "wpm": 36,
      "message": "ค่า Top จึงมีค่าเท่ากับ "
    },
    {
      "message_id": 626,
      "agent_id": 12,
      "delay": 5.478,
      "onscreen_delay": 4.323,
      "typing_delay": 1.155,
      "typing_duration": 6.453,
      "wpm": 53,
      "message": "4 เห็นไหมคะ มันตรงกันนะ "
    },
    {
      "message_id": 627,
      "agent_id": 33,
      "delay": 2.452,
      "onscreen_delay": 2.452,
      "typing_delay": 0,
      "typing_duration": 11,
      "wpm": 34,
      "message": "ข้อมูลครุอยู่ตรงนี้ ครูมั"
    },
    {
      "message_id": 628,
      "agent_id": 29,
      "delay": 6.998,
      "onscreen_delay": 6.715,
      "typing_delay": 0.283,
      "typing_duration": 6.411,
      "wpm": 70,
      "message": "คือ 4 Top ครูเลยมีค่าเท่ากับ 4 "
    },
    {
      "message_id": 629,
      "agent_id": 12,
      "delay": 4.097,
      "onscreen_delay": 0,
      "typing_delay": 4.097,
      "typing_duration": 6.854,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 630,
      "agent_id": 33,
      "delay": 2.853,
      "onscreen_delay": 2.144,
      "typing_delay": 0.709,
      "typing_duration": 11.001,
      "wpm": 41,
      "message": "คำสั่ง Push นะคะ เดี๋ยวเรามาดู"
    },
    {
      "message_id": 631,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.997,
      "typing_delay": 0,
      "typing_duration": 4.028,
      "wpm": 34,
      "message": "อีก 1 ตัว "
    },
    {
      "message_id": 632,
      "agent_id": 12,
      "delay": 3.487,
      "onscreen_delay": 0,
      "typing_delay": 3.487,
      "typing_duration": 7.817,
      "wpm": 21,
      "message": "ดูสิคะ Push "
    },
    {
      "message_id": 633,
      "agent_id": 33,
      "delay": 3.81,
      "onscreen_delay": 3.153,
      "typing_delay": 0.657,
      "typing_duration": 11.001,
      "wpm": 37,
      "message": "เหมือนกัน เห็นไหมคะ เจอ Pus"
    },
    {
      "message_id": 634,
      "agent_id": 29,
      "delay": 7,
      "onscreen_delay": 6.97,
      "typing_delay": 0.03,
      "typing_duration": 7.468,
      "wpm": 32,
      "message": "แสดงว่าใส่ข้อมูล"
    },
    {
      "message_id": 635,
      "agent_id": 12,
      "delay": 3.467,
      "onscreen_delay": 3.035,
      "typing_delay": 0.432,
      "typing_duration": 12.84,
      "wpm": 46,
      "message": "ใช่ไหม Push คือใส่ข้อมูล ใส่ข้างไหน คือ "
    },
    {
      "message_id": 636,
      "agent_id": 33,
      "delay": 8.839,
      "onscreen_delay": 8.198,
      "typing_delay": 0.641,
      "typing_duration": 10.424,
      "wpm": 42,
      "message": "ใส่ข้างหลัง แล้วก็ใส่ลงมานะคะ "
    },
    {
      "message_id": 637,
      "agent_id": 13,
      "delay": 6.422,
      "onscreen_delay": 6.254,
      "typing_delay": 0.168,
      "typing_duration": 4.869,
      "wpm": 52,
      "message": "คือ ใส่หมายเลข 10 "
    },
    {
      "message_id": 638,
      "agent_id": 29,
      "delay": 2.42,
      "onscreen_delay": 2.229,
      "typing_delay": 0.191,
      "typing_duration": 9.63,
      "wpm": 61,
      "message": "พอครูใส่หมายเลข 10 เห็นไหม มันมีที่ว่าง"
    },
    {
      "message_id": 639,
      "agent_id": 13,
      "delay": 5.629,
      "onscreen_delay": 4.179,
      "typing_delay": 1.45,
      "typing_duration": 15,
      "wpm": 25,
      "message": "มันค่อย ๆ ไหลลงมา ไหลลงมา "
    },
    {
      "message_id": 640,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 9.748,
      "typing_delay": 1.251,
      "typing_duration": 6.451,
      "wpm": 51,
      "message": "นะคะ ก็เลยมาใส่ที่ช่อง"
    },
    {
      "message_id": 641,
      "agent_id": 33,
      "delay": 6.995,
      "onscreen_delay": 5.814,
      "typing_delay": 1.181,
      "typing_duration": 11.643,
      "wpm": 32,
      "message": "หลังเลข 3 แล้วหมายเลขช่อง"
    },
    {
      "message_id": 642,
      "agent_id": 29,
      "delay": 7.635,
      "onscreen_delay": 7.537,
      "typing_delay": 0.098,
      "typing_duration": 7.367,
      "wpm": 65,
      "message": "คืออะไร เราก็เขียนเหมือนเดิม 0 1 "
    },
    {
      "message_id": 643,
      "agent_id": 13,
      "delay": 3.632,
      "onscreen_delay": 2.915,
      "typing_delay": 0.717,
      "typing_duration": 6.606,
      "wpm": 39,
      "message": "2 เพราะฉะนั้น ค่า "
    },
    {
      "message_id": 644,
      "agent_id": 12,
      "delay": 2.605,
      "onscreen_delay": 1.475,
      "typing_delay": 1.13,
      "typing_duration": 6.69,
      "wpm": 47,
      "message": "Top เลยมีค่าเท่ากับ 2 "
    },
    {
      "message_id": 645,
      "agent_id": 33,
      "delay": 2.69,
      "onscreen_delay": 1.73,
      "typing_delay": 0.96,
      "typing_duration": 14.287,
      "wpm": 46,
      "message": "เห็นไหมคะ เพราะข้อมูลของเรานี่ อยุ่หมายเลข 2"
    },
    {
      "message_id": 646,
      "agent_id": 29,
      "delay": 10.284,
      "onscreen_delay": 6.244,
      "typing_delay": 4.04,
      "typing_duration": 4.04,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 647,
      "agent_id": 13,
      "delay": 6.283,
      "onscreen_delay": 4.358,
      "typing_delay": 1.925,
      "typing_duration": 5.794,
      "wpm": 44,
      "message": "โอเค ถัดมา เราเจอ"
    },
    {
      "message_id": 648,
      "agent_id": 12,
      "delay": 2.281,
      "onscreen_delay": 1.487,
      "typing_delay": 0.794,
      "typing_duration": 8.417,
      "wpm": 45,
      "message": "คำสั่งใหม่แล้ว คำสั่ง Pop "
    },
    {
      "message_id": 649,
      "agent_id": 33,
      "delay": 4.415,
      "onscreen_delay": 2.672,
      "typing_delay": 1.743,
      "typing_duration": 10.599,
      "wpm": 30,
      "message": "Pop คือเอาข้างหลังออก"
    },
    {
      "message_id": 650,
      "agent_id": 29,
      "delay": 6.593,
      "onscreen_delay": 5.947,
      "typing_delay": 0.646,
      "typing_duration": 9.46,
      "wpm": 5,
      "message": "ออก "
    },
    {
      "message_id": 651,
      "agent_id": 13,
      "delay": 5.459,
      "onscreen_delay": 5.192,
      "typing_delay": 0.267,
      "typing_duration": 11.078,
      "wpm": 64,
      "message": "เอาข้อมูลที่อยู่ข้างหลังออก คือ pop เพราะฉะนั้น "
    },
    {
      "message_id": 652,
      "agent_id": 12,
      "delay": 7.077,
      "onscreen_delay": 6.4,
      "typing_delay": 0.677,
      "typing_duration": 7.837,
      "wpm": 46,
      "message": "ข้อมูลที่อยู่ข้างหลังคือ"
    },
    {
      "message_id": 653,
      "agent_id": 33,
      "delay": 3.835,
      "onscreen_delay": 3.136,
      "typing_delay": 0.699,
      "typing_duration": 13.573,
      "wpm": 40,
      "message": "เลข 9 ใช่ไหมคะ ข้อมูลที่อยู่ข้างหลัง"
    },
    {
      "message_id": 654,
      "agent_id": 29,
      "delay": 9.568,
      "onscreen_delay": 9.298,
      "typing_delay": 0.27,
      "typing_duration": 7.804,
      "wpm": 54,
      "message": "ตัวหลังสุดคือเลข 9 ไม่ใช่ค่ะ "
    },
    {
      "message_id": 655,
      "agent_id": 13,
      "delay": 5.566,
      "onscreen_delay": 4.947,
      "typing_delay": 0.619,
      "typing_duration": 8.495,
      "wpm": 65,
      "message": "คือ เลข 4 พูดผิด ตัวหลังสุด คือ เลข 4 "
    },
    {
      "message_id": 656,
      "agent_id": 12,
      "delay": 4.492,
      "onscreen_delay": 3.639,
      "typing_delay": 0.853,
      "typing_duration": 10.279,
      "wpm": 53,
      "message": "เพราะฉะนั้น ครูเอาเลข 4 ออก ถูกไหมคะ "
    },
    {
      "message_id": 657,
      "agent_id": 33,
      "delay": 6.277,
      "onscreen_delay": 5.577,
      "typing_delay": 0.7,
      "typing_duration": 13.243,
      "wpm": 31,
      "message": "ลบมันทิ้งไปเลย ครูลบมันทิ้ง "
    },
    {
      "message_id": 658,
      "agent_id": 29,
      "delay": 9.242,
      "onscreen_delay": 8.405,
      "typing_delay": 0.837,
      "typing_duration": 9.349,
      "wpm": 90,
      "message": "Pop คือเอาออก เพราะฉะนั้น มันจะไม่มีข้อมูลหมายเลข 4 อยู่"
    },
    {
      "message_id": 659,
      "agent_id": 13,
      "delay": 5.348,
      "onscreen_delay": 5.151,
      "typing_delay": 0.197,
      "typing_duration": 11.446,
      "wpm": 69,
      "message": "ใน stack ของเราแล้ว เพราะฉะนั้น ข้อมูลตัวล่าสุดของเรา "
    },
    {
      "message_id": 660,
      "agent_id": 12,
      "delay": 7.445,
      "onscreen_delay": 7.102,
      "typing_delay": 0.343,
      "typing_duration": 7.912,
      "wpm": 36,
      "message": "เลขอะไรคะ เลข 9 ถ้า"
    },
    {
      "message_id": 661,
      "agent_id": 33,
      "delay": 3.909,
      "onscreen_delay": 3.432,
      "typing_delay": 0.477,
      "typing_duration": 11.235,
      "wpm": 41,
      "message": "เลข 9 เราอยู่ที่หมายเลขช่องอะไร "
    },
    {
      "message_id": 662,
      "agent_id": 29,
      "delay": 7.235,
      "onscreen_delay": 7.235,
      "typing_delay": 0,
      "typing_duration": 6.743,
      "wpm": 56,
      "message": "เราไม่รู้เราก็เขียน 0 1 2 "
    },
    {
      "message_id": 663,
      "agent_id": 13,
      "delay": 3.233,
      "onscreen_delay": 3.025,
      "typing_delay": 0.208,
      "typing_duration": 8.015,
      "wpm": 67,
      "message": "เพราะฉะนั้น ค่า pop ก็คือ ค่า 2 นะคะ "
    },
    {
      "message_id": 664,
      "agent_id": 12,
      "delay": 4.013,
      "onscreen_delay": 3.337,
      "typing_delay": 0.676,
      "typing_duration": 7.015,
      "wpm": 73,
      "message": "อันไหนที่เราตัดทิ้งเราก็ลบออกไปเลย "
    },
    {
      "message_id": 665,
      "agent_id": 33,
      "delay": 5.036,
      "onscreen_delay": 0,
      "typing_delay": 5.036,
      "typing_duration": 5.036,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 666,
      "agent_id": 29,
      "delay": 3.493,
      "onscreen_delay": 0,
      "typing_delay": 3.493,
      "typing_duration": 6.686,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 667,
      "agent_id": 13,
      "delay": 2.685,
      "onscreen_delay": 2.029,
      "typing_delay": 0.656,
      "typing_duration": 10.423,
      "wpm": 60,
      "message": "ถัดมา เรา pop อีกแล้ว pop คืออะไรคะ เอาออก "
    },
    {
      "message_id": 668,
      "agent_id": 12,
      "delay": 6.419,
      "onscreen_delay": 4.414,
      "typing_delay": 2.005,
      "typing_duration": 9.271,
      "wpm": 53,
      "message": "เราก็เขียนไว้ก่อนนะ Pop คือเอาออก "
    },
    {
      "message_id": 669,
      "agent_id": 33,
      "delay": 5.267,
      "onscreen_delay": 4.189,
      "typing_delay": 1.078,
      "typing_duration": 15.001,
      "wpm": 32,
      "message": "เอาตรงไหนออก มันเหลือตัวเดียวน่ะ "
    },
    {
      "message_id": 670,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 11,
      "typing_delay": 0,
      "typing_duration": 8.269,
      "wpm": 71,
      "message": "มันมีเลข 7 ตัวเดียว เพราะฉะนั้น เราต้อง"
    },
    {
      "message_id": 671,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 6.076,
      "typing_delay": 0.921,
      "typing_duration": 14.435,
      "wpm": 56,
      "message": "เอาเลข 7 ออก เพราะฉะนั้น ตอนนี้เรามีข้อมูลใน stack ไหม "
    },
    {
      "message_id": 672,
      "agent_id": 12,
      "delay": 10.431,
      "onscreen_delay": 9.067,
      "typing_delay": 1.364,
      "typing_duration": 9.039,
      "wpm": 37,
      "message": "จะเป็น 0 ได้ไหม ไม่ได้ "
    },
    {
      "message_id": 673,
      "agent_id": 33,
      "delay": 6.43,
      "onscreen_delay": 5.526,
      "typing_delay": 0.904,
      "typing_duration": 13.761,
      "wpm": 47,
      "message": "ถุกไหมคะ เป็น 0 ไม่ได้ ถูกไหมคะ เพราะฉะนั้น"
    },
    {
      "message_id": 674,
      "agent_id": 29,
      "delay": 9.76,
      "onscreen_delay": 9.276,
      "typing_delay": 0.484,
      "typing_duration": 7.618,
      "wpm": 49,
      "message": "Top ของเราจึงมีค่าเป็น -1 "
    },
    {
      "message_id": 675,
      "agent_id": 13,
      "delay": 5.756,
      "onscreen_delay": 5.449,
      "typing_delay": 0.307,
      "typing_duration": 7.656,
      "wpm": 74,
      "message": "ตามที่ครูบอกนะ stack ว่าง มีค่าเป็น -1 "
    },
    {
      "message_id": 676,
      "agent_id": 12,
      "delay": 5.99,
      "onscreen_delay": 0,
      "typing_delay": 5.99,
      "typing_duration": 5.99,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 677,
      "agent_id": 33,
      "delay": 1.987,
      "onscreen_delay": 0.501,
      "typing_delay": 1.486,
      "typing_duration": 4.163,
      "wpm": 14,
      "message": "โอเค"
    },
    {
      "message_id": 678,
      "agent_id": 29,
      "delay": 2.112,
      "onscreen_delay": 0,
      "typing_delay": 2.112,
      "typing_duration": 7.616,
      "wpm": 20,
      "message": "เราลองมาดู "
    },
    {
      "message_id": 679,
      "agent_id": 13,
      "delay": 3.613,
      "onscreen_delay": 1.663,
      "typing_delay": 1.95,
      "typing_duration": 9.314,
      "wpm": 27,
      "message": "queue queue queue "
    },
    {
      "message_id": 680,
      "agent_id": 12,
      "delay": 5.312,
      "onscreen_delay": 4.919,
      "typing_delay": 0.393,
      "typing_duration": 14.446,
      "wpm": 36,
      "message": "เห็นไหมคะ ครูบอกแล้วตัวนี้คือ Queue "
    },
    {
      "message_id": 681,
      "agent_id": 33,
      "delay": 10.44,
      "onscreen_delay": 9.879,
      "typing_delay": 0.561,
      "typing_duration": 15.001,
      "wpm": 26,
      "message": "ครูก็บอกแล้วว่า อันนี้ คือ "
    },
    {
      "message_id": 682,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 7.705,
      "typing_delay": 3.295,
      "typing_duration": 7.255,
      "wpm": 10,
      "message": "queue "
    },
    {
      "message_id": 683,
      "agent_id": 13,
      "delay": 6.998,
      "onscreen_delay": 6.808,
      "typing_delay": 0.19,
      "typing_duration": 14.252,
      "wpm": 46,
      "message": "จะมีตัวกำกับหรือตัวชี้อยู่ 2 ตัว ก็คือ front "
    },
    {
      "message_id": 684,
      "agent_id": 12,
      "delay": 10.25,
      "onscreen_delay": 9.884,
      "typing_delay": 0.366,
      "typing_duration": 7.122,
      "wpm": 42,
      "message": "กับ rear คือ f กับ r "
    },
    {
      "message_id": 685,
      "agent_id": 33,
      "delay": 6.244,
      "onscreen_delay": 5.403,
      "typing_delay": 0.841,
      "typing_duration": 12.798,
      "wpm": 33,
      "message": "ใช่ไหมคะ Front  อยู่ข้างหน้า"
    },
    {
      "message_id": 686,
      "agent_id": 29,
      "delay": 8.796,
      "onscreen_delay": 6.157,
      "typing_delay": 2.639,
      "typing_duration": 5.527,
      "wpm": 46,
      "message": "rear อยู่ข้างหลัง "
    },
    {
      "message_id": 687,
      "agent_id": 13,
      "delay": 5.009,
      "onscreen_delay": 0,
      "typing_delay": 5.009,
      "typing_duration": 5.009,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 688,
      "agent_id": 12,
      "delay": 1.939,
      "onscreen_delay": 0,
      "typing_delay": 1.939,
      "typing_duration": 8.43,
      "wpm": 32,
      "message": "จะมีคำสั่ง enqueue "
    },
    {
      "message_id": 689,
      "agent_id": 33,
      "delay": 4.427,
      "onscreen_delay": 3.864,
      "typing_delay": 0.563,
      "typing_duration": 11.422,
      "wpm": 38,
      "message": "กับ dequeue  ใช่ไหมคะ dequeue "
    },
    {
      "message_id": 690,
      "agent_id": 29,
      "delay": 7.42,
      "onscreen_delay": 7.345,
      "typing_delay": 0.075,
      "typing_duration": 3.958,
      "wpm": 53,
      "message": "คืออะไร เอาออก "
    },
    {
      "message_id": 691,
      "agent_id": 13,
      "delay": 3.418,
      "onscreen_delay": 1.688,
      "typing_delay": 1.73,
      "typing_duration": 11.206,
      "wpm": 32,
      "message": "dequeue คือ เอาข้อมูลออก "
    },
    {
      "message_id": 692,
      "agent_id": 12,
      "delay": 7.205,
      "onscreen_delay": 5.775,
      "typing_delay": 1.43,
      "typing_duration": 5.033,
      "wpm": 42,
      "message": "เอาข้างหน้าออก "
    },
    {
      "message_id": 693,
      "agent_id": 33,
      "delay": 5.52,
      "onscreen_delay": 0,
      "typing_delay": 5.52,
      "typing_duration": 9.333,
      "wpm": 14,
      "message": "เห็นไหมคะ"
    },
    {
      "message_id": 694,
      "agent_id": 29,
      "delay": 5.331,
      "onscreen_delay": 4.25,
      "typing_delay": 1.081,
      "typing_duration": 7.655,
      "wpm": 51,
      "message": "Dequeue คือ เอาข้างหน้าออก "
    },
    {
      "message_id": 695,
      "agent_id": 13,
      "delay": 3.653,
      "onscreen_delay": 3.524,
      "typing_delay": 0.129,
      "typing_duration": 14.488,
      "wpm": 45,
      "message": "เพราะฉะนั้น เอาเลขอะไรออกคะ เลข  7 เอาเลข 7 "
    },
    {
      "message_id": 696,
      "agent_id": 12,
      "delay": 10.488,
      "onscreen_delay": 10.193,
      "typing_delay": 0.295,
      "typing_duration": 10.318,
      "wpm": 32,
      "message": "ออก เพราะฉะนั้น ข้อมูล"
    },
    {
      "message_id": 697,
      "agent_id": 33,
      "delay": 6.485,
      "onscreen_delay": 5.78,
      "typing_delay": 0.705,
      "typing_duration": 14.751,
      "wpm": 34,
      "message": "ตัวแรกคืออะไร เราเขียนหมายเลขก่อน"
    },
    {
      "message_id": 698,
      "agent_id": 29,
      "delay": 10.747,
      "onscreen_delay": 9.589,
      "typing_delay": 1.158,
      "typing_duration": 11.768,
      "wpm": 27,
      "message": "ข้อมูลตัวเลขจะอยู่ที่"
    },
    {
      "message_id": 699,
      "agent_id": 13,
      "delay": 7.767,
      "onscreen_delay": 7.767,
      "typing_delay": 0,
      "typing_duration": 7.519,
      "wpm": 72,
      "message": "เลข 6 ใช่ไหม มันตรงกับเลขอะไร ช่อง 1 "
    },
    {
      "message_id": 700,
      "agent_id": 12,
      "delay": 3.76,
      "onscreen_delay": 2.705,
      "typing_delay": 1.055,
      "typing_duration": 8.248,
      "wpm": 56,
      "message": "ก็คือ front ก็คือข้างหน้าถูกไหม "
    },
    {
      "message_id": 701,
      "agent_id": 33,
      "delay": 4.244,
      "onscreen_delay": 3.541,
      "typing_delay": 0.703,
      "typing_duration": 11.974,
      "wpm": 31,
      "message": "ตัวสุดท้ายอยู่ช่องเลขอะไร "
    },
    {
      "message_id": 702,
      "agent_id": 29,
      "delay": 7.973,
      "onscreen_delay": 7.973,
      "typing_delay": 0,
      "typing_duration": 6.202,
      "wpm": 63,
      "message": "เลข 3 นะคะ อันนี้คือตัวแรก "
    },
    {
      "message_id": 703,
      "agent_id": 13,
      "delay": 3.971,
      "onscreen_delay": 3.897,
      "typing_delay": 0.074,
      "typing_duration": 6.482,
      "wpm": 81,
      "message": "อันนี้คือตัวแรก อันนี้คือตัวสุดท้าย "
    },
    {
      "message_id": 704,
      "agent_id": 12,
      "delay": 5.155,
      "onscreen_delay": 0,
      "typing_delay": 5.155,
      "typing_duration": 5.155,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 705,
      "agent_id": 33,
      "delay": 4.018,
      "onscreen_delay": 0,
      "typing_delay": 4.018,
      "typing_duration": 4.018,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 706,
      "agent_id": 29,
      "delay": 4.401,
      "onscreen_delay": 0,
      "typing_delay": 4.401,
      "typing_duration": 4.401,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 707,
      "agent_id": 13,
      "delay": 3.893,
      "onscreen_delay": 0,
      "typing_delay": 3.893,
      "typing_duration": 6.378,
      "wpm": 12,
      "message": "ถัดมา "
    },
    {
      "message_id": 708,
      "agent_id": 12,
      "delay": 2.373,
      "onscreen_delay": 0.689,
      "typing_delay": 1.684,
      "typing_duration": 8.982,
      "wpm": 33,
      "message": "ครูใช้คำสั่ง enqueue "
    },
    {
      "message_id": 709,
      "agent_id": 33,
      "delay": 4.981,
      "onscreen_delay": 3.765,
      "typing_delay": 1.216,
      "typing_duration": 12.847,
      "wpm": 33,
      "message": "เราเห็น Enqueue  ว่ามีตัวเลข"
    },
    {
      "message_id": 710,
      "agent_id": 29,
      "delay": 8.846,
      "onscreen_delay": 8.846,
      "typing_delay": 0,
      "typing_duration": 7.371,
      "wpm": 88,
      "message": "ใช่ไหมคะ แสดงว่าต้องเอาเข้าน่ะ เอาเข้าถูกนะ "
    },
    {
      "message_id": 711,
      "agent_id": 13,
      "delay": 4.845,
      "onscreen_delay": 2.76,
      "typing_delay": 2.085,
      "typing_duration": 6.741,
      "wpm": 60,
      "message": "เอาเข้าข้างหน้าหรือข้างหลัง "
    },
    {
      "message_id": 712,
      "agent_id": 12,
      "delay": 2.739,
      "onscreen_delay": 2.265,
      "typing_delay": 0.474,
      "typing_duration": 6.12,
      "wpm": 51,
      "message": "ข้างหลังเอาเลข 3 เข้า "
    },
    {
      "message_id": 713,
      "agent_id": 33,
      "delay": 2.119,
      "onscreen_delay": 0.98,
      "typing_delay": 1.139,
      "typing_duration": 14.77,
      "wpm": 43,
      "message": "ถูกไหมคะ พอครูเอาเลข 3 เข้า จะไปอยู่เลขไหน"
    },
    {
      "message_id": 714,
      "agent_id": 29,
      "delay": 10.767,
      "onscreen_delay": 10.459,
      "typing_delay": 0.308,
      "typing_duration": 5.995,
      "wpm": 48,
      "message": "จะอยู่หลังหมายเลข 6 "
    },
    {
      "message_id": 715,
      "agent_id": 13,
      "delay": 6.766,
      "onscreen_delay": 5.192,
      "typing_delay": 1.574,
      "typing_duration": 7.454,
      "wpm": 44,
      "message": "เราใส่เลขกำกับก่อน 0 1 "
    },
    {
      "message_id": 716,
      "agent_id": 12,
      "delay": 3.451,
      "onscreen_delay": 3.203,
      "typing_delay": 0.248,
      "typing_duration": 7.232,
      "wpm": 54,
      "message": "2 ข้อมูลตัวแรกอยู่ที่ไหนคะ "
    },
    {
      "message_id": 717,
      "agent_id": 33,
      "delay": 3.23,
      "onscreen_delay": 1.516,
      "typing_delay": 1.714,
      "typing_duration": 13.73,
      "wpm": 20,
      "message": "0 ข้อมูลตัวสุดท้าย"
    },
    {
      "message_id": 718,
      "agent_id": 29,
      "delay": 9.725,
      "onscreen_delay": 9.699,
      "typing_delay": 0.026,
      "typing_duration": 6.592,
      "wpm": 20,
      "message": "อยู่ที่ 2 "
    },
    {
      "message_id": 719,
      "agent_id": 13,
      "delay": 5.723,
      "onscreen_delay": 4.274,
      "typing_delay": 1.449,
      "typing_duration": 6.098,
      "wpm": 22,
      "message": "front บอก "
    },
    {
      "message_id": 720,
      "agent_id": 12,
      "delay": 2.621,
      "onscreen_delay": 0,
      "typing_delay": 2.621,
      "typing_duration": 8.542,
      "wpm": 54,
      "message": "front จะบอกข้อมูลตัวแรกใช่ไหมคะ "
    },
    {
      "message_id": 721,
      "agent_id": 33,
      "delay": 4.538,
      "onscreen_delay": 2.942,
      "typing_delay": 1.596,
      "typing_duration": 11.935,
      "wpm": 19,
      "message": "ส่วน rear จะบอก"
    },
    {
      "message_id": 722,
      "agent_id": 29,
      "delay": 7.931,
      "onscreen_delay": 6.846,
      "typing_delay": 1.085,
      "typing_duration": 8.02,
      "wpm": 11,
      "message": "ข้อมูล"
    },
    {
      "message_id": 723,
      "agent_id": 13,
      "delay": 4.019,
      "onscreen_delay": 3.558,
      "typing_delay": 0.461,
      "typing_duration": 4.421,
      "wpm": 34,
      "message": "ตัวสุดท้าย "
    },
    {
      "message_id": 724,
      "agent_id": 12,
      "delay": 1.517,
      "onscreen_delay": 0,
      "typing_delay": 1.517,
      "typing_duration": 6.934,
      "wpm": 11,
      "message": "ถัดมา "
    },
    {
      "message_id": 725,
      "agent_id": 33,
      "delay": 2.93,
      "onscreen_delay": 1.824,
      "typing_delay": 1.106,
      "typing_duration": 11.162,
      "wpm": 30,
      "message": "Enqueue  เอาเข้าเอาออก "
    },
    {
      "message_id": 726,
      "agent_id": 29,
      "delay": 7.16,
      "onscreen_delay": 7.16,
      "typing_delay": 0,
      "typing_duration": 7.229,
      "wpm": 15,
      "message": "เอาเข้า "
    },
    {
      "message_id": 727,
      "agent_id": 13,
      "delay": 3.226,
      "onscreen_delay": 3.108,
      "typing_delay": 0.118,
      "typing_duration": 9.855,
      "wpm": 73,
      "message": "เอาเข้าข้างหลัง เอาอะไรคะ เอา 8 เข้า เพราะฉะนั้น "
    },
    {
      "message_id": 728,
      "agent_id": 12,
      "delay": 5.854,
      "onscreen_delay": 5.102,
      "typing_delay": 0.752,
      "typing_duration": 6.149,
      "wpm": 61,
      "message": "มันจะไปอยู่ที่ช่องหลังเลข "
    },
    {
      "message_id": 729,
      "agent_id": 33,
      "delay": 2.148,
      "onscreen_delay": 1.384,
      "typing_delay": 0.764,
      "typing_duration": 11.9,
      "wpm": 30,
      "message": "4 มันมีหมายเลขช่องไหม มี "
    },
    {
      "message_id": 730,
      "agent_id": 29,
      "delay": 7.899,
      "onscreen_delay": 6.49,
      "typing_delay": 1.409,
      "typing_duration": 6.437,
      "wpm": 61,
      "message": "ข้างหลัง ก็คือ rear ใช่ไหม "
    },
    {
      "message_id": 731,
      "agent_id": 13,
      "delay": 3.897,
      "onscreen_delay": 3.525,
      "typing_delay": 0.372,
      "typing_duration": 9.975,
      "wpm": 57,
      "message": "8 อยู่หมายเลข 3 ตัวแรก อยู่ช่องหมายเลข "
    },
    {
      "message_id": 732,
      "agent_id": 12,
      "delay": 5.971,
      "onscreen_delay": 4.787,
      "typing_delay": 1.184,
      "typing_duration": 10.935,
      "wpm": 58,
      "message": "1 เห็นไหมคะ อันนี้คือช่องแรก อันนี้คือช่อง"
    },
    {
      "message_id": 733,
      "agent_id": 33,
      "delay": 6.929,
      "onscreen_delay": 5.486,
      "typing_delay": 1.443,
      "typing_duration": 5.737,
      "wpm": 18,
      "message": "สุดท้าย"
    },
    {
      "message_id": 734,
      "agent_id": 29,
      "delay": 4.841,
      "onscreen_delay": 0,
      "typing_delay": 4.841,
      "typing_duration": 4.841,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 735,
      "agent_id": 13,
      "delay": 4.206,
      "onscreen_delay": 0,
      "typing_delay": 4.206,
      "typing_duration": 7.99,
      "wpm": 9,
      "message": "ถัดมา "
    },
    {
      "message_id": 736,
      "agent_id": 12,
      "delay": 3.989,
      "onscreen_delay": 0.889,
      "typing_delay": 3.1,
      "typing_duration": 8.159,
      "wpm": 31,
      "message": "dequeue คืออะไรคะ "
    },
    {
      "message_id": 737,
      "agent_id": 33,
      "delay": 4.146,
      "onscreen_delay": 2.347,
      "typing_delay": 1.799,
      "typing_duration": 9.318,
      "wpm": 21,
      "message": "เอาออก เอา..."
    },
    {
      "message_id": 738,
      "agent_id": 29,
      "delay": 5.317,
      "onscreen_delay": 5.292,
      "typing_delay": 0.025,
      "typing_duration": 11.512,
      "wpm": 18,
      "message": "เอาข้างหน้าออก"
    },
    {
      "message_id": 739,
      "agent_id": 13,
      "delay": 7.511,
      "onscreen_delay": 7.177,
      "typing_delay": 0.334,
      "typing_duration": 12.339,
      "wpm": 58,
      "message": "ใช่ไหมคะ เพราะฉะนั้น เอาหมายเลขอะไรออก หมายเลข 4 "
    },
    {
      "message_id": 740,
      "agent_id": 12,
      "delay": 8.337,
      "onscreen_delay": 7.136,
      "typing_delay": 1.201,
      "typing_duration": 13.643,
      "wpm": 37,
      "message": "เพราะฉะนั้น ข้อมูลจะเหลือแค่ 1 ตัว "
    },
    {
      "message_id": 741,
      "agent_id": 33,
      "delay": 9.641,
      "onscreen_delay": 8.097,
      "typing_delay": 1.544,
      "typing_duration": 12.879,
      "wpm": 29,
      "message": "เพราะฉะนั้นอยู่ช่องอะไรคะ"
    },
    {
      "message_id": 742,
      "agent_id": 29,
      "delay": 8.878,
      "onscreen_delay": 8.878,
      "typing_delay": 0,
      "typing_duration": 10.37,
      "wpm": 48,
      "message": "หมายเลข 2 มีข้อมูลอยู่แค่ตัวเดียว"
    },
    {
      "message_id": 743,
      "agent_id": 13,
      "delay": 6.338,
      "onscreen_delay": 4.048,
      "typing_delay": 2.29,
      "typing_duration": 10.325,
      "wpm": 46,
      "message": "เห็นไหมคะ หมายเลขช่อง ก็คือเลข 2 "
    },
    {
      "message_id": 744,
      "agent_id": 12,
      "delay": 6.324,
      "onscreen_delay": 1.17,
      "typing_delay": 5.154,
      "typing_duration": 5.154,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 745,
      "agent_id": 33,
      "delay": 3.274,
      "onscreen_delay": 0,
      "typing_delay": 3.274,
      "typing_duration": 6.323,
      "wpm": 12,
      "message": "ถัดมา"
    },
    {
      "message_id": 746,
      "agent_id": 29,
      "delay": 2.321,
      "onscreen_delay": 0.702,
      "typing_delay": 1.619,
      "typing_duration": 8.17,
      "wpm": 28,
      "message": "Dequeue Dequeue "
    },
    {
      "message_id": 747,
      "agent_id": 13,
      "delay": 4.168,
      "onscreen_delay": 3.852,
      "typing_delay": 0.316,
      "typing_duration": 8.155,
      "wpm": 42,
      "message": "คืออะไรคะ เอาออกอีกแล้ว "
    },
    {
      "message_id": 748,
      "agent_id": 12,
      "delay": 4.154,
      "onscreen_delay": 3.123,
      "typing_delay": 1.031,
      "typing_duration": 5.928,
      "wpm": 35,
      "message": "เอาอะไรออก เอา "
    },
    {
      "message_id": 749,
      "agent_id": 33,
      "delay": 1.927,
      "onscreen_delay": 0.915,
      "typing_delay": 1.012,
      "typing_duration": 15,
      "wpm": 26,
      "message": "2 ออก ตอนนี้มีอะไรใน queue "
    },
    {
      "message_id": 750,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.826,
      "typing_delay": 0.172,
      "typing_duration": 6.949,
      "wpm": 54,
      "message": "ไม่มี เพราะฉะนั้น จะมีค่า"
    },
    {
      "message_id": 751,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 6.926,
      "typing_delay": 0.071,
      "typing_duration": 5.126,
      "wpm": 64,
      "message": "เป็น -1 คือ queue ว่าง "
    },
    {
      "message_id": 752,
      "agent_id": 12,
      "delay": 4.953,
      "onscreen_delay": 0,
      "typing_delay": 4.953,
      "typing_duration": 4.953,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 753,
      "agent_id": 33,
      "delay": 2.862,
      "onscreen_delay": 0,
      "typing_delay": 2.862,
      "typing_duration": 15.001,
      "wpm": 33,
      "message": "เมื่อกี้เราใช้คำสั่ง enqueue  กับ "
    },
    {
      "message_id": 754,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.039,
      "typing_delay": 0.96,
      "typing_duration": 11.442,
      "wpm": 29,
      "message": "เพราะฉะนั้น Endqueue 5 "
    },
    {
      "message_id": 755,
      "agent_id": 13,
      "delay": 7.441,
      "onscreen_delay": 7.367,
      "typing_delay": 0.074,
      "typing_duration": 6.239,
      "wpm": 72,
      "message": "หมายถึงอะไรคะ เอาข้อมูลเลขอะไร "
    },
    {
      "message_id": 756,
      "agent_id": 12,
      "delay": 3.44,
      "onscreen_delay": 2.663,
      "typing_delay": 0.777,
      "typing_duration": 6.204,
      "wpm": 22,
      "message": "เอาข้อมูล"
    },
    {
      "message_id": 757,
      "agent_id": 33,
      "delay": 2.202,
      "onscreen_delay": 0.922,
      "typing_delay": 1.28,
      "typing_duration": 13.823,
      "wpm": 11,
      "message": "เลข 5 เข้า"
    },
    {
      "message_id": 758,
      "agent_id": 29,
      "delay": 9.82,
      "onscreen_delay": 9.618,
      "typing_delay": 0.202,
      "typing_duration": 7.471,
      "wpm": 20,
      "message": "ไปใน queue "
    },
    {
      "message_id": 759,
      "agent_id": 13,
      "delay": 5.819,
      "onscreen_delay": 5.819,
      "typing_delay": 0,
      "typing_duration": 4.33,
      "wpm": 28,
      "message": "ใช่ไหมคะ "
    },
    {
      "message_id": 760,
      "agent_id": 12,
      "delay": 2.478,
      "onscreen_delay": 0,
      "typing_delay": 2.478,
      "typing_duration": 7.849,
      "wpm": 29,
      "message": "dequeue คืออะไร "
    },
    {
      "message_id": 761,
      "agent_id": 33,
      "delay": 3.848,
      "onscreen_delay": 3.287,
      "typing_delay": 0.561,
      "typing_duration": 8.664,
      "wpm": 28,
      "message": "เอาข้อมูล ทำไมคะ "
    },
    {
      "message_id": 762,
      "agent_id": 29,
      "delay": 4.663,
      "onscreen_delay": 4.485,
      "typing_delay": 0.178,
      "typing_duration": 4.387,
      "wpm": 41,
      "message": "ออกจาก queue "
    },
    {
      "message_id": 763,
      "agent_id": 13,
      "delay": 4.169,
      "onscreen_delay": 0,
      "typing_delay": 4.169,
      "typing_duration": 4.169,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 764,
      "agent_id": 12,
      "delay": 5.794,
      "onscreen_delay": 0,
      "typing_delay": 5.794,
      "typing_duration": 5.794,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 765,
      "agent_id": 33,
      "delay": 4.123,
      "onscreen_delay": 0,
      "typing_delay": 4.123,
      "typing_duration": 4.123,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 766,
      "agent_id": 29,
      "delay": 11.294,
      "onscreen_delay": 0,
      "typing_delay": 11.294,
      "typing_duration": 11.294,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 767,
      "agent_id": 13,
      "delay": 7.292,
      "onscreen_delay": 0.616,
      "typing_delay": 6.676,
      "typing_duration": 7.053,
      "wpm": 9,
      "message": "โอเค "
    },
    {
      "message_id": 768,
      "agent_id": 12,
      "delay": 4.45,
      "onscreen_delay": 0,
      "typing_delay": 4.45,
      "typing_duration": 14.121,
      "wpm": 13,
      "message": "ถ้า Push คือ "
    },
    {
      "message_id": 769,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 770,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.772,
      "typing_delay": 1.228,
      "typing_duration": 5.098,
      "wpm": 38,
      "message": "เอาข้อมูลอะไร "
    },
    {
      "message_id": 771,
      "agent_id": 13,
      "delay": 6.999,
      "onscreen_delay": 5.036,
      "typing_delay": 1.963,
      "typing_duration": 5.192,
      "wpm": 32,
      "message": "เอาข้อมูล 5 "
    },
    {
      "message_id": 772,
      "agent_id": 12,
      "delay": 2.998,
      "onscreen_delay": 1.055,
      "typing_delay": 1.943,
      "typing_duration": 11.869,
      "wpm": 4,
      "message": "ใส่"
    },
    {
      "message_id": 773,
      "agent_id": 33,
      "delay": 7.866,
      "onscreen_delay": 6.813,
      "typing_delay": 1.053,
      "typing_duration": 9.336,
      "wpm": 19,
      "message": "ลงไปใน Stack"
    },
    {
      "message_id": 774,
      "agent_id": 29,
      "delay": 5.334,
      "onscreen_delay": 4.699,
      "typing_delay": 0.635,
      "typing_duration": 6.314,
      "wpm": 59,
      "message": "5 มาจากไหนนี่นะ มันบอกนี่ "
    },
    {
      "message_id": 775,
      "agent_id": 13,
      "delay": 2.314,
      "onscreen_delay": 2.314,
      "typing_delay": 0,
      "typing_duration": 6.431,
      "wpm": 65,
      "message": "คำสั่งมันบอกว่าเอาเลข 5 นะคะ "
    },
    {
      "message_id": 776,
      "agent_id": 12,
      "delay": 2.427,
      "onscreen_delay": 1.063,
      "typing_delay": 1.364,
      "typing_duration": 5.676,
      "wpm": 48,
      "message": "ส่วน Pop คืออะไรคะ "
    },
    {
      "message_id": 777,
      "agent_id": 33,
      "delay": 1.675,
      "onscreen_delay": 0.968,
      "typing_delay": 0.707,
      "typing_duration": 7.514,
      "wpm": 18,
      "message": "เอาข้อมูล"
    },
    {
      "message_id": 778,
      "agent_id": 29,
      "delay": 3.506,
      "onscreen_delay": 3.46,
      "typing_delay": 0.046,
      "typing_duration": 7.52,
      "wpm": 24,
      "message": "ออกจาก Stack "
    },
    {
      "message_id": 779,
      "agent_id": 13,
      "delay": 3.518,
      "onscreen_delay": 2.453,
      "typing_delay": 1.065,
      "typing_duration": 7.426,
      "wpm": 65,
      "message": "เอาข้อมูลข้างหลังหรือข้างหน้าออก "
    },
    {
      "message_id": 780,
      "agent_id": 12,
      "delay": 3.424,
      "onscreen_delay": 1.821,
      "typing_delay": 1.603,
      "typing_duration": 9.46,
      "wpm": 60,
      "message": "Stack เอาข้อมูลข้างหลังหรือข้างหน้าออก "
    },
    {
      "message_id": 781,
      "agent_id": 33,
      "delay": 5.458,
      "onscreen_delay": 4.858,
      "typing_delay": 0.6,
      "typing_duration": 7.883,
      "wpm": 32,
      "message": "ข้างหลัง ถูกไหมคะ "
    },
    {
      "message_id": 782,
      "agent_id": 29,
      "delay": 3.881,
      "onscreen_delay": 3.787,
      "typing_delay": 0.094,
      "typing_duration": 8.03,
      "wpm": 17,
      "message": "เอาข้อมูล"
    },
    {
      "message_id": 783,
      "agent_id": 13,
      "delay": 4.028,
      "onscreen_delay": 2.959,
      "typing_delay": 1.069,
      "typing_duration": 5.079,
      "wpm": 32,
      "message": "ข้างหลังออก "
    },
    {
      "message_id": 784,
      "agent_id": 12,
      "delay": 1.074,
      "onscreen_delay": 0.481,
      "typing_delay": 0.593,
      "typing_duration": 6.192,
      "wpm": 68,
      "message": "เอาข้อมูลจากข้างหลังนะคะ ออก "
    },
    {
      "message_id": 785,
      "agent_id": 33,
      "delay": 4.224,
      "onscreen_delay": 0,
      "typing_delay": 4.224,
      "typing_duration": 4.224,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 786,
      "agent_id": 29,
      "delay": 2.798,
      "onscreen_delay": 0,
      "typing_delay": 2.798,
      "typing_duration": 9.259,
      "wpm": 21,
      "message": "เดี๋ยวถ่ายรูป"
    },
    {
      "message_id": 787,
      "agent_id": 13,
      "delay": 5.256,
      "onscreen_delay": 4.148,
      "typing_delay": 1.108,
      "typing_duration": 7.451,
      "wpm": 50,
      "message": "นะคะ ลงใน classroom หน่อย "
    },
    {
      "message_id": 788,
      "agent_id": 12,
      "delay": 3.45,
      "onscreen_delay": 1.476,
      "typing_delay": 1.974,
      "typing_duration": 11.24,
      "wpm": 33,
      "message": "ถ่ายรูปแบบฝึกหัดที่ทำนะคะ "
    },
    {
      "message_id": 789,
      "agent_id": 33,
      "delay": 7.239,
      "onscreen_delay": 6.529,
      "typing_delay": 0.71,
      "typing_duration": 7.478,
      "wpm": 28,
      "message": "ลงใน Classroom"
    },
    {
      "message_id": 790,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 791,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 792,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 793,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 794,
      "agent_id": 29,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 795,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 796,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 2.366,
      "typing_delay": 8.633,
      "typing_duration": 8.633,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 797,
      "agent_id": 33,
      "delay": 7.98,
      "onscreen_delay": 0,
      "typing_delay": 7.98,
      "typing_duration": 7.98,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 798,
      "agent_id": 29,
      "delay": 3.978,
      "onscreen_delay": 3.14,
      "typing_delay": 0.838,
      "typing_duration": 5.957,
      "wpm": 63,
      "message": "เสร็จแล้วทุกคนถ่ายรูปนะคะ "
    },
    {
      "message_id": 799,
      "agent_id": 13,
      "delay": 1.955,
      "onscreen_delay": 1.848,
      "typing_delay": 0.107,
      "typing_duration": 9.111,
      "wpm": 44,
      "message": "แล้วก็โพสต์ลงไปใน classroom "
    },
    {
      "message_id": 800,
      "agent_id": 12,
      "delay": 7.352,
      "onscreen_delay": 0,
      "typing_delay": 7.352,
      "typing_duration": 7.352,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 801,
      "agent_id": 33,
      "delay": 3.461,
      "onscreen_delay": 0,
      "typing_delay": 3.461,
      "typing_duration": 12.098,
      "wpm": 5,
      "message": "ถ่าย"
    },
    {
      "message_id": 802,
      "agent_id": 29,
      "delay": 8.096,
      "onscreen_delay": 8.008,
      "typing_delay": 0.088,
      "typing_duration": 3.949,
      "wpm": 68,
      "message": "ให้ครบ 3 แผ่นเลยนะ "
    },
    {
      "message_id": 803,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 804,
      "agent_id": 12,
      "delay": 10.998,
      "onscreen_delay": 6.962,
      "typing_delay": 4.036,
      "typing_duration": 4.036,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 805,
      "agent_id": 33,
      "delay": 7.2,
      "onscreen_delay": 0,
      "typing_delay": 7.2,
      "typing_duration": 7.2,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 806,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 807,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 808,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 809,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 810,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 811,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 812,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 813,
      "agent_id": 33,
      "delay": 11.987,
      "onscreen_delay": 0,
      "typing_delay": 11.987,
      "typing_duration": 11.987,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 814,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 815,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 816,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 817,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 818,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 819,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 820,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 821,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 822,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 823,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 824,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 825,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 826,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 827,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 828,
      "agent_id": 12,
      "delay": 13.633,
      "onscreen_delay": 0,
      "typing_delay": 13.633,
      "typing_duration": 13.633,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 829,
      "agent_id": 33,
      "delay": 13.991,
      "onscreen_delay": 0,
      "typing_delay": 13.991,
      "typing_duration": 13.991,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 830,
      "agent_id": 29,
      "delay": 9.989,
      "onscreen_delay": 4.275,
      "typing_delay": 5.714,
      "typing_duration": 5.714,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 831,
      "agent_id": 13,
      "delay": 5.987,
      "onscreen_delay": 3.144,
      "typing_delay": 2.843,
      "typing_duration": 5.041,
      "wpm": 21,
      "message": "มี 4 คน "
    },
    {
      "message_id": 832,
      "agent_id": 12,
      "delay": 4.91,
      "onscreen_delay": 0,
      "typing_delay": 4.91,
      "typing_duration": 4.91,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 833,
      "agent_id": 33,
      "delay": 4.785,
      "onscreen_delay": 0,
      "typing_delay": 4.785,
      "typing_duration": 13.865,
      "wpm": 8,
      "message": "ทุกหน้า"
    },
    {
      "message_id": 834,
      "agent_id": 29,
      "delay": 9.863,
      "onscreen_delay": 9.015,
      "typing_delay": 0.848,
      "typing_duration": 6.366,
      "wpm": 14,
      "message": "คุณแม่ "
    },
    {
      "message_id": 835,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 836,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 837,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.51,
      "typing_delay": 4.49,
      "typing_duration": 4.49,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 838,
      "agent_id": 29,
      "delay": 7.86,
      "onscreen_delay": 0,
      "typing_delay": 7.86,
      "typing_duration": 7.86,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 839,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 840,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 0.775,
      "typing_delay": 10.224,
      "typing_duration": 10.224,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 841,
      "agent_id": 33,
      "delay": 7.537,
      "onscreen_delay": 0,
      "typing_delay": 7.537,
      "typing_duration": 7.537,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 842,
      "agent_id": 29,
      "delay": 3.533,
      "onscreen_delay": 1.635,
      "typing_delay": 1.898,
      "typing_duration": 9.293,
      "wpm": 52,
      "message": "เสร็จแล้วเดี๋ยวครูให้เบรก 5 นาที"
    },
    {
      "message_id": 843,
      "agent_id": 13,
      "delay": 5.29,
      "onscreen_delay": 4.287,
      "typing_delay": 1.003,
      "typing_duration": 11.649,
      "wpm": 50,
      "message": "นะ เดี๋ยวมาขึ้นเรื่องใหม่นะคะ จะให้เบรก"
    },
    {
      "message_id": 844,
      "agent_id": 12,
      "delay": 7.646,
      "onscreen_delay": 6.467,
      "typing_delay": 1.179,
      "typing_duration": 9.942,
      "wpm": 35,
      "message": "ก่อนจะได้เคลียร์ของเก่า "
    },
    {
      "message_id": 845,
      "agent_id": 33,
      "delay": 5.941,
      "onscreen_delay": 0.471,
      "typing_delay": 5.47,
      "typing_duration": 5.47,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 846,
      "agent_id": 29,
      "delay": 4.175,
      "onscreen_delay": 0,
      "typing_delay": 4.175,
      "typing_duration": 4.175,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 847,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 848,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 849,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 850,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 851,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 852,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 853,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 854,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 855,
      "agent_id": 13,
      "delay": 15.007,
      "onscreen_delay": 0,
      "typing_delay": 15.007,
      "typing_duration": 15.007,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 856,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 857,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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      "message": ""
    },
    {
      "message_id": 858,
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      "delay": 15.005,
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      "message": ""
    },
    {
      "message_id": 859,
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      "delay": 15.002,
      "onscreen_delay": 0,
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      "typing_duration": 15.002,
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      "message": ""
    },
    {
      "message_id": 860,
      "agent_id": 12,
      "delay": 15.001,
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    {
      "message_id": 861,
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      "delay": 15.001,
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    {
      "message_id": 862,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
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      "message": ""
    },
    {
      "message_id": 863,
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      "delay": 15.004,
      "onscreen_delay": 0,
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      "typing_duration": 15.004,
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      "message": ""
    },
    {
      "message_id": 864,
      "agent_id": 12,
      "delay": 15.005,
      "onscreen_delay": 0,
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      "typing_duration": 15.005,
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      "message": ""
    },
    {
      "message_id": 865,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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      "message": ""
    },
    {
      "message_id": 866,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
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      "message": ""
    },
    {
      "message_id": 867,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
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      "message": ""
    },
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      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1047,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1048,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1049,
      "agent_id": 33,
      "delay": 10.996,
      "onscreen_delay": 5.032,
      "typing_delay": 5.964,
      "typing_duration": 5.964,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1050,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1051,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1052,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1053,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 4.938,
      "typing_delay": 6.061,
      "typing_duration": 6.061,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1054,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1055,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1056,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1057,
      "agent_id": 33,
      "delay": 11.002,
      "onscreen_delay": 4.26,
      "typing_delay": 6.742,
      "typing_duration": 6.742,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1058,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1059,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1060,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1061,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 5.3,
      "typing_delay": 5.698,
      "typing_duration": 5.698,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1062,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1063,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1064,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1065,
      "agent_id": 33,
      "delay": 11.002,
      "onscreen_delay": 4.313,
      "typing_delay": 6.689,
      "typing_duration": 6.689,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1066,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1067,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1068,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1069,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 6.679,
      "typing_delay": 4.319,
      "typing_duration": 4.319,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1070,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1071,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1072,
      "agent_id": 12,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1073,
      "agent_id": 33,
      "delay": 10.995,
      "onscreen_delay": 0.065,
      "typing_delay": 10.93,
      "typing_duration": 10.93,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1074,
      "agent_id": 29,
      "delay": 6.99,
      "onscreen_delay": 4.347,
      "typing_delay": 2.643,
      "typing_duration": 5.484,
      "wpm": 38,
      "message": "โอเค มาต่อนะคะ "
    },
    {
      "message_id": 1075,
      "agent_id": 13,
      "delay": 2.988,
      "onscreen_delay": 1.691,
      "typing_delay": 1.297,
      "typing_duration": 5.849,
      "wpm": 41,
      "message": "มาต่อนะคะ จะเป็น"
    },
    {
      "message_id": 1076,
      "agent_id": 12,
      "delay": 1.846,
      "onscreen_delay": 1.038,
      "typing_delay": 0.808,
      "typing_duration": 13.105,
      "wpm": 49,
      "message": "อีก 1 โครงสร้างนะ เราพูดถึง Stack กับ Queue "
    },
    {
      "message_id": 1077,
      "agent_id": 33,
      "delay": 9.103,
      "onscreen_delay": 8.144,
      "typing_delay": 0.959,
      "typing_duration": 15.005,
      "wpm": 22,
      "message": "ไปแล้วนะคะ Stack กับ q"
    },
    {
      "message_id": 1078,
      "agent_id": 29,
      "delay": 11.004,
      "onscreen_delay": 10.905,
      "typing_delay": 0.099,
      "typing_duration": 6.393,
      "wpm": 68,
      "message": "มันข้อมูลมันจะเรียงกันเป็นแถว "
    },
    {
      "message_id": 1079,
      "agent_id": 13,
      "delay": 7.003,
      "onscreen_delay": 6.775,
      "typing_delay": 0.228,
      "typing_duration": 9.612,
      "wpm": 72,
      "message": "อาจจะเป็นแนวตั้งหรือแนวนอนก็ได้ แต่ทีนี้ ถ้ามี"
    },
    {
      "message_id": 1080,
      "agent_id": 12,
      "delay": 5.611,
      "onscreen_delay": 5.126,
      "typing_delay": 0.485,
      "typing_duration": 10.622,
      "wpm": 66,
      "message": "ข้อมูลนะคะ ที่มันไม่ได้จัดเก็บเป็นแนวข้อมูลหรือ"
    },
    {
      "message_id": 1081,
      "agent_id": 33,
      "delay": 6.621,
      "onscreen_delay": 5.528,
      "typing_delay": 1.093,
      "typing_duration": 15,
      "wpm": 25,
      "message": "เชิงโครงสร้าง เป็นแนวตั้ง"
    },
    {
      "message_id": 1082,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.998,
      "typing_delay": 0,
      "typing_duration": 8.228,
      "wpm": 35,
      "message": "หรือแนวนอนนะคะ เป็น"
    },
    {
      "message_id": 1083,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 6.399,
      "typing_delay": 0.598,
      "typing_duration": 8.982,
      "wpm": 67,
      "message": "แนวตั้ง แนวนอน แต่ข้อมูลเรานะคะ มีลักษณะ"
    },
    {
      "message_id": 1084,
      "agent_id": 12,
      "delay": 4.981,
      "onscreen_delay": 4.512,
      "typing_delay": 0.469,
      "typing_duration": 9.537,
      "wpm": 44,
      "message": "การจัดเก็บเป็นลำดับชั้น แล้ว"
    },
    {
      "message_id": 1085,
      "agent_id": 33,
      "delay": 5.536,
      "onscreen_delay": 5.13,
      "typing_delay": 0.406,
      "typing_duration": 14.155,
      "wpm": 39,
      "message": "เราจะเก็บข้อมูลแบบไหน เราก้จะมีรูปแบบ"
    },
    {
      "message_id": 1086,
      "agent_id": 29,
      "delay": 10.148,
      "onscreen_delay": 10.016,
      "typing_delay": 0.132,
      "typing_duration": 7.178,
      "wpm": 50,
      "message": "นะคะ แบบแรกเราจะเรียกว่า "
    },
    {
      "message_id": 1087,
      "agent_id": 13,
      "delay": 6.144,
      "onscreen_delay": 5.853,
      "typing_delay": 0.291,
      "typing_duration": 13.218,
      "wpm": 40,
      "message": "\"โครงสร้างข้อมูลแบบต้นไม้\" แล้วก็มี"
    },
    {
      "message_id": 1088,
      "agent_id": 12,
      "delay": 9.216,
      "onscreen_delay": 8.501,
      "typing_delay": 0.715,
      "typing_duration": 12.97,
      "wpm": 31,
      "message": "อีก 1 แบบนะคะ ที่จัดเป็นแบบ"
    },
    {
      "message_id": 1089,
      "agent_id": 33,
      "delay": 8.969,
      "onscreen_delay": 8.093,
      "typing_delay": 0.876,
      "typing_duration": 15,
      "wpm": 21,
      "message": "เชื่อมโยงเครือข่ายได้"
    },
    {
      "message_id": 1090,
      "agent_id": 29,
      "delay": 10.995,
      "onscreen_delay": 10.181,
      "typing_delay": 0.814,
      "typing_duration": 7.56,
      "wpm": 48,
      "message": "นะคะ คือ กราฟกับต้นไม้นะ "
    },
    {
      "message_id": 1091,
      "agent_id": 13,
      "delay": 6.992,
      "onscreen_delay": 6.96,
      "typing_delay": 0.032,
      "typing_duration": 11.118,
      "wpm": 59,
      "message": "เราเรียนต้นไม้ก่อน เสร็จแล้วเราจะมาเรียนกราฟ "
    },
    {
      "message_id": 1092,
      "agent_id": 12,
      "delay": 7.117,
      "onscreen_delay": 6.451,
      "typing_delay": 0.666,
      "typing_duration": 7.74,
      "wpm": 64,
      "message": "ลักษณะของโครงสร้างข้อมูลแบบต้นไม้ "
    },
    {
      "message_id": 1093,
      "agent_id": 33,
      "delay": 3.739,
      "onscreen_delay": 2.854,
      "typing_delay": 0.885,
      "typing_duration": 15,
      "wpm": 18,
      "message": "จะเหมือนกับ folder "
    },
    {
      "message_id": 1094,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.958,
      "typing_delay": 0.041,
      "typing_duration": 7.768,
      "wpm": 54,
      "message": "จะลักษณะเหมือนกับ Folder เลย "
    },
    {
      "message_id": 1095,
      "agent_id": 13,
      "delay": 6.998,
      "onscreen_delay": 6.893,
      "typing_delay": 0.105,
      "typing_duration": 14.457,
      "wpm": 58,
      "message": "มีตัวแม่ คลิกเข้าไปก็มีลูก ถูกไหมคะ คลิกเข้าไปก็มีตัวลูก "
    },
    {
      "message_id": 1096,
      "agent_id": 12,
      "delay": 10.456,
      "onscreen_delay": 10.047,
      "typing_delay": 0.409,
      "typing_duration": 14.291,
      "wpm": 39,
      "message": "เรื่อย ๆ นะ คราวนี้ในการจัดเก็บข้อมูล"
    },
    {
      "message_id": 1097,
      "agent_id": 33,
      "delay": 10.289,
      "onscreen_delay": 9.691,
      "typing_delay": 0.598,
      "typing_duration": 15,
      "wpm": 38,
      "message": "โครงสร้างข้อมูลแบบต้นไม้นะคะ เดี๋ยวเรา"
    },
    {
      "message_id": 1098,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 8.547,
      "wpm": 25,
      "message": "ลองจินตนาการนะ "
    },
    {
      "message_id": 1099,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 6.627,
      "typing_delay": 0.37,
      "typing_duration": 12.123,
      "wpm": 62,
      "message": "ต้นไม้นะคะ เดิม รากมันจะอยู่ด้านล่าง ถูกไหม ต้นไหม"
    },
    {
      "message_id": 1100,
      "agent_id": 12,
      "delay": 8.121,
      "onscreen_delay": 7.753,
      "typing_delay": 0.368,
      "typing_duration": 7.915,
      "wpm": 78,
      "message": "ที่เราปลูกต้นไม้มันจะอยู่ด้านล่าง เรากลับ"
    },
    {
      "message_id": 1101,
      "agent_id": 33,
      "delay": 4.12,
      "onscreen_delay": 3.024,
      "typing_delay": 1.096,
      "typing_duration": 15.001,
      "wpm": 33,
      "message": "ดึงแรก ขึ้นมาไว้ข้างบนนะคะ ลักษณะ"
    },
    {
      "message_id": 1102,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.999,
      "typing_delay": 0,
      "typing_duration": 12.747,
      "wpm": 33,
      "message": "แบบนี้ ตัวบนสุดก็คือ รูทโหนด "
    },
    {
      "message_id": 1103,
      "agent_id": 13,
      "delay": 8.746,
      "onscreen_delay": 8.619,
      "typing_delay": 0.127,
      "typing_duration": 12.182,
      "wpm": 49,
      "message": "ก็คือตัวพ่อแม่เลยน่ะ คือ รูต ถ้าเทียบกับ"
    },
    {
      "message_id": 1104,
      "agent_id": 12,
      "delay": 8.181,
      "onscreen_delay": 7.461,
      "typing_delay": 0.72,
      "typing_duration": 12.727,
      "wpm": 44,
      "message": "บรรพรุต ทุกคนนึกภาพโครงสร้างบรรพบุรุษ"
    },
    {
      "message_id": 1105,
      "agent_id": 33,
      "delay": 8.725,
      "onscreen_delay": 8.129,
      "typing_delay": 0.596,
      "typing_duration": 15.001,
      "wpm": 30,
      "message": "ที่อยู่ในบ้านเราได้นะ เราจะมีบ"
    },
    {
      "message_id": 1106,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 10.649,
      "typing_delay": 0.348,
      "typing_duration": 8.347,
      "wpm": 52,
      "message": "ตั้งต้นแล้วก็มีลูกหลายแตกแขนง"
    },
    {
      "message_id": 1107,
      "agent_id": 13,
      "delay": 6.996,
      "onscreen_delay": 6.996,
      "typing_delay": 0,
      "typing_duration": 13.91,
      "wpm": 57,
      "message": "มาเรื่อย ๆ นะคะ ลักษณะแบบเดียวกัน บนสุด คือ บรรพบุรุษ "
    },
    {
      "message_id": 1108,
      "agent_id": 12,
      "delay": 9.909,
      "onscreen_delay": 9.142,
      "typing_delay": 0.767,
      "typing_duration": 10.454,
      "wpm": 56,
      "message": "โหนดคือต้นกำเนิดเลย แต่รูตโหนดเรามีอยู่"
    },
    {
      "message_id": 1109,
      "agent_id": 33,
      "delay": 6.452,
      "onscreen_delay": 5.873,
      "typing_delay": 0.579,
      "typing_duration": 15,
      "wpm": 30,
      "message": "แค่ 1 โหนดเท่านั้นนะคะ ตัววงกล"
    },
    {
      "message_id": 1110,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.422,
      "typing_delay": 0.576,
      "typing_duration": 9.429,
      "wpm": 70,
      "message": "จะเรียกว่า \"โหนด\" ตัวกลม ๆ จะเรียกว่า \"โหนด\" "
    },
    {
      "message_id": 1111,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 3.43,
      "typing_delay": 3.567,
      "typing_duration": 7.534,
      "wpm": 24,
      "message": "เสร็จแล้วนี่ "
    },
    {
      "message_id": 1112,
      "agent_id": 12,
      "delay": 3.532,
      "onscreen_delay": 2.555,
      "typing_delay": 0.977,
      "typing_duration": 11.34,
      "wpm": 49,
      "message": "นี่คือบรรพบุรุษถูกหรือเปล่า บรรพบุรุษ"
    },
    {
      "message_id": 1113,
      "agent_id": 33,
      "delay": 7.338,
      "onscreen_delay": 6.16,
      "typing_delay": 1.178,
      "typing_duration": 14.082,
      "wpm": 33,
      "message": "นี่ ก็มีลูก เห็นไหมคะ บรรพบุรุษ"
    },
    {
      "message_id": 1114,
      "agent_id": 29,
      "delay": 10.08,
      "onscreen_delay": 9.825,
      "typing_delay": 0.255,
      "typing_duration": 8.55,
      "wpm": 33,
      "message": "ก็มีลูก ลูกก็มีหลาน"
    },
    {
      "message_id": 1115,
      "agent_id": 13,
      "delay": 6.079,
      "onscreen_delay": 5.83,
      "typing_delay": 0.249,
      "typing_duration": 6.136,
      "wpm": 64,
      "message": "ออกมาใช่ไหมคะ กลุ่มนี้ คือ "
    },
    {
      "message_id": 1116,
      "agent_id": 12,
      "delay": 2.134,
      "onscreen_delay": 1.792,
      "typing_delay": 0.342,
      "typing_duration": 5.245,
      "wpm": 71,
      "message": "พี่น้องนะ คือพี่น้องที่มี"
    },
    {
      "message_id": 1117,
      "agent_id": 33,
      "delay": 1.242,
      "onscreen_delay": 0.791,
      "typing_delay": 0.451,
      "typing_duration": 6.114,
      "wpm": 27,
      "message": "พ่อเดียวกัน "
    },
    {
      "message_id": 1118,
      "agent_id": 29,
      "delay": 2.109,
      "onscreen_delay": 0.639,
      "typing_delay": 1.47,
      "typing_duration": 7.587,
      "wpm": 63,
      "message": "กลุ่มนี้นะคะ ด้านซ้ายกับด้านหขวา"
    },
    {
      "message_id": 1119,
      "agent_id": 13,
      "delay": 3.586,
      "onscreen_delay": 3.035,
      "typing_delay": 0.551,
      "typing_duration": 10.698,
      "wpm": 53,
      "message": "เป็นลูกพี่ลูกน้อง ใช่ไหม ลูกพี่ลูกน้อง "
    },
    {
      "message_id": 1120,
      "agent_id": 12,
      "delay": 6.694,
      "onscreen_delay": 5.627,
      "typing_delay": 1.067,
      "typing_duration": 11.335,
      "wpm": 33,
      "message": "อันนี้คือพ่อเรา อันนี้... "
    },
    {
      "message_id": 1121,
      "agent_id": 33,
      "delay": 7.334,
      "onscreen_delay": 6.428,
      "typing_delay": 0.906,
      "typing_duration": 9.471,
      "wpm": 30,
      "message": "คือลูกพี่ลูกน้องเรา"
    },
    {
      "message_id": 1122,
      "agent_id": 29,
      "delay": 5.469,
      "onscreen_delay": 3.994,
      "typing_delay": 1.475,
      "typing_duration": 8.011,
      "wpm": 7,
      "message": "โอเค "
    },
    {
      "message_id": 1123,
      "agent_id": 13,
      "delay": 4.009,
      "onscreen_delay": 2.998,
      "typing_delay": 1.011,
      "typing_duration": 7.475,
      "wpm": 42,
      "message": "ตัวที่อยู่ล่างสุดนะคะ "
    },
    {
      "message_id": 1124,
      "agent_id": 12,
      "delay": 3.47,
      "onscreen_delay": 3.051,
      "typing_delay": 0.419,
      "typing_duration": 14.911,
      "wpm": 37,
      "message": "ตัวที่อยู่ล่างสุด เราจะมีชื่อเรียกว่า "
    },
    {
      "message_id": 1125,
      "agent_id": 33,
      "delay": 10.91,
      "onscreen_delay": 10.134,
      "typing_delay": 0.776,
      "typing_duration": 13.501,
      "wpm": 17,
      "message": "ลิสต์โหนด ก็คือ"
    },
    {
      "message_id": 1126,
      "agent_id": 29,
      "delay": 9.5,
      "onscreen_delay": 8.768,
      "typing_delay": 0.732,
      "typing_duration": 6.146,
      "wpm": 76,
      "message": "เราเป็นรุ่นยังไม่มีใครต่อจากเรา "
    },
    {
      "message_id": 1127,
      "agent_id": 13,
      "delay": 5.497,
      "onscreen_delay": 5.391,
      "typing_delay": 0.106,
      "typing_duration": 11.356,
      "wpm": 57,
      "message": "เรายังไม่ได้แต่งงานถูกไหมคะ เราจะเปรียบเป็น"
    },
    {
      "message_id": 1128,
      "agent_id": 12,
      "delay": 7.354,
      "onscreen_delay": 5.732,
      "typing_delay": 1.622,
      "typing_duration": 8.99,
      "wpm": 30,
      "message": "ลีฟโหนดของตระกูลนะ "
    },
    {
      "message_id": 1129,
      "agent_id": 33,
      "delay": 4.989,
      "onscreen_delay": 4.117,
      "typing_delay": 0.872,
      "typing_duration": 15,
      "wpm": 34,
      "message": "เป็นคนล่างสุด เป็นคนชั้นสุดท้าย ล่"
    },
    {
      "message_id": 1130,
      "agent_id": 29,
      "delay": 10.996,
      "onscreen_delay": 10.979,
      "typing_delay": 0.017,
      "typing_duration": 3.92,
      "wpm": 50,
      "message": "ของตระกูลนะคะ "
    },
    {
      "message_id": 1131,
      "agent_id": 13,
      "delay": 6.991,
      "onscreen_delay": 5.425,
      "typing_delay": 1.566,
      "typing_duration": 9.686,
      "wpm": 56,
      "message": "เราจะเห็นว่าลักษณะของโครงสร้างข้อมูล"
    },
    {
      "message_id": 1132,
      "agent_id": 12,
      "delay": 5.684,
      "onscreen_delay": 5.175,
      "typing_delay": 0.509,
      "typing_duration": 12.426,
      "wpm": 65,
      "message": "แบบนี้เราเห็นเป็นลำดับชั้นถูกไหมคะ อันนี้เป็นชั้นที่ 1 "
    },
    {
      "message_id": 1133,
      "agent_id": 33,
      "delay": 8.425,
      "onscreen_delay": 7.82,
      "typing_delay": 0.605,
      "typing_duration": 11.737,
      "wpm": 45,
      "message": "ชั้นที่ 2 ชั้นที่ 3 ไล่ลงมาเรื่อย ๆ "
    },
    {
      "message_id": 1134,
      "agent_id": 29,
      "delay": 7.736,
      "onscreen_delay": 7.736,
      "typing_delay": 0,
      "typing_duration": 4.311,
      "wpm": 31,
      "message": "นะคะ โอเค "
    },
    {
      "message_id": 1135,
      "agent_id": 13,
      "delay": 3.733,
      "onscreen_delay": 0.272,
      "typing_delay": 3.461,
      "typing_duration": 7.959,
      "wpm": 36,
      "message": "ตัวบนสุด เรียกว่า \""
    },
    {
      "message_id": 1136,
      "agent_id": 12,
      "delay": 3.958,
      "onscreen_delay": 2.641,
      "typing_delay": 1.317,
      "typing_duration": 12.762,
      "wpm": 16,
      "message": "root node root "
    },
    {
      "message_id": 1137,
      "agent_id": 33,
      "delay": 8.761,
      "onscreen_delay": 8.101,
      "typing_delay": 0.66,
      "typing_duration": 14.591,
      "wpm": 25,
      "message": "คือ root node คือโหนดแม่"
    },
    {
      "message_id": 1138,
      "agent_id": 29,
      "delay": 10.589,
      "onscreen_delay": 10.092,
      "typing_delay": 0.497,
      "typing_duration": 15.001,
      "wpm": 22,
      "message": "ตัวล่างสุดเรียกว่า \"le"
    },
    {
      "message_id": 1139,
      "agent_id": 13,
      "delay": 11,
      "onscreen_delay": 10.435,
      "typing_delay": 0.565,
      "typing_duration": 9.633,
      "wpm": 59,
      "message": "นะคะ คือ ลีฟโหนด คือ ตัวสุดท้าย จะเห็น"
    },
    {
      "message_id": 1140,
      "agent_id": 12,
      "delay": 6.998,
      "onscreen_delay": 6.746,
      "typing_delay": 0.252,
      "typing_duration": 10.126,
      "wpm": 39,
      "message": "ว่าลีฟโหนด มี 7 มี 9 มี 15 "
    },
    {
      "message_id": 1141,
      "agent_id": 33,
      "delay": 6.124,
      "onscreen_delay": 5.599,
      "typing_delay": 0.525,
      "typing_duration": 12.443,
      "wpm": 47,
      "message": "มี 45 แล้วก็ 77 พวกนี้ที่อยู่ล่างสุดนี่"
    },
    {
      "message_id": 1142,
      "agent_id": 29,
      "delay": 8.44,
      "onscreen_delay": 7.846,
      "typing_delay": 0.594,
      "typing_duration": 11.431,
      "wpm": 41,
      "message": "เรียกว่า \"left node\" ทั้งหมดเลย "
    },
    {
      "message_id": 1143,
      "agent_id": 13,
      "delay": 7.43,
      "onscreen_delay": 6.345,
      "typing_delay": 1.085,
      "typing_duration": 10.913,
      "wpm": 38,
      "message": "ข้างบน ข้างบนเลข 7 คือ พ่อนะ "
    },
    {
      "message_id": 1144,
      "agent_id": 12,
      "delay": 6.911,
      "onscreen_delay": 6.214,
      "typing_delay": 0.697,
      "typing_duration": 6.223,
      "wpm": 72,
      "message": "แม่นะคะ เราเรียกพ่อนะ พ่อของ 7 "
    },
    {
      "message_id": 1145,
      "agent_id": 33,
      "delay": 2.908,
      "onscreen_delay": 2.343,
      "typing_delay": 0.565,
      "typing_duration": 14.283,
      "wpm": 26,
      "message": "คือ 13 ลูกของ 13 คือ 7, 9"
    },
    {
      "message_id": 1146,
      "agent_id": 29,
      "delay": 10.281,
      "onscreen_delay": 9.768,
      "typing_delay": 0.513,
      "typing_duration": 6.646,
      "wpm": 56,
      "message": "15 นะคะ พ่อของ 13 คืออะไร "
    },
    {
      "message_id": 1147,
      "agent_id": 13,
      "delay": 6.279,
      "onscreen_delay": 5.2,
      "typing_delay": 1.079,
      "typing_duration": 5.16,
      "wpm": 20,
      "message": "23 โอเค "
    },
    {
      "message_id": 1148,
      "agent_id": 12,
      "delay": 2.278,
      "onscreen_delay": 1.805,
      "typing_delay": 0.473,
      "typing_duration": 10.472,
      "wpm": 43,
      "message": "คราวนี้ จากตรงนี้นะคะ เราดูการ"
    },
    {
      "message_id": 1149,
      "agent_id": 33,
      "delay": 6.469,
      "onscreen_delay": 5.574,
      "typing_delay": 0.895,
      "typing_duration": 12.963,
      "wpm": 43,
      "message": "เรียกชื่อ หรือว่าลำดับของการเรียกชื่อ "
    },
    {
      "message_id": 1150,
      "agent_id": 29,
      "delay": 8.962,
      "onscreen_delay": 8.465,
      "typing_delay": 0.497,
      "typing_duration": 7.631,
      "wpm": 65,
      "message": "โหลด 23 มันอยู่บนสุดเราจะเรียกว่า "
    },
    {
      "message_id": 1151,
      "agent_id": 13,
      "delay": 4.961,
      "onscreen_delay": 3.303,
      "typing_delay": 1.658,
      "typing_duration": 5.73,
      "wpm": 37,
      "message": "มันคือ รูตโหนด "
    },
    {
      "message_id": 1152,
      "agent_id": 12,
      "delay": 1.727,
      "onscreen_delay": 1.473,
      "typing_delay": 0.254,
      "typing_duration": 7.058,
      "wpm": 57,
      "message": "ตัวนี้นะคะ โหนดที่อยู่บนสุด "
    },
    {
      "message_id": 1153,
      "agent_id": 33,
      "delay": 3.057,
      "onscreen_delay": 2.583,
      "typing_delay": 0.474,
      "typing_duration": 9.889,
      "wpm": 23,
      "message": "ก็คือ root node"
    },
    {
      "message_id": 1154,
      "agent_id": 29,
      "delay": 5.888,
      "onscreen_delay": 3.189,
      "typing_delay": 2.699,
      "typing_duration": 4.797,
      "wpm": 31,
      "message": "ตัวนี้นะคะ "
    },
    {
      "message_id": 1155,
      "agent_id": 13,
      "delay": 1.886,
      "onscreen_delay": 1.232,
      "typing_delay": 0.654,
      "typing_duration": 6.802,
      "wpm": 68,
      "message": "นะคะ เพราะว่ามันคือโหนดแรกสุดนะ "
    },
    {
      "message_id": 1156,
      "agent_id": 12,
      "delay": 2.801,
      "onscreen_delay": 2.207,
      "typing_delay": 0.594,
      "typing_duration": 7.579,
      "wpm": 32,
      "message": "ถัดมาโหนด 23 นี่ "
    },
    {
      "message_id": 1157,
      "agent_id": 33,
      "delay": 3.578,
      "onscreen_delay": 2.736,
      "typing_delay": 0.842,
      "typing_duration": 13.919,
      "wpm": 32,
      "message": "เชื่อมไปยังโหนด 13 กับ 54 นะคะ"
    },
    {
      "message_id": 1158,
      "agent_id": 29,
      "delay": 9.918,
      "onscreen_delay": 9.734,
      "typing_delay": 0.184,
      "typing_duration": 6.573,
      "wpm": 59,
      "message": "มันเป็นพ่อของ 13 กับ 54 นะ "
    },
    {
      "message_id": 1159,
      "agent_id": 13,
      "delay": 5.916,
      "onscreen_delay": 4.41,
      "typing_delay": 1.506,
      "typing_duration": 8.678,
      "wpm": 40,
      "message": "มันเป็นพ่อของ 13 กับ 54 "
    },
    {
      "message_id": 1160,
      "agent_id": 12,
      "delay": 4.677,
      "onscreen_delay": 3.048,
      "typing_delay": 1.629,
      "typing_duration": 6.75,
      "wpm": 42,
      "message": "เสร็จแล้ว 13 กับ 54 "
    },
    {
      "message_id": 1161,
      "agent_id": 33,
      "delay": 2.745,
      "onscreen_delay": 2.124,
      "typing_delay": 0.621,
      "typing_duration": 10.326,
      "wpm": 35,
      "message": "นี่เป็นลูก เป็นลูกของ 23 "
    },
    {
      "message_id": 1162,
      "agent_id": 29,
      "delay": 6.323,
      "onscreen_delay": 5.543,
      "typing_delay": 0.78,
      "typing_duration": 5.306,
      "wpm": 11,
      "message": "นะคะ "
    },
    {
      "message_id": 1163,
      "agent_id": 13,
      "delay": 2.322,
      "onscreen_delay": 2.322,
      "typing_delay": 0,
      "typing_duration": 10.043,
      "wpm": 42,
      "message": "7 9 15 โหนด 7 โหนด 9 โหนด 15 "
    },
    {
      "message_id": 1164,
      "agent_id": 12,
      "delay": 6.042,
      "onscreen_delay": 5.159,
      "typing_delay": 0.883,
      "typing_duration": 5.699,
      "wpm": 45,
      "message": "เป็นลูกของโหนด 13 "
    },
    {
      "message_id": 1165,
      "agent_id": 33,
      "delay": 7.676,
      "onscreen_delay": 0,
      "typing_delay": 7.676,
      "typing_duration": 13.967,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1166,
      "agent_id": 29,
      "delay": 9.966,
      "onscreen_delay": 7.815,
      "typing_delay": 2.151,
      "typing_duration": 9.469,
      "wpm": 33,
      "message": "ลิฟโหนดคือโหนดล่างสุด"
    },
    {
      "message_id": 1167,
      "agent_id": 13,
      "delay": 5.963,
      "onscreen_delay": 5.493,
      "typing_delay": 0.47,
      "typing_duration": 10.804,
      "wpm": 64,
      "message": "ของต้นไม้นะ โหนดที่อยู่ด้านล่างสุดของแต่ละกิ่ง"
    },
    {
      "message_id": 1168,
      "agent_id": 12,
      "delay": 6.802,
      "onscreen_delay": 6.392,
      "typing_delay": 0.41,
      "typing_duration": 10.625,
      "wpm": 72,
      "message": "ของต้นไม้ไม่มีอะไรต่อลงไปอีกแล้ว เราเรียกตัวนั้นว่า "
    },
    {
      "message_id": 1169,
      "agent_id": 33,
      "delay": 6.623,
      "onscreen_delay": 4.967,
      "typing_delay": 1.656,
      "typing_duration": 11.398,
      "wpm": 18,
      "message": "leaf node นะคะ"
    },
    {
      "message_id": 1170,
      "agent_id": 29,
      "delay": 7.396,
      "onscreen_delay": 1.657,
      "typing_delay": 5.739,
      "typing_duration": 5.739,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1171,
      "agent_id": 13,
      "delay": 3.393,
      "onscreen_delay": 2.366,
      "typing_delay": 1.027,
      "typing_duration": 8.739,
      "wpm": 53,
      "message": "เห็นไหม เริ่มต้น รูตโหนด คือ 23 "
    },
    {
      "message_id": 1172,
      "agent_id": 12,
      "delay": 4.737,
      "onscreen_delay": 3.987,
      "typing_delay": 0.75,
      "typing_duration": 7.995,
      "wpm": 56,
      "message": "นะคะ คราวนี้ระดับของโหนด ก็คือ"
    },
    {
      "message_id": 1173,
      "agent_id": 33,
      "delay": 3.991,
      "onscreen_delay": 3.522,
      "typing_delay": 0.469,
      "typing_duration": 15,
      "wpm": 43,
      "message": "ลำดับชั้นของโหนดน่ะ เราเริ่มที่ลำดับชั้นของ"
    },
    {
      "message_id": 1174,
      "agent_id": 29,
      "delay": 10.996,
      "onscreen_delay": 10.447,
      "typing_delay": 0.549,
      "typing_duration": 6.398,
      "wpm": 73,
      "message": "นะคะ ลำดับชั้นของต้นไม้นะคะ เรา"
    },
    {
      "message_id": 1175,
      "agent_id": 13,
      "delay": 6.995,
      "onscreen_delay": 6.995,
      "typing_delay": 0,
      "typing_duration": 13.392,
      "wpm": 49,
      "message": "เราเริ่มต้นที่ 0 เพราะฉะนั้น ตัวบนสุด จะอยู่"
    },
    {
      "message_id": 1176,
      "agent_id": 12,
      "delay": 9.391,
      "onscreen_delay": 8.959,
      "typing_delay": 0.432,
      "typing_duration": 11.775,
      "wpm": 23,
      "message": "ระดับ 0 นะคะ 15... "
    },
    {
      "message_id": 1177,
      "agent_id": 33,
      "delay": 7.773,
      "onscreen_delay": 6.656,
      "typing_delay": 1.117,
      "typing_duration": 9.308,
      "wpm": 35,
      "message": "3 กับ 54 จะอยู่ระดับ 1 "
    },
    {
      "message_id": 1178,
      "agent_id": 29,
      "delay": 5.305,
      "onscreen_delay": 5.216,
      "typing_delay": 0.089,
      "typing_duration": 5.239,
      "wpm": 89,
      "message": "ระดับ 2 ระดับ 3 ไล่ลงมาเรื่อย ๆ "
    },
    {
      "message_id": 1179,
      "agent_id": 13,
      "delay": 1.689,
      "onscreen_delay": 0,
      "typing_delay": 1.689,
      "typing_duration": 8.663,
      "wpm": 57,
      "message": "โหนดพ่อ พ่อก็คืออยู่สูงกว่าตัวเอง "
    },
    {
      "message_id": 1180,
      "agent_id": 12,
      "delay": 4.662,
      "onscreen_delay": 3.992,
      "typing_delay": 0.67,
      "typing_duration": 7.738,
      "wpm": 66,
      "message": "เห็นไหม ลูกก็คือ ณ โหนดที่กล่าวถึง"
    },
    {
      "message_id": 1181,
      "agent_id": 33,
      "delay": 3.736,
      "onscreen_delay": 3.188,
      "typing_delay": 0.548,
      "typing_duration": 15,
      "wpm": 39,
      "message": "พ่อก็คืออยู่ระดับสูงขึ้นไป ลูกก็คืออญุ่"
    },
    {
      "message_id": 1182,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.814,
      "typing_delay": 0.185,
      "typing_duration": 5.097,
      "wpm": 65,
      "message": "1 ชั้นนะคะ โหนดพี่น้อง "
    },
    {
      "message_id": 1183,
      "agent_id": 13,
      "delay": 6.998,
      "onscreen_delay": 5.268,
      "typing_delay": 1.73,
      "typing_duration": 9.09,
      "wpm": 43,
      "message": "จะเป็นพี่น้องกันได้ต้องพ่อ"
    },
    {
      "message_id": 1184,
      "agent_id": 12,
      "delay": 5.088,
      "onscreen_delay": 4.758,
      "typing_delay": 0.33,
      "typing_duration": 14.021,
      "wpm": 18,
      "message": "เดียวกัน 7, 9, 15 "
    },
    {
      "message_id": 1185,
      "agent_id": 33,
      "delay": 10.019,
      "onscreen_delay": 9.475,
      "typing_delay": 0.544,
      "typing_duration": 14.397,
      "wpm": 45,
      "message": "เพราะมีพ่อเดียวกันถูกไหม เพราะมีพ่อเดียวกัน"
    },
    {
      "message_id": 1186,
      "agent_id": 29,
      "delay": 10.396,
      "onscreen_delay": 9.575,
      "typing_delay": 0.821,
      "typing_duration": 9.602,
      "wpm": 20,
      "message": "แต่ 46 กับ 77 "
    },
    {
      "message_id": 1187,
      "agent_id": 13,
      "delay": 6.395,
      "onscreen_delay": 6.326,
      "typing_delay": 0.069,
      "typing_duration": 11.181,
      "wpm": 48,
      "message": "ก็เป็นพี่น้องกันถูกไหมคะ พ่อเดียวกัน "
    },
    {
      "message_id": 1188,
      "agent_id": 12,
      "delay": 7.179,
      "onscreen_delay": 6.817,
      "typing_delay": 0.362,
      "typing_duration": 11.473,
      "wpm": 68,
      "message": "เป็นลูกพี่ลูกน้องกันนะ เป็นญาติกัน เป็นลูกพี่ลูกน้อง"
    },
    {
      "message_id": 1189,
      "agent_id": 33,
      "delay": 7.471,
      "onscreen_delay": 6.446,
      "typing_delay": 1.025,
      "typing_duration": 14.616,
      "wpm": 3,
      "message": "กัน"
    },
    {
      "message_id": 1190,
      "agent_id": 29,
      "delay": 10.615,
      "onscreen_delay": 3.638,
      "typing_delay": 6.977,
      "typing_duration": 12.172,
      "wpm": 30,
      "message": "ลีฟโหนด ก็คือโหนดล่างสุด"
    },
    {
      "message_id": 1191,
      "agent_id": 13,
      "delay": 8.171,
      "onscreen_delay": 8.171,
      "typing_delay": 0,
      "typing_duration": 11.758,
      "wpm": 69,
      "message": "ไม่มีอะไรทิ่มลงไปแล้ว ไม่มีอะไรแตกออกมาอีกแล้ว โหนดนี้ "
    },
    {
      "message_id": 1192,
      "agent_id": 12,
      "delay": 7.756,
      "onscreen_delay": 7.067,
      "typing_delay": 0.689,
      "typing_duration": 6.723,
      "wpm": 87,
      "message": "ไม่มีอะไรแตกออกมาอีกแล้ว มันสุดท้ายแล้ว "
    },
    {
      "message_id": 1193,
      "agent_id": 33,
      "delay": 3.754,
      "onscreen_delay": 1.957,
      "typing_delay": 1.797,
      "typing_duration": 15.009,
      "wpm": 23,
      "message": "ส่วน ดีกรี ดีกรีคือจำนว"
    },
    {
      "message_id": 1194,
      "agent_id": 29,
      "delay": 11.008,
      "onscreen_delay": 10.089,
      "typing_delay": 0.919,
      "typing_duration": 5.398,
      "wpm": 78,
      "message": "ลูกทั้งหมดของโหนดที่กล่าวถึง "
    },
    {
      "message_id": 1195,
      "agent_id": 13,
      "delay": 7.003,
      "onscreen_delay": 6.741,
      "typing_delay": 0.262,
      "typing_duration": 9.928,
      "wpm": 45,
      "message": "เช่น ดีกรีของ 46 คืออะไร คือ 1 "
    },
    {
      "message_id": 1196,
      "agent_id": 12,
      "delay": 5.927,
      "onscreen_delay": 4.952,
      "typing_delay": 0.975,
      "typing_duration": 10.337,
      "wpm": 48,
      "message": "ดีกรีคือจำนวนลูก ดีกรีคือจำนวนลุก"
    },
    {
      "message_id": 1197,
      "agent_id": 33,
      "delay": 6.335,
      "onscreen_delay": 5.31,
      "typing_delay": 1.025,
      "typing_duration": 9.423,
      "wpm": 30,
      "message": "นะคะ 46 มีลูกอยู่ 1 "
    },
    {
      "message_id": 1198,
      "agent_id": 29,
      "delay": 5.422,
      "onscreen_delay": 5.103,
      "typing_delay": 0.319,
      "typing_duration": 7.374,
      "wpm": 35,
      "message": "13 มีลูกอยู่ 3 47 "
    },
    {
      "message_id": 1199,
      "agent_id": 13,
      "delay": 3.373,
      "onscreen_delay": 2.734,
      "typing_delay": 0.639,
      "typing_duration": 5.616,
      "wpm": 43,
      "message": "มีลูกไหมคะ ไม่มี "
    },
    {
      "message_id": 1200,
      "agent_id": 12,
      "delay": 1.614,
      "onscreen_delay": 0.579,
      "typing_delay": 1.035,
      "typing_duration": 9.043,
      "wpm": 58,
      "message": "77 มีลูกไหม ไม่มี เพราะฉะนั้น ดีกรี"
    },
    {
      "message_id": 1201,
      "agent_id": 33,
      "delay": 5.041,
      "onscreen_delay": 4.174,
      "typing_delay": 0.867,
      "typing_duration": 8.737,
      "wpm": 38,
      "message": "มีค่าเป็นอะไรคะ เป็น 0"
    },
    {
      "message_id": 1202,
      "agent_id": 29,
      "delay": 4.736,
      "onscreen_delay": 3.375,
      "typing_delay": 1.361,
      "typing_duration": 7.287,
      "wpm": 45,
      "message": "มีกระดาษไหม หยิบกระดาษ"
    },
    {
      "message_id": 1203,
      "agent_id": 13,
      "delay": 3.286,
      "onscreen_delay": 3.286,
      "typing_delay": 0,
      "typing_duration": 9.601,
      "wpm": 17,
      "message": "ให้ครูหน่อย "
    },
    {
      "message_id": 1204,
      "agent_id": 12,
      "delay": 5.6,
      "onscreen_delay": 4.574,
      "typing_delay": 1.026,
      "typing_duration": 10.507,
      "wpm": 24,
      "message": "ครูมีรูป ครูมีรูป"
    },
    {
      "message_id": 1205,
      "agent_id": 33,
      "delay": 6.506,
      "onscreen_delay": 5.634,
      "typing_delay": 0.872,
      "typing_duration": 15,
      "wpm": 41,
      "message": "นี้นะคะ เขียนด้านหลังกระดาษที่ครูให้ไปก็ไ"
    },
    {
      "message_id": 1206,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.665,
      "typing_delay": 1.333,
      "typing_duration": 7.793,
      "wpm": 42,
      "message": "ตอบให้ครูหน่อย ... นี่ "
    },
    {
      "message_id": 1207,
      "agent_id": 13,
      "delay": 6.996,
      "onscreen_delay": 5.817,
      "typing_delay": 1.179,
      "typing_duration": 7.62,
      "wpm": 43,
      "message": "ตอบอะไรเอ่ย วาดรูปก่อน"
    },
    {
      "message_id": 1208,
      "agent_id": 12,
      "delay": 3.619,
      "onscreen_delay": 3.278,
      "typing_delay": 0.341,
      "typing_duration": 7.609,
      "wpm": 49,
      "message": "นะ แล้วก็ตอบว่าข้อ 1 โหนด"
    },
    {
      "message_id": 1209,
      "agent_id": 33,
      "delay": 3.608,
      "onscreen_delay": 3.072,
      "typing_delay": 0.536,
      "typing_duration": 15,
      "wpm": 31,
      "message": "คืออะไร ข้อ 2 ข้อ 3 ข้อ 4 ข้อ 5"
    },
    {
      "message_id": 1210,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 6.706,
      "typing_delay": 4.293,
      "typing_duration": 5.661,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1211,
      "agent_id": 13,
      "delay": 6.999,
      "onscreen_delay": 6.518,
      "typing_delay": 0.481,
      "typing_duration": 8.603,
      "wpm": 65,
      "message": "ใครมีสมุด ทำลงสมุดนะคะ วาดรูปด้านซ้าย"
    },
    {
      "message_id": 1212,
      "agent_id": 12,
      "delay": 4.602,
      "onscreen_delay": 4.329,
      "typing_delay": 0.273,
      "typing_duration": 7.844,
      "wpm": 50,
      "message": "ก่อน แล้วก็เขียนตอบด้านขวา "
    },
    {
      "message_id": 1213,
      "agent_id": 33,
      "delay": 3.843,
      "onscreen_delay": 3.029,
      "typing_delay": 0.814,
      "typing_duration": 14.132,
      "wpm": 20,
      "message": "ลอกโจทย์ด้วยนะ เช่น"
    },
    {
      "message_id": 1214,
      "agent_id": 29,
      "delay": 10.13,
      "onscreen_delay": 10.13,
      "typing_delay": 0,
      "typing_duration": 8.129,
      "wpm": 52,
      "message": "ระดับของโหนด 30 คือ... ตอบมา "
    },
    {
      "message_id": 1215,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1216,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1217,
      "agent_id": 33,
      "delay": 11.003,
      "onscreen_delay": 6.018,
      "typing_delay": 4.985,
      "typing_duration": 4.985,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1218,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1219,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1220,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1221,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1222,
      "agent_id": 29,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1223,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1224,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1225,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1226,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1227,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1228,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1229,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1230,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 1.03,
      "typing_delay": 9.968,
      "typing_duration": 9.968,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1231,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1232,
      "agent_id": 12,
      "delay": 10.997,
      "onscreen_delay": 8.139,
      "typing_delay": 2.858,
      "typing_duration": 13.809,
      "wpm": 35,
      "message": "อันนี้ครูก๊อป(ปี้) ก๊อปฯคำอธิบาย"
    },
    {
      "message_id": 1233,
      "agent_id": 33,
      "delay": 9.807,
      "onscreen_delay": 9.253,
      "typing_delay": 0.554,
      "typing_duration": 13.324,
      "wpm": 37,
      "message": "มาให้นะคะ จะได้เห็นด้วย root node "
    },
    {
      "message_id": 1234,
      "agent_id": 29,
      "delay": 9.323,
      "onscreen_delay": 8.829,
      "typing_delay": 0.494,
      "typing_duration": 5.911,
      "wpm": 69,
      "message": "คืออะไร ระดับของโหนดคืออะไร "
    },
    {
      "message_id": 1235,
      "agent_id": 13,
      "delay": 5.322,
      "onscreen_delay": 5.098,
      "typing_delay": 0.224,
      "typing_duration": 3.945,
      "wpm": 46,
      "message": "ดีกรีคืออะไร "
    },
    {
      "message_id": 1236,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1237,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1238,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1239,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1240,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1241,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1242,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1243,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1244,
      "agent_id": 12,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1245,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1246,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1247,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1248,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1249,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1250,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1251,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1252,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1253,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1254,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1255,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1256,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1257,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1258,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1259,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1260,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1261,
      "agent_id": 33,
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      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1440,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1441,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1442,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1443,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1444,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1445,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1446,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1447,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1448,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1449,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1450,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1451,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1452,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1453,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1454,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1455,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1456,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1457,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1458,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1459,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1460,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1461,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1462,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1463,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1464,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1465,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1466,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1467,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1468,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1469,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1470,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1471,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1472,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1473,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1474,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1475,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1476,
      "agent_id": 12,
      "delay": 12.416,
      "onscreen_delay": 0,
      "typing_delay": 12.416,
      "typing_duration": 12.416,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1477,
      "agent_id": 33,
      "delay": 8.413,
      "onscreen_delay": 1.393,
      "typing_delay": 7.02,
      "typing_duration": 7.02,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1478,
      "agent_id": 29,
      "delay": 4.411,
      "onscreen_delay": 3.685,
      "typing_delay": 0.726,
      "typing_duration": 8.818,
      "wpm": 41,
      "message": "คราวนี้ดู ดูอีกทีหนึ่งนะ "
    },
    {
      "message_id": 1479,
      "agent_id": 13,
      "delay": 4.816,
      "onscreen_delay": 3.606,
      "typing_delay": 1.21,
      "typing_duration": 5.059,
      "wpm": 42,
      "message": "ดูอีกทีหนึ่งนะ "
    },
    {
      "message_id": 1480,
      "agent_id": 12,
      "delay": 2.944,
      "onscreen_delay": 0,
      "typing_delay": 2.944,
      "typing_duration": 6.452,
      "wpm": 23,
      "message": "ในโหนดนะคะ "
    },
    {
      "message_id": 1481,
      "agent_id": 33,
      "delay": 2.451,
      "onscreen_delay": 1.883,
      "typing_delay": 0.568,
      "typing_duration": 5.68,
      "wpm": 48,
      "message": "ที่ครูให้ เดี๋ยวนะ"
    },
    {
      "message_id": 1482,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1483,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1484,
      "agent_id": 12,
      "delay": 11.19,
      "onscreen_delay": 0,
      "typing_delay": 11.19,
      "typing_duration": 11.19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1485,
      "agent_id": 33,
      "delay": 10.708,
      "onscreen_delay": 0,
      "typing_delay": 10.708,
      "typing_duration": 10.708,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1486,
      "agent_id": 29,
      "delay": 6.706,
      "onscreen_delay": 4.457,
      "typing_delay": 2.249,
      "typing_duration": 8.817,
      "wpm": 41,
      "message": "จากต้นไม่นะคะ ที่เราเห็น"
    },
    {
      "message_id": 1487,
      "agent_id": 13,
      "delay": 4.814,
      "onscreen_delay": 4.323,
      "typing_delay": 0.491,
      "typing_duration": 9.682,
      "wpm": 54,
      "message": "ต้นนี้นะ จากต้นไม่ต้นนี้ ที่เราเห็น "
    },
    {
      "message_id": 1488,
      "agent_id": 12,
      "delay": 5.68,
      "onscreen_delay": 5.073,
      "typing_delay": 0.607,
      "typing_duration": 8.195,
      "wpm": 33,
      "message": "1 ต้นนี่ ถ้าเราพูด"
    },
    {
      "message_id": 1489,
      "agent_id": 33,
      "delay": 4.194,
      "onscreen_delay": 3.726,
      "typing_delay": 0.468,
      "typing_duration": 6.5,
      "wpm": 32,
      "message": "ถึงพ่อนะคะ พ่อ "
    },
    {
      "message_id": 1490,
      "agent_id": 29,
      "delay": 2.499,
      "onscreen_delay": 2.28,
      "typing_delay": 0.219,
      "typing_duration": 7.746,
      "wpm": 50,
      "message": "แสดงว่าคนที่อยู่สูงกว่าเรา "
    },
    {
      "message_id": 1491,
      "agent_id": 13,
      "delay": 3.744,
      "onscreen_delay": 3.676,
      "typing_delay": 0.068,
      "typing_duration": 11.731,
      "wpm": 58,
      "message": "พ่อของเรานี่ แสดงว่าลำดับชั้นนี่จะอยู่สูงกว่า"
    },
    {
      "message_id": 1492,
      "agent_id": 12,
      "delay": 7.73,
      "onscreen_delay": 7.092,
      "typing_delay": 0.638,
      "typing_duration": 8.139,
      "wpm": 70,
      "message": "ถูกไหมคะ ลูกของเราจะต้องอยู่ต่ำกว่าเรา"
    },
    {
      "message_id": 1493,
      "agent_id": 33,
      "delay": 4.137,
      "onscreen_delay": 2.827,
      "typing_delay": 1.31,
      "typing_duration": 6.71,
      "wpm": 34,
      "message": "นะคะ  อย่างเช่น "
    },
    {
      "message_id": 1494,
      "agent_id": 29,
      "delay": 2.704,
      "onscreen_delay": 1.577,
      "typing_delay": 1.127,
      "typing_duration": 7.791,
      "wpm": 33,
      "message": "55 นะคะ ครูพูดถึง "
    },
    {
      "message_id": 1495,
      "agent_id": 13,
      "delay": 3.79,
      "onscreen_delay": 2.51,
      "typing_delay": 1.28,
      "typing_duration": 6.177,
      "wpm": 49,
      "message": "55 พ่อของ 55 คืออะไร "
    },
    {
      "message_id": 1496,
      "agent_id": 12,
      "delay": 2.176,
      "onscreen_delay": 0.983,
      "typing_delay": 1.193,
      "typing_duration": 7.804,
      "wpm": 56,
      "message": "พ่อก็อยู่ข้างบนถูกไหมคะ ก็คือ "
    },
    {
      "message_id": 1497,
      "agent_id": 33,
      "delay": 3.803,
      "onscreen_delay": 2.84,
      "typing_delay": 0.963,
      "typing_duration": 12.801,
      "wpm": 26,
      "message": "50 ถูกไหม อันนี้คือพ่อ"
    },
    {
      "message_id": 1498,
      "agent_id": 29,
      "delay": 8.8,
      "onscreen_delay": 7.042,
      "typing_delay": 1.758,
      "typing_duration": 8.982,
      "wpm": 42,
      "message": "55 คือ ลูกของ 50 ถูกไหมคะ "
    },
    {
      "message_id": 1499,
      "agent_id": 13,
      "delay": 4.98,
      "onscreen_delay": 4.231,
      "typing_delay": 0.749,
      "typing_duration": 14.148,
      "wpm": 24,
      "message": "ลูกของ 50 ถูกไหมคะ แล้ว"
    },
    {
      "message_id": 1500,
      "agent_id": 12,
      "delay": 10.144,
      "onscreen_delay": 9.29,
      "typing_delay": 0.854,
      "typing_duration": 7.336,
      "wpm": 39,
      "message": "ลูกของ 55 คืออะไรคะ "
    },
    {
      "message_id": 1501,
      "agent_id": 33,
      "delay": 6.14,
      "onscreen_delay": 5.281,
      "typing_delay": 0.859,
      "typing_duration": 12.697,
      "wpm": 30,
      "message": "52 อันนี้คือลุก เห็นไหมคะ"
    },
    {
      "message_id": 1502,
      "agent_id": 29,
      "delay": 8.696,
      "onscreen_delay": 6.439,
      "typing_delay": 2.257,
      "typing_duration": 6.152,
      "wpm": 39,
      "message": "เราพูดถึงโหนดนี้ "
    },
    {
      "message_id": 1503,
      "agent_id": 13,
      "delay": 4.694,
      "onscreen_delay": 4.637,
      "typing_delay": 0.057,
      "typing_duration": 11.93,
      "wpm": 43,
      "message": "เราพูดถึงโหนด 55 พ่อของ 55 คืออะไร "
    },
    {
      "message_id": 1504,
      "agent_id": 12,
      "delay": 7.929,
      "onscreen_delay": 6.603,
      "typing_delay": 1.326,
      "typing_duration": 8.996,
      "wpm": 40,
      "message": "คือ 50 ลูกของ 55 คืออะไร "
    },
    {
      "message_id": 1505,
      "agent_id": 33,
      "delay": 4.994,
      "onscreen_delay": 3.478,
      "typing_delay": 1.516,
      "typing_duration": 8.147,
      "wpm": 22,
      "message": "52 เห็นไหมคะ "
    },
    {
      "message_id": 1506,
      "agent_id": 29,
      "delay": 4.146,
      "onscreen_delay": 4.143,
      "typing_delay": 0.003,
      "typing_duration": 5.195,
      "wpm": 69,
      "message": "มันอยู่ด้านล่างนี่คือลูก "
    },
    {
      "message_id": 1507,
      "agent_id": 13,
      "delay": 2.281,
      "onscreen_delay": 0,
      "typing_delay": 2.281,
      "typing_duration": 7.786,
      "wpm": 17,
      "message": "ถัดมา พ่อ"
    },
    {
      "message_id": 1508,
      "agent_id": 12,
      "delay": 3.785,
      "onscreen_delay": 2.799,
      "typing_delay": 0.986,
      "typing_duration": 12.147,
      "wpm": 56,
      "message": "ของ 70 แสดงว่ามันต้องอยู่ข้างบนใช่ไหม คืออะไร "
    },
    {
      "message_id": 1509,
      "agent_id": 33,
      "delay": 8.145,
      "onscreen_delay": 7.316,
      "typing_delay": 0.829,
      "typing_duration": 6.348,
      "wpm": 35,
      "message": "คือ 40 ใช่ไหมคะ "
    },
    {
      "message_id": 1510,
      "agent_id": 29,
      "delay": 4.143,
      "onscreen_delay": 3.479,
      "typing_delay": 0.664,
      "typing_duration": 10.345,
      "wpm": 23,
      "message": "พ่อของ 70 คือ 40 "
    },
    {
      "message_id": 1511,
      "agent_id": 13,
      "delay": 6.344,
      "onscreen_delay": 6.22,
      "typing_delay": 0.124,
      "typing_duration": 9.851,
      "wpm": 32,
      "message": "แล้วลูกของ 70 คืออะไร "
    },
    {
      "message_id": 1512,
      "agent_id": 12,
      "delay": 5.849,
      "onscreen_delay": 4.647,
      "typing_delay": 1.202,
      "typing_duration": 7.728,
      "wpm": 43,
      "message": "พี่น้อง หมายถึงพี่น้อง"
    },
    {
      "message_id": 1513,
      "agent_id": 33,
      "delay": 3.726,
      "onscreen_delay": 3.272,
      "typing_delay": 0.454,
      "typing_duration": 13.837,
      "wpm": 24,
      "message": "พ่อเดียวกัน พี่น้องคือ"
    },
    {
      "message_id": 1514,
      "agent_id": 29,
      "delay": 9.832,
      "onscreen_delay": 9.568,
      "typing_delay": 0.264,
      "typing_duration": 8.242,
      "wpm": 73,
      "message": "พี่น้องพ่อเดียวกัน พี่น้องของ 20 คืออะไร "
    },
    {
      "message_id": 1515,
      "agent_id": 13,
      "delay": 5.826,
      "onscreen_delay": 3.893,
      "typing_delay": 1.933,
      "typing_duration": 9.692,
      "wpm": 48,
      "message": "70 เพราะอะไร เพราะมีพ่อเดียวกัน "
    },
    {
      "message_id": 1516,
      "agent_id": 12,
      "delay": 5.69,
      "onscreen_delay": 5.338,
      "typing_delay": 0.352,
      "typing_duration": 6.911,
      "wpm": 69,
      "message": "เดียวกันนี่ไง เพราะมีพ่อเดียวกัน "
    },
    {
      "message_id": 1517,
      "agent_id": 33,
      "delay": 2.909,
      "onscreen_delay": 2.463,
      "typing_delay": 0.446,
      "typing_duration": 7.309,
      "wpm": 35,
      "message": "ถึงเป็นพี่น้องกัน"
    },
    {
      "message_id": 1518,
      "agent_id": 29,
      "delay": 3.922,
      "onscreen_delay": 0,
      "typing_delay": 3.922,
      "typing_duration": 3.922,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1519,
      "agent_id": 13,
      "delay": 1.603,
      "onscreen_delay": 0,
      "typing_delay": 1.603,
      "typing_duration": 8.107,
      "wpm": 35,
      "message": "โจทย์ข้อแรก รูตโหนด "
    },
    {
      "message_id": 1520,
      "agent_id": 12,
      "delay": 4.106,
      "onscreen_delay": 3.068,
      "typing_delay": 1.038,
      "typing_duration": 6.375,
      "wpm": 42,
      "message": "รูตคืออะไรคะ ตัวบน"
    },
    {
      "message_id": 1521,
      "agent_id": 33,
      "delay": 2.374,
      "onscreen_delay": 1.791,
      "typing_delay": 0.583,
      "typing_duration": 11.445,
      "wpm": 4,
      "message": "สุด"
    },
    {
      "message_id": 1522,
      "agent_id": 29,
      "delay": 7.444,
      "onscreen_delay": 7.421,
      "typing_delay": 0.023,
      "typing_duration": 10.044,
      "wpm": 57,
      "message": "รูตคือตัวบนสุดใช่ไหมคะ ตัวบนสุดคืออะไร "
    },
    {
      "message_id": 1523,
      "agent_id": 13,
      "delay": 6.042,
      "onscreen_delay": 4.235,
      "typing_delay": 1.807,
      "typing_duration": 6.703,
      "wpm": 9,
      "message": "40 ถ"
    },
    {
      "message_id": 1524,
      "agent_id": 12,
      "delay": 2.703,
      "onscreen_delay": 2.164,
      "typing_delay": 0.539,
      "typing_duration": 8.193,
      "wpm": 37,
      "message": "ถูกไหมคะ บนสุดคือ 40 "
    },
    {
      "message_id": 1525,
      "agent_id": 33,
      "delay": 8.928,
      "onscreen_delay": 0,
      "typing_delay": 8.928,
      "typing_duration": 8.928,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1526,
      "agent_id": 29,
      "delay": 4.927,
      "onscreen_delay": 0.625,
      "typing_delay": 4.302,
      "typing_duration": 5.704,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1527,
      "agent_id": 13,
      "delay": 1.702,
      "onscreen_delay": 0.547,
      "typing_delay": 1.155,
      "typing_duration": 8.241,
      "wpm": 42,
      "message": "พ่อของ 50 พ่อ แสดงว่าดู"
    },
    {
      "message_id": 1528,
      "agent_id": 12,
      "delay": 4.24,
      "onscreen_delay": 3.955,
      "typing_delay": 0.285,
      "typing_duration": 7.271,
      "wpm": 54,
      "message": "ข้างบนนะ พ่อของ 50 คืออะไร "
    },
    {
      "message_id": 1529,
      "agent_id": 33,
      "delay": 3.269,
      "onscreen_delay": 1.12,
      "typing_delay": 2.149,
      "typing_duration": 6.059,
      "wpm": 5,
      "message": "70"
    },
    {
      "message_id": 1530,
      "agent_id": 29,
      "delay": 2.055,
      "onscreen_delay": 0.309,
      "typing_delay": 1.746,
      "typing_duration": 6.43,
      "wpm": 9,
      "message": "นะคะ "
    },
    {
      "message_id": 1531,
      "agent_id": 13,
      "delay": 2.429,
      "onscreen_delay": 2.429,
      "typing_delay": 0,
      "typing_duration": 10.441,
      "wpm": 60,
      "message": "พ่อของ 50 ก็อยู่ด้านบน ถูกเปล่า อยู่ด้านบน"
    },
    {
      "message_id": 1532,
      "agent_id": 12,
      "delay": 6.441,
      "onscreen_delay": 6.061,
      "typing_delay": 0.38,
      "typing_duration": 7.022,
      "wpm": 75,
      "message": "ตัวเองน่ะ ตัวเองเชื่อมมาจากเส้นอะไร "
    },
    {
      "message_id": 1533,
      "agent_id": 33,
      "delay": 3.021,
      "onscreen_delay": 2.39,
      "typing_delay": 0.631,
      "typing_duration": 4.413,
      "wpm": 27,
      "message": "ก็คือ 70 "
    },
    {
      "message_id": 1534,
      "agent_id": 29,
      "delay": 3.749,
      "onscreen_delay": 0,
      "typing_delay": 3.749,
      "typing_duration": 5.732,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1535,
      "agent_id": 13,
      "delay": 1.732,
      "onscreen_delay": 1.674,
      "typing_delay": 0.058,
      "typing_duration": 8.495,
      "wpm": 49,
      "message": "ถัดมา ลีฟโหนด คือ โหนดที่ไม่"
    },
    {
      "message_id": 1536,
      "agent_id": 12,
      "delay": 4.491,
      "onscreen_delay": 3.552,
      "typing_delay": 0.939,
      "typing_duration": 9.024,
      "wpm": 58,
      "message": "มีลูก ก็คือไม่มีอะไรต่อท้ายลงไปแล้ว "
    },
    {
      "message_id": 1537,
      "agent_id": 33,
      "delay": 5.022,
      "onscreen_delay": 3.327,
      "typing_delay": 1.695,
      "typing_duration": 13.542,
      "wpm": 49,
      "message": "โหนดที่ไม่มีอะไรต่อท้ายตัวเอง คือไม่มีลูกน่ะ"
    },
    {
      "message_id": 1538,
      "agent_id": 29,
      "delay": 9.54,
      "onscreen_delay": 8.975,
      "typing_delay": 0.565,
      "typing_duration": 11.187,
      "wpm": 46,
      "message": "มันสิ้นสุดที่ตัวเอง มันไม่มีอะไรไป"
    },
    {
      "message_id": 1539,
      "agent_id": 13,
      "delay": 7.186,
      "onscreen_delay": 7.035,
      "typing_delay": 0.151,
      "typing_duration": 11.403,
      "wpm": 55,
      "message": "ต่อท้ายแล้ว เพราะฉะนั้น ลีฟโหนดเรามีกี่ตัว "
    },
    {
      "message_id": 1540,
      "agent_id": 12,
      "delay": 7.402,
      "onscreen_delay": 6.273,
      "typing_delay": 1.129,
      "typing_duration": 6.134,
      "wpm": 42,
      "message": "3 ตัว ก็คืออะไรคะ "
    },
    {
      "message_id": 1541,
      "agent_id": 33,
      "delay": 3.401,
      "onscreen_delay": 2.598,
      "typing_delay": 0.803,
      "typing_duration": 6.496,
      "wpm": 14,
      "message": "30, 45"
    },
    {
      "message_id": 1542,
      "agent_id": 29,
      "delay": 2.495,
      "onscreen_delay": 1.855,
      "typing_delay": 0.64,
      "typing_duration": 5.351,
      "wpm": 17,
      "message": "แล้วก็ "
    },
    {
      "message_id": 1543,
      "agent_id": 13,
      "delay": 1.349,
      "onscreen_delay": 1.349,
      "typing_delay": 0,
      "typing_duration": 4.434,
      "wpm": 7,
      "message": "52 "
    },
    {
      "message_id": 1544,
      "agent_id": 12,
      "delay": 0.433,
      "onscreen_delay": 0.227,
      "typing_delay": 0.206,
      "typing_duration": 7.868,
      "wpm": 59,
      "message": "ก็คือตัวที่ไม่มีลูกน่ะ ไม่มีลูก"
    },
    {
      "message_id": 1545,
      "agent_id": 33,
      "delay": 3.866,
      "onscreen_delay": 3.006,
      "typing_delay": 0.86,
      "typing_duration": 8.801,
      "wpm": 49,
      "message": "นี่ ไม่มีลูก อันนี้ก็ไม่มีลูก"
    },
    {
      "message_id": 1546,
      "agent_id": 29,
      "delay": 4.8,
      "onscreen_delay": 0.198,
      "typing_delay": 4.602,
      "typing_duration": 4.602,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1547,
      "agent_id": 13,
      "delay": 1.729,
      "onscreen_delay": 0,
      "typing_delay": 1.729,
      "typing_duration": 9.659,
      "wpm": 20,
      "message": "ถัดมา พี่น้อง "
    },
    {
      "message_id": 1548,
      "agent_id": 12,
      "delay": 5.658,
      "onscreen_delay": 4.774,
      "typing_delay": 0.884,
      "typing_duration": 7.776,
      "wpm": 48,
      "message": "พูดถึงพี่น้องต้องพ่อเดียว"
    },
    {
      "message_id": 1549,
      "agent_id": 33,
      "delay": 3.774,
      "onscreen_delay": 3.393,
      "typing_delay": 0.381,
      "typing_duration": 10.196,
      "wpm": 40,
      "message": "กัน พี่น้องของ 45 คืออะไรคะ "
    },
    {
      "message_id": 1550,
      "agent_id": 29,
      "delay": 6.195,
      "onscreen_delay": 4.869,
      "typing_delay": 1.326,
      "typing_duration": 3.947,
      "wpm": 8,
      "message": "55 "
    },
    {
      "message_id": 1551,
      "agent_id": 13,
      "delay": 5.468,
      "onscreen_delay": 0,
      "typing_delay": 5.468,
      "typing_duration": 7.783,
      "wpm": 17,
      "message": "เพราะอะไร "
    },
    {
      "message_id": 1552,
      "agent_id": 12,
      "delay": 3.78,
      "onscreen_delay": 0.847,
      "typing_delay": 2.933,
      "typing_duration": 6.102,
      "wpm": 39,
      "message": "เพราะพ่อเดียวกัน "
    },
    {
      "message_id": 1553,
      "agent_id": 33,
      "delay": 2.098,
      "onscreen_delay": 1.256,
      "typing_delay": 0.842,
      "typing_duration": 6.736,
      "wpm": 18,
      "message": "เดี๋ยวนะ"
    },
    {
      "message_id": 1554,
      "agent_id": 29,
      "delay": 2.735,
      "onscreen_delay": 2.047,
      "typing_delay": 0.688,
      "typing_duration": 7.16,
      "wpm": 40,
      "message": "นี่ไง พี่น้องของ 45 "
    },
    {
      "message_id": 1555,
      "agent_id": 13,
      "delay": 3.158,
      "onscreen_delay": 2.518,
      "typing_delay": 0.64,
      "typing_duration": 7.97,
      "wpm": 72,
      "message": "ก็คือ 55 เพราะมันพ่อเดียวกันไง พ่อ คือ "
    },
    {
      "message_id": 1556,
      "agent_id": 12,
      "delay": 3.969,
      "onscreen_delay": 3.072,
      "typing_delay": 0.897,
      "typing_duration": 5.636,
      "wpm": 5,
      "message": "50 "
    },
    {
      "message_id": 1557,
      "agent_id": 33,
      "delay": 4.547,
      "onscreen_delay": 0,
      "typing_delay": 4.547,
      "typing_duration": 6.739,
      "wpm": 16,
      "message": "ต่อนะคะ"
    },
    {
      "message_id": 1558,
      "agent_id": 29,
      "delay": 3.955,
      "onscreen_delay": 0,
      "typing_delay": 3.955,
      "typing_duration": 3.955,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1559,
      "agent_id": 13,
      "delay": 4.656,
      "onscreen_delay": 0,
      "typing_delay": 4.656,
      "typing_duration": 4.656,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1560,
      "agent_id": 12,
      "delay": 1.061,
      "onscreen_delay": 0,
      "typing_delay": 1.061,
      "typing_duration": 6.148,
      "wpm": 41,
      "message": "พี่น้องของ 50 นี่"
    },
    {
      "message_id": 1561,
      "agent_id": 33,
      "delay": 2.143,
      "onscreen_delay": 1.293,
      "typing_delay": 0.85,
      "typing_duration": 15,
      "wpm": 32,
      "message": "ดูสิ 50 มีพ่อคือ 40 ใช่หรือเปล่า "
    },
    {
      "message_id": 1562,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 10.531,
      "typing_delay": 0.466,
      "typing_duration": 6.901,
      "wpm": 52,
      "message": "มีพ่อคือ 70 มีพี่น้องไหม "
    },
    {
      "message_id": 1563,
      "agent_id": 13,
      "delay": 6.994,
      "onscreen_delay": 6.234,
      "typing_delay": 0.76,
      "typing_duration": 5.67,
      "wpm": 58,
      "message": "ไม่มี ไม่มีพี่น้องนะคะ "
    },
    {
      "message_id": 1564,
      "agent_id": 12,
      "delay": 2.993,
      "onscreen_delay": 2.683,
      "typing_delay": 0.31,
      "typing_duration": 8.539,
      "wpm": 42,
      "message": "เป็นลูกคนเดียว หรือขีด - "
    },
    {
      "message_id": 1565,
      "agent_id": 33,
      "delay": 4.538,
      "onscreen_delay": 3.889,
      "typing_delay": 0.649,
      "typing_duration": 11.553,
      "wpm": 40,
      "message": "ไม่มีพี่น้อง เป็นลูกคนเดียวนะคะ"
    },
    {
      "message_id": 1566,
      "agent_id": 29,
      "delay": 7.552,
      "onscreen_delay": 3.159,
      "typing_delay": 4.393,
      "typing_duration": 4.393,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1567,
      "agent_id": 13,
      "delay": 6.553,
      "onscreen_delay": 0,
      "typing_delay": 6.553,
      "typing_duration": 6.553,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1568,
      "agent_id": 12,
      "delay": 2.552,
      "onscreen_delay": 1.205,
      "typing_delay": 1.347,
      "typing_duration": 6.562,
      "wpm": 23,
      "message": "ถัดมาระดับ"
    },
    {
      "message_id": 1569,
      "agent_id": 33,
      "delay": 2.561,
      "onscreen_delay": 2.005,
      "typing_delay": 0.556,
      "typing_duration": 10.149,
      "wpm": 43,
      "message": "ของ 30 คืออะไร ระดับคืออะไรคะ"
    },
    {
      "message_id": 1570,
      "agent_id": 29,
      "delay": 6.148,
      "onscreen_delay": 4.962,
      "typing_delay": 1.186,
      "typing_duration": 7.923,
      "wpm": 27,
      "message": "ชั้น ลำดับชั้น"
    },
    {
      "message_id": 1571,
      "agent_id": 13,
      "delay": 3.922,
      "onscreen_delay": 3.035,
      "typing_delay": 0.887,
      "typing_duration": 9.374,
      "wpm": 56,
      "message": "จากรูตโหนด โดยเริ่มต้นที่ 0 ชั้นนี้"
    },
    {
      "message_id": 1572,
      "agent_id": 12,
      "delay": 5.373,
      "onscreen_delay": 4.387,
      "typing_delay": 0.986,
      "typing_duration": 10.484,
      "wpm": 56,
      "message": "มีระดับเป็น 0 ใช่ไหมคะ ชั้นนี้ระดับเป็น "
    },
    {
      "message_id": 1573,
      "agent_id": 33,
      "delay": 6.482,
      "onscreen_delay": 5.59,
      "typing_delay": 0.892,
      "typing_duration": 14.239,
      "wpm": 23,
      "message": "1 ชั้นถัดมาระดับเป็น 2"
    },
    {
      "message_id": 1574,
      "agent_id": 29,
      "delay": 10.237,
      "onscreen_delay": 9.781,
      "typing_delay": 0.456,
      "typing_duration": 5.333,
      "wpm": 42,
      "message": "แล้วก็เป็น 3 30 "
    },
    {
      "message_id": 1575,
      "agent_id": 13,
      "delay": 6.235,
      "onscreen_delay": 5.935,
      "typing_delay": 0.3,
      "typing_duration": 7.67,
      "wpm": 43,
      "message": "อยู่ระดับไหนคะ ระดับ 2 "
    },
    {
      "message_id": 1576,
      "agent_id": 12,
      "delay": 7.334,
      "onscreen_delay": 0,
      "typing_delay": 7.334,
      "typing_duration": 7.334,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1577,
      "agent_id": 33,
      "delay": 3.349,
      "onscreen_delay": 0,
      "typing_delay": 3.349,
      "typing_duration": 9.389,
      "wpm": 3,
      "message": "55 "
    },
    {
      "message_id": 1578,
      "agent_id": 29,
      "delay": 5.388,
      "onscreen_delay": 5.308,
      "typing_delay": 0.08,
      "typing_duration": 7.5,
      "wpm": 68,
      "message": "ดีกรีคืออะไรคะ จำนวนลูก มีลูกกี่คน "
    },
    {
      "message_id": 1579,
      "agent_id": 13,
      "delay": 3.496,
      "onscreen_delay": 2.459,
      "typing_delay": 1.037,
      "typing_duration": 6.98,
      "wpm": 45,
      "message": "55 มีลูกกี่คน คนเดียว"
    },
    {
      "message_id": 1580,
      "agent_id": 12,
      "delay": 2.978,
      "onscreen_delay": 2.397,
      "typing_delay": 0.581,
      "typing_duration": 9.28,
      "wpm": 16,
      "message": "นะคะ นี่ไง "
    },
    {
      "message_id": 1581,
      "agent_id": 33,
      "delay": 5.279,
      "onscreen_delay": 4.455,
      "typing_delay": 0.824,
      "typing_duration": 13.292,
      "wpm": 34,
      "message": "55 มีลูกกี่คน มีลูกคนเดียวนะคะ "
    },
    {
      "message_id": 1582,
      "agent_id": 29,
      "delay": 9.291,
      "onscreen_delay": 8.589,
      "typing_delay": 0.702,
      "typing_duration": 6.332,
      "wpm": 76,
      "message": "เห็นไหมก็ตอบ 1 ดีกรีของ 55 คือ 1 "
    },
    {
      "message_id": 1583,
      "agent_id": 13,
      "delay": 5.288,
      "onscreen_delay": 3.794,
      "typing_delay": 1.494,
      "typing_duration": 4.549,
      "wpm": 16,
      "message": "คือ 1 "
    },
    {
      "message_id": 1584,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1585,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 0.246,
      "typing_delay": 10.754,
      "typing_duration": 10.754,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1586,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1587,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1588,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1589,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 0.66,
      "typing_delay": 10.338,
      "typing_duration": 10.338,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1590,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1591,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1592,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1593,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1594,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1595,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1596,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1597,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1598,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1599,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1600,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1601,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1602,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1603,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1604,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1605,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 9.357,
      "typing_delay": 1.641,
      "typing_duration": 8.422,
      "wpm": 28,
      "message": "ดูนะคะ ครูให้วาด"
    },
    {
      "message_id": 1606,
      "agent_id": 29,
      "delay": 6.996,
      "onscreen_delay": 6.878,
      "typing_delay": 0.118,
      "typing_duration": 6.749,
      "wpm": 38,
      "message": "ต้นไม่เครือญาตินะ "
    },
    {
      "message_id": 1607,
      "agent_id": 13,
      "delay": 2.995,
      "onscreen_delay": 2.947,
      "typing_delay": 0.048,
      "typing_duration": 11.189,
      "wpm": 44,
      "message": "สมชายเป็นต้นตระกูล สมชายอยู่บนสุด "
    },
    {
      "message_id": 1608,
      "agent_id": 12,
      "delay": 7.188,
      "onscreen_delay": 6.794,
      "typing_delay": 0.394,
      "typing_duration": 13.067,
      "wpm": 31,
      "message": "สมชายมีลูก 2 คน คือ A กับ B "
    },
    {
      "message_id": 1609,
      "agent_id": 33,
      "delay": 9.066,
      "onscreen_delay": 6.993,
      "typing_delay": 2.073,
      "typing_duration": 15,
      "wpm": 18,
      "message": "A มีลุก 1 คน ชือ c"
    },
    {
      "message_id": 1610,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 8.553,
      "typing_delay": 2.446,
      "typing_duration": 10.062,
      "wpm": 1,
      "message": "B "
    },
    {
      "message_id": 1611,
      "agent_id": 13,
      "delay": 6.998,
      "onscreen_delay": 6.986,
      "typing_delay": 0.012,
      "typing_duration": 7.553,
      "wpm": 48,
      "message": "มีลูดอีก 3 คน ชื่อ D E F "
    },
    {
      "message_id": 1612,
      "agent_id": 12,
      "delay": 3.551,
      "onscreen_delay": 3.182,
      "typing_delay": 0.369,
      "typing_duration": 9.074,
      "wpm": 41,
      "message": "และ F ก็มีลูก 1 คน ชื่อ Z "
    },
    {
      "message_id": 1613,
      "agent_id": 33,
      "delay": 5.073,
      "onscreen_delay": 4.252,
      "typing_delay": 0.821,
      "typing_duration": 15,
      "wpm": 25,
      "message": "วาดต้นไม้เครือญาติให้ครูห"
    },
    {
      "message_id": 1614,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 10.494,
      "typing_delay": 0.503,
      "typing_duration": 14.641,
      "wpm": 33,
      "message": "เราเริ่มต้นถูกไหมคะ ต้นตระกูลของ"
    },
    {
      "message_id": 1615,
      "agent_id": 13,
      "delay": 10.639,
      "onscreen_delay": 10.332,
      "typing_delay": 0.307,
      "typing_duration": 8.376,
      "wpm": 56,
      "message": "คือใคร คือ สมชาย เพราะทุกคนต้อง"
    },
    {
      "message_id": 1616,
      "agent_id": 12,
      "delay": 6.638,
      "onscreen_delay": 6.275,
      "typing_delay": 0.363,
      "typing_duration": 10.77,
      "wpm": 60,
      "message": "มีสมชายเป็นจุดเริ่มต้นนะคะ เป็นต้นตระกูลของ"
    },
    {
      "message_id": 1617,
      "agent_id": 33,
      "delay": 6.768,
      "onscreen_delay": 5.574,
      "typing_delay": 1.194,
      "typing_duration": 10.977,
      "wpm": 33,
      "message": "บ้านน้อย สมชายมีลุกกี่คน"
    },
    {
      "message_id": 1618,
      "agent_id": 29,
      "delay": 6.976,
      "onscreen_delay": 5.544,
      "typing_delay": 1.432,
      "typing_duration": 9.425,
      "wpm": 18,
      "message": "2 คน ใช่ไหม"
    },
    {
      "message_id": 1619,
      "agent_id": 13,
      "delay": 5.423,
      "onscreen_delay": 4.351,
      "typing_delay": 1.072,
      "typing_duration": 8.891,
      "wpm": 51,
      "message": "ช่วยครูวาดต่อหน่อย คือ A กับ B "
    },
    {
      "message_id": 1620,
      "agent_id": 12,
      "delay": 4.89,
      "onscreen_delay": 3.493,
      "typing_delay": 1.397,
      "typing_duration": 8.237,
      "wpm": 36,
      "message": "เราวาดต่อให้ครูหน่อย "
    },
    {
      "message_id": 1621,
      "agent_id": 33,
      "delay": 4.236,
      "onscreen_delay": 1.343,
      "typing_delay": 2.893,
      "typing_duration": 10.393,
      "wpm": 27,
      "message": "A มีลูก 1 คน ชื่อ C"
    },
    {
      "message_id": 1622,
      "agent_id": 29,
      "delay": 6.391,
      "onscreen_delay": 6.242,
      "typing_delay": 0.149,
      "typing_duration": 4.014,
      "wpm": 22,
      "message": "ชื่อ C "
    },
    {
      "message_id": 1623,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1624,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1625,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 4.627,
      "typing_delay": 6.37,
      "typing_duration": 6.37,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1626,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1627,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1628,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 0.179,
      "typing_delay": 10.82,
      "typing_duration": 10.82,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1629,
      "agent_id": 33,
      "delay": 11.554,
      "onscreen_delay": 0,
      "typing_delay": 11.554,
      "typing_duration": 11.554,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1630,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1631,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1632,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1633,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 4.033,
      "typing_delay": 6.967,
      "typing_duration": 6.967,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1634,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1635,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1636,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1637,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1638,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1639,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1640,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1641,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 6.427,
      "typing_delay": 4.571,
      "typing_duration": 4.571,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1642,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1643,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1644,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1645,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.639,
      "typing_delay": 4.36,
      "typing_duration": 4.36,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1646,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1647,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1648,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1649,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1650,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1651,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1652,
      "agent_id": 12,
      "delay": 11.886,
      "onscreen_delay": 0,
      "typing_delay": 11.886,
      "typing_duration": 11.886,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1653,
      "agent_id": 33,
      "delay": 7.883,
      "onscreen_delay": 1.026,
      "typing_delay": 6.857,
      "typing_duration": 6.857,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1654,
      "agent_id": 29,
      "delay": 3.88,
      "onscreen_delay": 1.318,
      "typing_delay": 2.562,
      "typing_duration": 6.568,
      "wpm": 11,
      "message": "สมชาย"
    },
    {
      "message_id": 1655,
      "agent_id": 13,
      "delay": 2.566,
      "onscreen_delay": 2.509,
      "typing_delay": 0.057,
      "typing_duration": 6.72,
      "wpm": 69,
      "message": "มีลูก 2 คน คือ A กับ B ใช่ไหมคะ "
    },
    {
      "message_id": 1656,
      "agent_id": 12,
      "delay": 2.718,
      "onscreen_delay": 0.895,
      "typing_delay": 1.823,
      "typing_duration": 7.933,
      "wpm": 38,
      "message": "A มีลูกกี่คน มีลูก 1 "
    },
    {
      "message_id": 1657,
      "agent_id": 33,
      "delay": 3.932,
      "onscreen_delay": 3.282,
      "typing_delay": 0.65,
      "typing_duration": 11.985,
      "wpm": 43,
      "message": "คน ใช่ไหมคะ ก็ลากต่อจาก A ใช่ไหมคะ"
    },
    {
      "message_id": 1658,
      "agent_id": 29,
      "delay": 7.983,
      "onscreen_delay": 7.901,
      "typing_delay": 0.082,
      "typing_duration": 9.217,
      "wpm": 85,
      "message": "เพราะมันเป็นลูฏของ A น่ะ มาลากออกเป็นลูกคนอื่นไม่ได้ "
    },
    {
      "message_id": 1659,
      "agent_id": 13,
      "delay": 5.216,
      "onscreen_delay": 4.476,
      "typing_delay": 0.74,
      "typing_duration": 10.683,
      "wpm": 49,
      "message": "เราก็วาดออกจาก A เพราะ A มีลูก 1 คน "
    },
    {
      "message_id": 1660,
      "agent_id": 12,
      "delay": 6.679,
      "onscreen_delay": 4.917,
      "typing_delay": 1.762,
      "typing_duration": 8.211,
      "wpm": 26,
      "message": "B มีลูกกี่คน 3 "
    },
    {
      "message_id": 1661,
      "agent_id": 33,
      "delay": 4.211,
      "onscreen_delay": 3.461,
      "typing_delay": 0.75,
      "typing_duration": 13.242,
      "wpm": 32,
      "message": "คน เพราะฉะนั้น ต้องมีกี่เส้น "
    },
    {
      "message_id": 1662,
      "agent_id": 29,
      "delay": 9.239,
      "onscreen_delay": 8.533,
      "typing_delay": 0.706,
      "typing_duration": 8.344,
      "wpm": 32,
      "message": "3 เส้นนะคะ เห็นไหม "
    },
    {
      "message_id": 1663,
      "agent_id": 13,
      "delay": 5.238,
      "onscreen_delay": 5.108,
      "typing_delay": 0.13,
      "typing_duration": 10.627,
      "wpm": 38,
      "message": "ครูก็มีเส้นจาก B 3 เส้นนะคะ "
    },
    {
      "message_id": 1664,
      "agent_id": 12,
      "delay": 6.626,
      "onscreen_delay": 5.24,
      "typing_delay": 1.386,
      "typing_duration": 6.68,
      "wpm": 43,
      "message": "วาดลูกก่อน ลูกคนแรก"
    },
    {
      "message_id": 1665,
      "agent_id": 33,
      "delay": 2.679,
      "onscreen_delay": 2.193,
      "typing_delay": 0.486,
      "typing_duration": 12.396,
      "wpm": 19,
      "message": "ชื่อ D, E แล้วก็"
    },
    {
      "message_id": 1666,
      "agent_id": 29,
      "delay": 8.395,
      "onscreen_delay": 7.357,
      "typing_delay": 1.038,
      "typing_duration": 4.158,
      "wpm": 36,
      "message": "F ใช่ไหมคะ "
    },
    {
      "message_id": 1667,
      "agent_id": 13,
      "delay": 4.393,
      "onscreen_delay": 2.738,
      "typing_delay": 1.655,
      "typing_duration": 12.533,
      "wpm": 47,
      "message": "คนอื่นไม่มีลูกเลยนะ D กับ E ไม่มีลูกเลย "
    },
    {
      "message_id": 1668,
      "agent_id": 12,
      "delay": 8.531,
      "onscreen_delay": 7.93,
      "typing_delay": 0.601,
      "typing_duration": 7.773,
      "wpm": 68,
      "message": "แต่ F คนเดียวที่มีลูกใช่ไหมคะ ก็คือ "
    },
    {
      "message_id": 1669,
      "agent_id": 33,
      "delay": 4.53,
      "onscreen_delay": 2.403,
      "typing_delay": 2.127,
      "typing_duration": 4.469,
      "wpm": 3,
      "message": "Z "
    },
    {
      "message_id": 1670,
      "agent_id": 29,
      "delay": 2.645,
      "onscreen_delay": 0,
      "typing_delay": 2.645,
      "typing_duration": 10.325,
      "wpm": 9,
      "message": "อันนี้"
    },
    {
      "message_id": 1671,
      "agent_id": 13,
      "delay": 6.323,
      "onscreen_delay": 6.106,
      "typing_delay": 0.217,
      "typing_duration": 11.783,
      "wpm": 51,
      "message": "เครือญาติของบ้านสมชายใช่ไหมคะ เป็นแบบนี้ "
    },
    {
      "message_id": 1672,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1673,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.136,
      "typing_delay": 4.863,
      "typing_duration": 4.863,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1674,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1675,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1676,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1677,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1678,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1679,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1680,
      "agent_id": 12,
      "delay": 14.846,
      "onscreen_delay": 0,
      "typing_delay": 14.846,
      "typing_duration": 14.846,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1681,
      "agent_id": 33,
      "delay": 10.843,
      "onscreen_delay": 4.25,
      "typing_delay": 6.593,
      "typing_duration": 6.593,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1682,
      "agent_id": 29,
      "delay": 6.842,
      "onscreen_delay": 3.845,
      "typing_delay": 2.997,
      "typing_duration": 5.915,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1683,
      "agent_id": 13,
      "delay": 2.84,
      "onscreen_delay": 2.659,
      "typing_delay": 0.181,
      "typing_duration": 8.173,
      "wpm": 50,
      "message": "ครูถามต่อ จากรูปนี้ รูตโหนด"
    },
    {
      "message_id": 1684,
      "agent_id": 12,
      "delay": 4.171,
      "onscreen_delay": 3.478,
      "typing_delay": 0.693,
      "typing_duration": 6.2,
      "wpm": 41,
      "message": "คืออะไรคะ รูตโหนด"
    },
    {
      "message_id": 1685,
      "agent_id": 33,
      "delay": 2.199,
      "onscreen_delay": 1.539,
      "typing_delay": 0.66,
      "typing_duration": 11.205,
      "wpm": 23,
      "message": "คืออะไร ก็คือโหนด"
    },
    {
      "message_id": 1686,
      "agent_id": 29,
      "delay": 7.204,
      "onscreen_delay": 6.676,
      "typing_delay": 0.528,
      "typing_duration": 5.877,
      "wpm": 18,
      "message": "ที่ชื่อ"
    },
    {
      "message_id": 1687,
      "agent_id": 13,
      "delay": 3.203,
      "onscreen_delay": 3.054,
      "typing_delay": 0.149,
      "typing_duration": 8.272,
      "wpm": 56,
      "message": "สมชาย ถูกไหม ก็เขาอยู่บนสุด เขา"
    },
    {
      "message_id": 1688,
      "agent_id": 12,
      "delay": 4.27,
      "onscreen_delay": 3.769,
      "typing_delay": 0.501,
      "typing_duration": 5.01,
      "wpm": 81,
      "message": "เป็นต้นตระกูลของบ้านหลังนี้ "
    },
    {
      "message_id": 1689,
      "agent_id": 33,
      "delay": 2.946,
      "onscreen_delay": 0,
      "typing_delay": 2.946,
      "typing_duration": 14.407,
      "wpm": 17,
      "message": "ลิฟโหนดคืออะไรคะ"
    },
    {
      "message_id": 1690,
      "agent_id": 29,
      "delay": 10.406,
      "onscreen_delay": 5.273,
      "typing_delay": 5.133,
      "typing_duration": 10.311,
      "wpm": 10,
      "message": "ลีฟโหนด "
    },
    {
      "message_id": 1691,
      "agent_id": 13,
      "delay": 6.401,
      "onscreen_delay": 5.005,
      "typing_delay": 1.396,
      "typing_duration": 8.429,
      "wpm": 46,
      "message": "ลีฟโหนด คือโหลดที่มีลูกไหม "
    },
    {
      "message_id": 1692,
      "agent_id": 12,
      "delay": 4.425,
      "onscreen_delay": 3.653,
      "typing_delay": 0.772,
      "typing_duration": 6.738,
      "wpm": 65,
      "message": "เพราะฉะนั้น อันไหนที่ไม่มีลูก "
    },
    {
      "message_id": 1693,
      "agent_id": 33,
      "delay": 2.737,
      "onscreen_delay": 1.638,
      "typing_delay": 1.099,
      "typing_duration": 13.979,
      "wpm": 5,
      "message": "C, D,"
    },
    {
      "message_id": 1694,
      "agent_id": 29,
      "delay": 9.978,
      "onscreen_delay": 9.927,
      "typing_delay": 0.051,
      "typing_duration": 7.299,
      "wpm": 21,
      "message": "E แล้วก็ Z "
    },
    {
      "message_id": 1695,
      "agent_id": 13,
      "delay": 5.972,
      "onscreen_delay": 5.324,
      "typing_delay": 0.648,
      "typing_duration": 9.586,
      "wpm": 59,
      "message": "เห็นไหมคะ คนเหล่านี้เป็นโสด ถ้าเทียบนะ "
    },
    {
      "message_id": 1696,
      "agent_id": 12,
      "delay": 5.584,
      "onscreen_delay": 5.348,
      "typing_delay": 0.236,
      "typing_duration": 8.188,
      "wpm": 73,
      "message": "คนเหล่านี้เป็นโสดยังไม่ได้แต่งงานเลยนะคะ "
    },
    {
      "message_id": 1697,
      "agent_id": 33,
      "delay": 4.183,
      "onscreen_delay": 3.322,
      "typing_delay": 0.861,
      "typing_duration": 8.965,
      "wpm": 37,
      "message": "ยังเป็นโสดอยู่ไม่มีลูก"
    },
    {
      "message_id": 1698,
      "agent_id": 29,
      "delay": 10.581,
      "onscreen_delay": 0,
      "typing_delay": 10.581,
      "typing_duration": 10.581,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1699,
      "agent_id": 13,
      "delay": 6.579,
      "onscreen_delay": 4.029,
      "typing_delay": 2.55,
      "typing_duration": 6.584,
      "wpm": 43,
      "message": "พี่น้องของ D คือใคร "
    },
    {
      "message_id": 1700,
      "agent_id": 12,
      "delay": 2.583,
      "onscreen_delay": 0.459,
      "typing_delay": 2.124,
      "typing_duration": 5.901,
      "wpm": 56,
      "message": "พี่น้องของ D มีใครบ้าง "
    },
    {
      "message_id": 1701,
      "agent_id": 33,
      "delay": 4.191,
      "onscreen_delay": 0,
      "typing_delay": 4.191,
      "typing_duration": 15,
      "wpm": 4,
      "message": "D Do"
    },
    {
      "message_id": 1702,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.553,
      "typing_delay": 0.446,
      "typing_duration": 4.689,
      "wpm": 16,
      "message": "D Dog "
    },
    {
      "message_id": 1703,
      "agent_id": 13,
      "delay": 6.997,
      "onscreen_delay": 5.986,
      "typing_delay": 1.011,
      "typing_duration": 7.048,
      "wpm": 57,
      "message": "พี่น้องของ D. Dog มีใครบ้าง "
    },
    {
      "message_id": 1704,
      "agent_id": 12,
      "delay": 3.047,
      "onscreen_delay": 2.468,
      "typing_delay": 0.579,
      "typing_duration": 7.57,
      "wpm": 32,
      "message": "E กับ F ใช่ไหมคะ "
    },
    {
      "message_id": 1705,
      "agent_id": 33,
      "delay": 3.568,
      "onscreen_delay": 2.386,
      "typing_delay": 1.182,
      "typing_duration": 9.031,
      "wpm": 27,
      "message": "พี่น้องของ D Dog"
    },
    {
      "message_id": 1706,
      "agent_id": 29,
      "delay": 5.03,
      "onscreen_delay": 1.117,
      "typing_delay": 3.913,
      "typing_duration": 3.913,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1707,
      "agent_id": 13,
      "delay": 6.894,
      "onscreen_delay": 0,
      "typing_delay": 6.894,
      "typing_duration": 6.894,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1708,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1709,
      "agent_id": 33,
      "delay": 10.994,
      "onscreen_delay": 5.328,
      "typing_delay": 5.666,
      "typing_duration": 5.666,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1710,
      "agent_id": 29,
      "delay": 6.992,
      "onscreen_delay": 2.794,
      "typing_delay": 4.198,
      "typing_duration": 12.42,
      "wpm": 1,
      "message": "C "
    },
    {
      "message_id": 1711,
      "agent_id": 13,
      "delay": 8.415,
      "onscreen_delay": 7.656,
      "typing_delay": 0.759,
      "typing_duration": 9.827,
      "wpm": 53,
      "message": "มีพี่น้องไหมคะ C มีพี่น้องไหม ไม่มี "
    },
    {
      "message_id": 1712,
      "agent_id": 12,
      "delay": 5.824,
      "onscreen_delay": 4.86,
      "typing_delay": 0.964,
      "typing_duration": 10.169,
      "wpm": 30,
      "message": "C ไม่มีพี่น้องนะคะ C "
    },
    {
      "message_id": 1713,
      "agent_id": 33,
      "delay": 6.166,
      "onscreen_delay": 5.595,
      "typing_delay": 0.571,
      "typing_duration": 13.689,
      "wpm": 30,
      "message": "ไม่มีพี่น้อง Z มีพี่น้องไหม"
    },
    {
      "message_id": 1714,
      "agent_id": 29,
      "delay": 9.688,
      "onscreen_delay": 8.65,
      "typing_delay": 1.038,
      "typing_duration": 10.971,
      "wpm": 41,
      "message": "ไม่มีเป็นลูกคนเดียวเหมือนกัน Z "
    },
    {
      "message_id": 1715,
      "agent_id": 13,
      "delay": 6.97,
      "onscreen_delay": 6.566,
      "typing_delay": 0.404,
      "typing_duration": 4.597,
      "wpm": 52,
      "message": "ก็เป็นลูกคนเดียว "
    },
    {
      "message_id": 1716,
      "agent_id": 12,
      "delay": 4.209,
      "onscreen_delay": 0,
      "typing_delay": 4.209,
      "typing_duration": 4.209,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1717,
      "agent_id": 33,
      "delay": 2.677,
      "onscreen_delay": 0,
      "typing_delay": 2.677,
      "typing_duration": 8.476,
      "wpm": 7,
      "message": "โอเค"
    },
    {
      "message_id": 1718,
      "agent_id": 29,
      "delay": 4.474,
      "onscreen_delay": 2.405,
      "typing_delay": 2.069,
      "typing_duration": 6.835,
      "wpm": 48,
      "message": "จากเครือตรงนี้ใช่ไหมคะ "
    },
    {
      "message_id": 1719,
      "agent_id": 13,
      "delay": 2.835,
      "onscreen_delay": 2.802,
      "typing_delay": 0.033,
      "typing_duration": 8.527,
      "wpm": 51,
      "message": "เราวาดได้ต้นไม้ 1 ต้นนะ ถัดมา "
    },
    {
      "message_id": 1720,
      "agent_id": 12,
      "delay": 4.525,
      "onscreen_delay": 4.072,
      "typing_delay": 0.453,
      "typing_duration": 8.7,
      "wpm": 55,
      "message": "ต้นไม้นี่ ในต้นไม้นะคะ เราสามารถ"
    },
    {
      "message_id": 1721,
      "agent_id": 33,
      "delay": 4.698,
      "onscreen_delay": 4.323,
      "typing_delay": 0.375,
      "typing_duration": 13.863,
      "wpm": 37,
      "message": "มีต้นไม้ย่อย ที่อยู่ภายในต้นไม้ได้"
    },
    {
      "message_id": 1722,
      "agent_id": 29,
      "delay": 9.861,
      "onscreen_delay": 8.987,
      "typing_delay": 0.874,
      "typing_duration": 9.678,
      "wpm": 22,
      "message": "เช่น จากรูปนี้ "
    },
    {
      "message_id": 1723,
      "agent_id": 13,
      "delay": 5.859,
      "onscreen_delay": 5.785,
      "typing_delay": 0.074,
      "typing_duration": 13.991,
      "wpm": 23,
      "message": "ตรงนี้ ฝั่งซ้ายของ 23 "
    },
    {
      "message_id": 1724,
      "agent_id": 12,
      "delay": 9.989,
      "onscreen_delay": 9.69,
      "typing_delay": 0.299,
      "typing_duration": 9.095,
      "wpm": 45,
      "message": "ย่อยนะ ของ 23 ฝั่งขวาตรงนี้ "
    },
    {
      "message_id": 1725,
      "agent_id": 33,
      "delay": 5.988,
      "onscreen_delay": 5.38,
      "typing_delay": 0.608,
      "typing_duration": 13.479,
      "wpm": 40,
      "message": "ก็คือต้นไม้ย่อยนะคะ เห็นไหม เพราะว่า"
    },
    {
      "message_id": 1726,
      "agent_id": 29,
      "delay": 9.477,
      "onscreen_delay": 8.908,
      "typing_delay": 0.569,
      "typing_duration": 5.537,
      "wpm": 65,
      "message": "มันมีกิ่งก้านสาขาแตกลงมา "
    },
    {
      "message_id": 1727,
      "agent_id": 13,
      "delay": 5.475,
      "onscreen_delay": 5.387,
      "typing_delay": 0.088,
      "typing_duration": 5.079,
      "wpm": 74,
      "message": "ตรงนี้ก็เลยเป็นต้นไม้ย่อย "
    },
    {
      "message_id": 1728,
      "agent_id": 12,
      "delay": 6.382,
      "onscreen_delay": 0,
      "typing_delay": 6.382,
      "typing_duration": 6.382,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1729,
      "agent_id": 33,
      "delay": 2.381,
      "onscreen_delay": 1.389,
      "typing_delay": 0.992,
      "typing_duration": 14.521,
      "wpm": 30,
      "message": "ลักษณะของต้นไม้นะคะ เดี๋ยวเรา"
    },
    {
      "message_id": 1730,
      "agent_id": 29,
      "delay": 10.518,
      "onscreen_delay": 9.939,
      "typing_delay": 0.579,
      "typing_duration": 9.303,
      "wpm": 58,
      "message": "จบที่ลักษณะของต้นไม้ ลักษณะของต้นไม้"
    },
    {
      "message_id": 1731,
      "agent_id": 13,
      "delay": 6.517,
      "onscreen_delay": 6.401,
      "typing_delay": 0.116,
      "typing_duration": 9.265,
      "wpm": 53,
      "message": "ที่เราจะพูดถึง ตัวแรก Binary Tree "
    },
    {
      "message_id": 1732,
      "agent_id": 12,
      "delay": 5.264,
      "onscreen_delay": 3.833,
      "typing_delay": 1.431,
      "typing_duration": 14.028,
      "wpm": 9,
      "message": "ไบ คือ 2 "
    },
    {
      "message_id": 1733,
      "agent_id": 33,
      "delay": 10.027,
      "onscreen_delay": 9.574,
      "typing_delay": 0.453,
      "typing_duration": 15.001,
      "wpm": 34,
      "message": "Binary Tree ก็คือต้นไม้ที่มีลูกได้"
    },
    {
      "message_id": 1734,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.733,
      "typing_delay": 0.265,
      "typing_duration": 4.121,
      "wpm": 80,
      "message": "ไม่เกิน 2 โหนดถูกไหมคะ "
    },
    {
      "message_id": 1735,
      "agent_id": 13,
      "delay": 6.996,
      "onscreen_delay": 6.864,
      "typing_delay": 0.132,
      "typing_duration": 13.467,
      "wpm": 50,
      "message": "ต้นไม้นี่ มีลูกได้ไหมเกิดน 2 เห็นไหม มีได้ไม่"
    },
    {
      "message_id": 1736,
      "agent_id": 12,
      "delay": 9.464,
      "onscreen_delay": 8.519,
      "typing_delay": 0.945,
      "typing_duration": 8.743,
      "wpm": 41,
      "message": "เกิน 2 มี 1 ก็ได้นะ มี 2 "
    },
    {
      "message_id": 1737,
      "agent_id": 33,
      "delay": 5.463,
      "onscreen_delay": 4.988,
      "typing_delay": 0.475,
      "typing_duration": 11.081,
      "wpm": 42,
      "message": "ก็ได้ ไม่มีก้ได้ แต่มี 3 ไม่ได้"
    },
    {
      "message_id": 1738,
      "agent_id": 29,
      "delay": 7.078,
      "onscreen_delay": 6.125,
      "typing_delay": 0.953,
      "typing_duration": 6.608,
      "wpm": 54,
      "message": "นะคะ มีลูก 3 ไม่เข้าข่าย"
    },
    {
      "message_id": 1739,
      "agent_id": 13,
      "delay": 3.077,
      "onscreen_delay": 2.897,
      "typing_delay": 0.18,
      "typing_duration": 9.642,
      "wpm": 62,
      "message": "ตัวนี้นะ เป็นต้นไม้เฉย ๆ แต่ไม่ใช่ต้นไม้ "
    },
    {
      "message_id": 1740,
      "agent_id": 12,
      "delay": 5.64,
      "onscreen_delay": 5.169,
      "typing_delay": 0.471,
      "typing_duration": 5.923,
      "wpm": 28,
      "message": "Binary Tree "
    },
    {
      "message_id": 1741,
      "agent_id": 33,
      "delay": 5.459,
      "onscreen_delay": 0,
      "typing_delay": 5.459,
      "typing_duration": 5.459,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1742,
      "agent_id": 29,
      "delay": 1.457,
      "onscreen_delay": 1.022,
      "typing_delay": 0.435,
      "typing_duration": 9.198,
      "wpm": 44,
      "message": "อีก 1 ต้นไม้นะคะ BST ตรงนี้ "
    },
    {
      "message_id": 1743,
      "agent_id": 13,
      "delay": 5.197,
      "onscreen_delay": 3.114,
      "typing_delay": 2.083,
      "typing_duration": 12.036,
      "wpm": 27,
      "message": "BST ตัวนี้ หรือ Binary "
    },
    {
      "message_id": 1744,
      "agent_id": 12,
      "delay": 8.033,
      "onscreen_delay": 5.403,
      "typing_delay": 2.63,
      "typing_duration": 8.922,
      "wpm": 18,
      "message": "Search Tree "
    },
    {
      "message_id": 1745,
      "agent_id": 33,
      "delay": 4.922,
      "onscreen_delay": 4.061,
      "typing_delay": 0.861,
      "typing_duration": 14.175,
      "wpm": 18,
      "message": "มีลูก 2 เห็นไหมคะ "
    },
    {
      "message_id": 1746,
      "agent_id": 29,
      "delay": 10.172,
      "onscreen_delay": 9.223,
      "typing_delay": 0.949,
      "typing_duration": 7.748,
      "wpm": 48,
      "message": "มีลูก 2 หรือมีลูก 1 ก็ได้ "
    },
    {
      "message_id": 1747,
      "agent_id": 13,
      "delay": 6.171,
      "onscreen_delay": 4.888,
      "typing_delay": 1.283,
      "typing_duration": 11.543,
      "wpm": 40,
      "message": "แต่สิ่งที่เพิ่ม คือ ลูกด้านซ้าย "
    },
    {
      "message_id": 1748,
      "agent_id": 12,
      "delay": 7.541,
      "onscreen_delay": 5.888,
      "typing_delay": 1.653,
      "typing_duration": 12.139,
      "wpm": 32,
      "message": "ดูที่ 8 นะ ลูกด้านซ้าย ลูก"
    },
    {
      "message_id": 1749,
      "agent_id": 33,
      "delay": 8.138,
      "onscreen_delay": 6.7,
      "typing_delay": 1.438,
      "typing_duration": 15.002,
      "wpm": 20,
      "message": "ด้านซ้าย น้อยกว่าพ่อ "
    },
    {
      "message_id": 1750,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.313,
      "typing_delay": 0.688,
      "typing_duration": 4.903,
      "wpm": 61,
      "message": "ลูกด้านขวามากกว่าพ่อ "
    },
    {
      "message_id": 1751,
      "agent_id": 13,
      "delay": 7,
      "onscreen_delay": 4.64,
      "typing_delay": 2.36,
      "typing_duration": 6.098,
      "wpm": 39,
      "message": "ซ้าย น้อยกว่าพ่อ "
    },
    {
      "message_id": 1752,
      "agent_id": 12,
      "delay": 2.999,
      "onscreen_delay": 2.427,
      "typing_delay": 0.572,
      "typing_duration": 11.129,
      "wpm": 35,
      "message": "ขวามากกว่าพ่อ ตัวนี้คือ Bi "
    },
    {
      "message_id": 1753,
      "agent_id": 33,
      "delay": 7.125,
      "onscreen_delay": 4.262,
      "typing_delay": 2.863,
      "typing_duration": 13.207,
      "wpm": 34,
      "message": "BST หรือว่า Binary Search Tree"
    },
    {
      "message_id": 1754,
      "agent_id": 29,
      "delay": 9.206,
      "onscreen_delay": 5.215,
      "typing_delay": 3.991,
      "typing_duration": 3.991,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1755,
      "agent_id": 13,
      "delay": 5.204,
      "onscreen_delay": 3.928,
      "typing_delay": 1.276,
      "typing_duration": 11.6,
      "wpm": 59,
      "message": "สังเกตง่าย ๆ เห็นไหมคะ ด้านขวาทุกตัว มากกว่า 8 "
    },
    {
      "message_id": 1756,
      "agent_id": 12,
      "delay": 7.599,
      "onscreen_delay": 6.863,
      "typing_delay": 0.736,
      "typing_duration": 8.089,
      "wpm": 65,
      "message": "เลย แต่ด้านซ้ายทุกตัวต้องน้อยกว่า 8 "
    },
    {
      "message_id": 1757,
      "agent_id": 33,
      "delay": 4.088,
      "onscreen_delay": 1.662,
      "typing_delay": 2.426,
      "typing_duration": 13.657,
      "wpm": 25,
      "message": "รูปนี้เหมือนกัน ด้านขวา"
    },
    {
      "message_id": 1758,
      "agent_id": 29,
      "delay": 9.654,
      "onscreen_delay": 8.861,
      "typing_delay": 0.793,
      "typing_duration": 7.671,
      "wpm": 37,
      "message": "มากกว่า 50 ด้านซ้าย"
    },
    {
      "message_id": 1759,
      "agent_id": 13,
      "delay": 5.652,
      "onscreen_delay": 5.281,
      "typing_delay": 0.371,
      "typing_duration": 7.401,
      "wpm": 47,
      "message": "น้อยกว่า 50 นะคะ รูปนี้"
    },
    {
      "message_id": 1760,
      "agent_id": 12,
      "delay": 3.4,
      "onscreen_delay": 2.955,
      "typing_delay": 0.445,
      "typing_duration": 9.755,
      "wpm": 51,
      "message": "เหมือนกัน บนสุดคือ 7 ถูกหรือเปล่า "
    },
    {
      "message_id": 1761,
      "agent_id": 33,
      "delay": 5.752,
      "onscreen_delay": 5.16,
      "typing_delay": 0.592,
      "typing_duration": 13.696,
      "wpm": 38,
      "message": "ต้องน้อยกว่า 7 ด้านขวาต้องมากกว่า 7"
    },
    {
      "message_id": 1762,
      "agent_id": 29,
      "delay": 9.694,
      "onscreen_delay": 6.887,
      "typing_delay": 2.807,
      "typing_duration": 7.36,
      "wpm": 8,
      "message": "โอเค "
    },
    {
      "message_id": 1763,
      "agent_id": 13,
      "delay": 5.692,
      "onscreen_delay": 5.002,
      "typing_delay": 0.69,
      "typing_duration": 9.009,
      "wpm": 57,
      "message": "มี 3 แบบนะ มีต้นไม้ธรรมดา ทุกอย่าง"
    },
    {
      "message_id": 1764,
      "agent_id": 12,
      "delay": 5.006,
      "onscreen_delay": 4.772,
      "typing_delay": 0.234,
      "typing_duration": 11.729,
      "wpm": 35,
      "message": "เป็นต้นไม้นะ มีต้นไม้ธรรมดา "
    },
    {
      "message_id": 1765,
      "agent_id": 33,
      "delay": 7.728,
      "onscreen_delay": 6.615,
      "typing_delay": 1.113,
      "typing_duration": 14.575,
      "wpm": 21,
      "message": "มี Binary Tree ลูก 2 "
    },
    {
      "message_id": 1766,
      "agent_id": 29,
      "delay": 10.574,
      "onscreen_delay": 10.574,
      "typing_delay": 0,
      "typing_duration": 6.64,
      "wpm": 59,
      "message": "แล้วก็ BST ลูก 2 เหมือนกัน"
    },
    {
      "message_id": 1767,
      "agent_id": 13,
      "delay": 6.573,
      "onscreen_delay": 6.4,
      "typing_delay": 0.173,
      "typing_duration": 9.01,
      "wpm": 60,
      "message": "แต่ลูกด้านซ้ายน้อยกว่าพ่อ ลูกด้านขวา"
    },
    {
      "message_id": 1768,
      "agent_id": 12,
      "delay": 5.009,
      "onscreen_delay": 4.286,
      "typing_delay": 0.723,
      "typing_duration": 6.763,
      "wpm": 33,
      "message": "มีค่ามากกว่าพ่อ "
    },
    {
      "message_id": 1769,
      "agent_id": 33,
      "delay": 2.76,
      "onscreen_delay": 1.294,
      "typing_delay": 1.466,
      "typing_duration": 4.378,
      "wpm": 14,
      "message": "โอเค "
    },
    {
      "message_id": 1770,
      "agent_id": 29,
      "delay": 3.935,
      "onscreen_delay": 0,
      "typing_delay": 3.935,
      "typing_duration": 3.935,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1771,
      "agent_id": 13,
      "delay": 2.992,
      "onscreen_delay": 0,
      "typing_delay": 2.992,
      "typing_duration": 6.029,
      "wpm": 17,
      "message": "เห็นไหม "
    },
    {
      "message_id": 1772,
      "agent_id": 12,
      "delay": 4.431,
      "onscreen_delay": 0,
      "typing_delay": 4.431,
      "typing_duration": 4.431,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1773,
      "agent_id": 33,
      "delay": 3.763,
      "onscreen_delay": 0,
      "typing_delay": 3.763,
      "typing_duration": 11.052,
      "wpm": 23,
      "message": "นะ เดี่ยวคราวหน้า"
    },
    {
      "message_id": 1774,
      "agent_id": 29,
      "delay": 7.049,
      "onscreen_delay": 6.974,
      "typing_delay": 0.075,
      "typing_duration": 7.498,
      "wpm": 70,
      "message": "เดี๋ยวครูจะมาทวนต้นไม้อีกครั้งหนึ่ง "
    },
    {
      "message_id": 1775,
      "agent_id": 13,
      "delay": 3.497,
      "onscreen_delay": 3.497,
      "typing_delay": 0,
      "typing_duration": 11.565,
      "wpm": 58,
      "message": "แล้วเราก็พูดถึงเรื่องต้นไม้ต่อ เราจะเพิ่มโหนด"
    },
    {
      "message_id": 1776,
      "agent_id": 12,
      "delay": 7.564,
      "onscreen_delay": 7.199,
      "typing_delay": 0.365,
      "typing_duration": 7.93,
      "wpm": 83,
      "message": "เข้าไปในต้นไม้ทำอย่างไร จะลบโหนดออกจากต้นไม้"
    },
    {
      "message_id": 1777,
      "agent_id": 33,
      "delay": 3.929,
      "onscreen_delay": 3.169,
      "typing_delay": 0.76,
      "typing_duration": 7.885,
      "wpm": 25,
      "message": "ทำอย่างไรนะคะ"
    },
    {
      "message_id": 1778,
      "agent_id": 29,
      "delay": 3.909,
      "onscreen_delay": 0,
      "typing_delay": 3.909,
      "typing_duration": 3.909,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1779,
      "agent_id": 13,
      "delay": 5.9,
      "onscreen_delay": 0,
      "typing_delay": 5.9,
      "typing_duration": 5.9,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1780,
      "agent_id": 12,
      "delay": 5.863,
      "onscreen_delay": 0,
      "typing_delay": 5.863,
      "typing_duration": 5.863,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1781,
      "agent_id": 33,
      "delay": 12.007,
      "onscreen_delay": 0,
      "typing_delay": 12.007,
      "typing_duration": 12.007,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1782,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1783,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1784,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1785,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1786,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1787,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1788,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1789,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1790,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 0.051,
      "typing_delay": 10.948,
      "typing_duration": 10.948,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1791,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1792,
      "agent_id": 12,
      "delay": 10.997,
      "onscreen_delay": 8.266,
      "typing_delay": 2.731,
      "typing_duration": 11.906,
      "wpm": 33,
      "message": "โอเคนะคะ เดี๋ยวสัปดาห์หน้า "
    },
    {
      "message_id": 1793,
      "agent_id": 33,
      "delay": 7.904,
      "onscreen_delay": 7.267,
      "typing_delay": 0.637,
      "typing_duration": 15,
      "wpm": 33,
      "message": "เรามาเจอกันอีก วันนี้ก็น่าจะพอแค่"
    },
    {
      "message_id": 1794,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 6.757,
      "typing_delay": 4.242,
      "typing_duration": 4.242,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1795,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1796,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1797,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 6.59,
      "typing_delay": 4.409,
      "typing_duration": 4.409,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1798,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1799,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1800,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1801,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1802,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1803,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1804,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1805,
      "agent_id": 33,
      "delay": 10.998,
      "onscreen_delay": 1.614,
      "typing_delay": 9.384,
      "typing_duration": 9.384,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1806,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 2.523,
      "typing_delay": 4.472,
      "typing_duration": 5.92,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1807,
      "agent_id": 13,
      "delay": 2.994,
      "onscreen_delay": 2.624,
      "typing_delay": 0.37,
      "typing_duration": 8.824,
      "wpm": 58,
      "message": "สัปดาห์หน้า พอดีว่าครูติดลงพื้นที่ "
    },
    {
      "message_id": 1808,
      "agent_id": 12,
      "delay": 4.82,
      "onscreen_delay": 3.615,
      "typing_delay": 1.205,
      "typing_duration": 5.647,
      "wpm": 35,
      "message": "ครูอยากจะขยับ"
    },
    {
      "message_id": 1809,
      "agent_id": 33,
      "delay": 1.645,
      "onscreen_delay": 0.645,
      "typing_delay": 1,
      "typing_duration": 13.23,
      "wpm": 11,
      "message": "เลื่อนเป็น"
    },
    {
      "message_id": 1810,
      "agent_id": 29,
      "delay": 9.228,
      "onscreen_delay": 5.187,
      "typing_delay": 4.041,
      "typing_duration": 6.502,
      "wpm": 21,
      "message": "พฤหัสบ่าย "
    },
    {
      "message_id": 1811,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1812,
      "agent_id": 12,
      "delay": 10.998,
      "onscreen_delay": 5.348,
      "typing_delay": 5.65,
      "typing_duration": 5.65,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1813,
      "agent_id": 33,
      "delay": 6.997,
      "onscreen_delay": 1.603,
      "typing_delay": 5.394,
      "typing_duration": 5.394,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1814,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1815,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1816,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 1.323,
      "typing_delay": 9.676,
      "typing_duration": 9.676,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1817,
      "agent_id": 33,
      "delay": 6.997,
      "onscreen_delay": 0.34,
      "typing_delay": 6.657,
      "typing_duration": 15.001,
      "wpm": 20,
      "message": "พฤหัสบดีเช้าก็ได้ค่ะ"
    },
    {
      "message_id": 1818,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 5.673,
      "typing_delay": 5.327,
      "typing_duration": 5.327,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1819,
      "agent_id": 13,
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      "message": "สัปดาห์หน้า"
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      "message": "นะคะ ครูเลื่อนเป็นพฤหัสบดีเช้านะ "
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}