{
  "average_delay": 8.441,
  "average_delay_with_out_empty_turn": 5.783,
  "average_onscreen_delay": 2.984,
  "average_typing_delay": 5.457,
  "average_typing_duration": 10.546,
  "average_wpm": 27,
  "average_wpm_with_out_empty_turn": 42,
  "agents": [
    {
      "agent_id": 12,
      "average_delay": 9.784,
      "average_delay_with_out_empty_turn": 7.139,
      "average_onscreen_delay": 3.302,
      "average_typing_delay": 6.483,
      "average_typing_duration": 10.691,
      "average_wpm": 24,
      "average_wpm_with_out_empty_turn": 38
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    {
      "agent_id": 13,
      "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
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    {
      "agent_id": 14,
      "average_delay": 8.187,
      "average_delay_with_out_empty_turn": 5.869,
      "average_onscreen_delay": 3.526,
      "average_typing_delay": 4.662,
      "average_typing_duration": 10.374,
      "average_wpm": 28,
      "average_wpm_with_out_empty_turn": 44
    },
    {
      "agent_id": 15,
      "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
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    {
      "agent_id": 16,
      "average_delay": 8.453,
      "average_delay_with_out_empty_turn": 5.695,
      "average_onscreen_delay": 2.776,
      "average_typing_delay": 5.678,
      "average_typing_duration": 9.493,
      "average_wpm": 33,
      "average_wpm_with_out_empty_turn": 50
    },
    {
      "agent_id": 17,
      "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
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    {
      "agent_id": 19,
      "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
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    {
      "agent_id": 29,
      "average_delay": 7.337,
      "average_delay_with_out_empty_turn": 4.564,
      "average_onscreen_delay": 2.326,
      "average_typing_delay": 5.011,
      "average_typing_duration": 11.624,
      "average_wpm": 25,
      "average_wpm_with_out_empty_turn": 35
    }
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  "messages": [
    {
      "message_id": 0,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 4,
      "agent_id": 16,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 5,
      "agent_id": 29,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 6,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 7,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 8,
      "agent_id": 16,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 9,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 10,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 11,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 3.75,
      "typing_delay": 7.25,
      "typing_duration": 8.343,
      "wpm": 16,
      "message": "(อาจารย์) "
    },
    {
      "message_id": 12,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 5.602,
      "typing_delay": 1.395,
      "typing_duration": 7.177,
      "wpm": 42,
      "message": "เริ่มเลยไหมคะ สวัสดี "
    },
    {
      "message_id": 13,
      "agent_id": 29,
      "delay": 3.173,
      "onscreen_delay": 2.232,
      "typing_delay": 0.941,
      "typing_duration": 10.99,
      "wpm": 61,
      "message": "สวัสดีนักเรียนทุกคนนะคะ เข้ามากันครบหรือเปล่า "
    },
    {
      "message_id": 14,
      "agent_id": 12,
      "delay": 6.987,
      "onscreen_delay": 2.755,
      "typing_delay": 4.232,
      "typing_duration": 8.551,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 15,
      "agent_id": 14,
      "delay": 4.55,
      "onscreen_delay": 3.804,
      "typing_delay": 0.746,
      "typing_duration": 7.332,
      "wpm": 49,
      "message": "สวัสดีคุณครูล่ามด้วยนะคะ "
    },
    {
      "message_id": 16,
      "agent_id": 16,
      "delay": 3.331,
      "onscreen_delay": 0.804,
      "typing_delay": 2.527,
      "typing_duration": 5.988,
      "wpm": 58,
      "message": "(ล่าม) อาจารย์สวัสดีค่ะ "
    },
    {
      "message_id": 17,
      "agent_id": 29,
      "delay": 2.182,
      "onscreen_delay": 0,
      "typing_delay": 2.182,
      "typing_duration": 10.699,
      "wpm": 52,
      "message": "(อาจารย์) วันนี้มีนักศึกษาไปโรงพยาบาล "
    },
    {
      "message_id": 18,
      "agent_id": 12,
      "delay": 6.698,
      "onscreen_delay": 5.367,
      "typing_delay": 1.331,
      "typing_duration": 13.209,
      "wpm": 40,
      "message": "ชื่อเล่นอะไรนะคนนั้นน่ะ My Love น่ะ "
    },
    {
      "message_id": 19,
      "agent_id": 14,
      "delay": 9.208,
      "onscreen_delay": 4.71,
      "typing_delay": 4.498,
      "typing_duration": 4.498,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 20,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 21,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 22,
      "agent_id": 12,
      "delay": 11.001,
      "onscreen_delay": 6.317,
      "typing_delay": 4.684,
      "typing_duration": 10.466,
      "wpm": 24,
      "message": "แฝดค่ะไปโรงพยาบาล "
    },
    {
      "message_id": 23,
      "agent_id": 14,
      "delay": 7,
      "onscreen_delay": 5.942,
      "typing_delay": 1.058,
      "typing_duration": 5.296,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 24,
      "agent_id": 16,
      "delay": 2.997,
      "onscreen_delay": 1.271,
      "typing_delay": 1.726,
      "typing_duration": 12.465,
      "wpm": 47,
      "message": "(เจ้าหน้าที่) แฝดค่ะ น้องแฝด ชื่อแฝดค่ะ "
    },
    {
      "message_id": 25,
      "agent_id": 29,
      "delay": 8.463,
      "onscreen_delay": 2.182,
      "typing_delay": 6.281,
      "typing_duration": 6.281,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 26,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 27,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 28,
      "agent_id": 16,
      "delay": 10.991,
      "onscreen_delay": 6.225,
      "typing_delay": 4.766,
      "typing_duration": 4.766,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 29,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 30,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 31,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 32,
      "agent_id": 16,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 33,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 4.004,
      "typing_delay": 6.997,
      "typing_duration": 12.668,
      "wpm": 8,
      "message": "1 2 1 2 "
    },
    {
      "message_id": 34,
      "agent_id": 12,
      "delay": 8.666,
      "onscreen_delay": 6.565,
      "typing_delay": 2.101,
      "typing_duration": 5.699,
      "wpm": 58,
      "message": "ได้ยินเสียงชัดเจนไหมคะ "
    },
    {
      "message_id": 35,
      "agent_id": 14,
      "delay": 4.664,
      "onscreen_delay": 1.583,
      "typing_delay": 3.081,
      "typing_duration": 13.953,
      "wpm": 53,
      "message": "เมื่อกี้เน็ตหลุดนิดหนึ่ง เดี๋ยวเรามาดูการบ้านนะคะ "
    },
    {
      "message_id": 36,
      "agent_id": 16,
      "delay": 9.952,
      "onscreen_delay": 5.991,
      "typing_delay": 3.961,
      "typing_duration": 8.463,
      "wpm": 27,
      "message": "ที่ครูให้พวกเรา"
    },
    {
      "message_id": 37,
      "agent_id": 29,
      "delay": 5.951,
      "onscreen_delay": 5.13,
      "typing_delay": 0.821,
      "typing_duration": 7.499,
      "wpm": 26,
      "message": "ไปเลือกลดวงจร"
    },
    {
      "message_id": 38,
      "agent_id": 12,
      "delay": 3.497,
      "onscreen_delay": 1.855,
      "typing_delay": 1.642,
      "typing_duration": 8.973,
      "wpm": 33,
      "message": "นะคะ เดี๋ยววันนี้ครู"
    },
    {
      "message_id": 39,
      "agent_id": 14,
      "delay": 4.971,
      "onscreen_delay": 3.702,
      "typing_delay": 1.269,
      "typing_duration": 8.851,
      "wpm": 76,
      "message": "หรือว่าในห้องมีใครทำมาแล้วอยากจะนำเสนอมีไหมคะ "
    },
    {
      "message_id": 40,
      "agent_id": 16,
      "delay": 4.85,
      "onscreen_delay": 2.754,
      "typing_delay": 2.096,
      "typing_duration": 4.453,
      "wpm": 30,
      "message": "มีไหมเอ่ย "
    },
    {
      "message_id": 41,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 42,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 43,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 44,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 6.319,
      "typing_delay": 4.679,
      "typing_duration": 8.334,
      "wpm": 11,
      "message": "โอ.เค. "
    },
    {
      "message_id": 45,
      "agent_id": 29,
      "delay": 6.995,
      "onscreen_delay": 6.023,
      "typing_delay": 0.972,
      "typing_duration": 8.941,
      "wpm": 25,
      "message": "โจทย์นะคะ ข้อ 1 "
    },
    {
      "message_id": 46,
      "agent_id": 12,
      "delay": 4.939,
      "onscreen_delay": 2.924,
      "typing_delay": 2.015,
      "typing_duration": 11.293,
      "wpm": 32,
      "message": "มี Input 2 ตัว ก็คือมี P "
    },
    {
      "message_id": 47,
      "agent_id": 14,
      "delay": 7.292,
      "onscreen_delay": 6.588,
      "typing_delay": 0.704,
      "typing_duration": 5.451,
      "wpm": 28,
      "message": "Q ใช่ไหมคะ "
    },
    {
      "message_id": 48,
      "agent_id": 16,
      "delay": 4.592,
      "onscreen_delay": 0,
      "typing_delay": 4.592,
      "typing_duration": 7.089,
      "wpm": 11,
      "message": "Input "
    },
    {
      "message_id": 49,
      "agent_id": 29,
      "delay": 3.084,
      "onscreen_delay": 1.567,
      "typing_delay": 1.517,
      "typing_duration": 14.189,
      "wpm": 23,
      "message": "แล้วก็เข้าต่อเข้าไปที่ "
    },
    {
      "message_id": 50,
      "agent_id": 12,
      "delay": 10.187,
      "onscreen_delay": 6.919,
      "typing_delay": 3.268,
      "typing_duration": 10.256,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 51,
      "agent_id": 14,
      "delay": 6.255,
      "onscreen_delay": 5.53,
      "typing_delay": 0.725,
      "typing_duration": 8.714,
      "wpm": 57,
      "message": "มี AND Gate เกิดขึ้นนะคะ AND Gate "
    },
    {
      "message_id": 52,
      "agent_id": 16,
      "delay": 4.713,
      "onscreen_delay": 2.384,
      "typing_delay": 2.329,
      "typing_duration": 7.848,
      "wpm": 32,
      "message": "แล้วก็ตัว input Q "
    },
    {
      "message_id": 53,
      "agent_id": 29,
      "delay": 3.846,
      "onscreen_delay": 2.617,
      "typing_delay": 1.229,
      "typing_duration": 13.95,
      "wpm": 28,
      "message": "ส่งเข้ามาเหมือนกันนะคะ แต่"
    },
    {
      "message_id": 54,
      "agent_id": 12,
      "delay": 9.947,
      "onscreen_delay": 8.86,
      "typing_delay": 1.087,
      "typing_duration": 11.633,
      "wpm": 40,
      "message": "เจอ Not ก่อนแล้วค่อยส่งเข้า AND "
    },
    {
      "message_id": 55,
      "agent_id": 14,
      "delay": 7.632,
      "onscreen_delay": 7.38,
      "typing_delay": 0.252,
      "typing_duration": 15.001,
      "wpm": 57,
      "message": "ครูอาจจะวาดไม่เหมือนตัวโจทย์เป๊ะนะคะ เพราะว่าโจทย์มันตรงด"
    },
    {
      "message_id": 56,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 10.124,
      "typing_delay": 0.876,
      "typing_duration": 6.248,
      "wpm": 62,
      "message": "แต่ครูจะวกนิดหนึ่ง จากนั้น "
    },
    {
      "message_id": 57,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 5.759,
      "typing_delay": 1.24,
      "typing_duration": 12.898,
      "wpm": 34,
      "message": "ก็เชื่อม Input p ลงมาข้างล่าง "
    },
    {
      "message_id": 58,
      "agent_id": 12,
      "delay": 8.896,
      "onscreen_delay": 7.256,
      "typing_delay": 1.64,
      "typing_duration": 7.161,
      "wpm": 42,
      "message": "Input Q ลงมาข้างล่าง "
    },
    {
      "message_id": 59,
      "agent_id": 14,
      "delay": 4.894,
      "onscreen_delay": 2.76,
      "typing_delay": 2.134,
      "typing_duration": 8.697,
      "wpm": 29,
      "message": "Input P มาเจอ NOT "
    },
    {
      "message_id": 60,
      "agent_id": 16,
      "delay": 4.696,
      "onscreen_delay": 3.623,
      "typing_delay": 1.073,
      "typing_duration": 7.417,
      "wpm": 51,
      "message": "เจอ not แล้วก็ต่อเข้า get "
    },
    {
      "message_id": 61,
      "agent_id": 29,
      "delay": 3.415,
      "onscreen_delay": 2.281,
      "typing_delay": 1.134,
      "typing_duration": 9.205,
      "wpm": 33,
      "message": "OR Gate ลงมาข้างล่าง "
    },
    {
      "message_id": 62,
      "agent_id": 12,
      "delay": 5.204,
      "onscreen_delay": 3.403,
      "typing_delay": 1.801,
      "typing_duration": 13.567,
      "wpm": 10,
      "message": "ก็เจอ Not "
    },
    {
      "message_id": 63,
      "agent_id": 14,
      "delay": 9.566,
      "onscreen_delay": 7.958,
      "typing_delay": 1.608,
      "typing_duration": 12.556,
      "wpm": 25,
      "message": "แล้วก็ต่อเข้า OR Gate "
    },
    {
      "message_id": 64,
      "agent_id": 16,
      "delay": 8.554,
      "onscreen_delay": 4.389,
      "typing_delay": 4.165,
      "typing_duration": 11.576,
      "wpm": 35,
      "message": "เห็นสัญลักษณ์ all get ไหมคะ "
    },
    {
      "message_id": 65,
      "agent_id": 29,
      "delay": 7.574,
      "onscreen_delay": 0.013,
      "typing_delay": 7.561,
      "typing_duration": 14.681,
      "wpm": 14,
      "message": "โอ.เค. Input Q "
    },
    {
      "message_id": 66,
      "agent_id": 12,
      "delay": 10.678,
      "onscreen_delay": 7.491,
      "typing_delay": 3.187,
      "typing_duration": 9.423,
      "wpm": 10,
      "message": "โอ.เค. "
    },
    {
      "message_id": 67,
      "agent_id": 14,
      "delay": 6.678,
      "onscreen_delay": 5.552,
      "typing_delay": 1.126,
      "typing_duration": 14.204,
      "wpm": 42,
      "message": "จากนั้น Input Q ต่อเชื่อมลงมาข้างล่างอีก "
    },
    {
      "message_id": 68,
      "agent_id": 16,
      "delay": 10.202,
      "onscreen_delay": 6.328,
      "typing_delay": 3.874,
      "typing_duration": 8.555,
      "wpm": 42,
      "message": "ต่อเชื่อมลงมาข้างล่างอีก "
    },
    {
      "message_id": 69,
      "agent_id": 29,
      "delay": 6.195,
      "onscreen_delay": 5.555,
      "typing_delay": 0.64,
      "typing_duration": 13.432,
      "wpm": 20,
      "message": "ผลลัพธ์จาก OR Gate "
    },
    {
      "message_id": 70,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 71,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 6.098,
      "typing_delay": 4.901,
      "typing_duration": 4.901,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 72,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 4.598,
      "typing_delay": 2.399,
      "typing_duration": 10.189,
      "wpm": 31,
      "message": "สำหรับ and get ข้างบน "
    },
    {
      "message_id": 73,
      "agent_id": 29,
      "delay": 6.187,
      "onscreen_delay": 5.139,
      "typing_delay": 1.048,
      "typing_duration": 10.096,
      "wpm": 25,
      "message": "Output ที่ออกมาจะ"
    },
    {
      "message_id": 74,
      "agent_id": 12,
      "delay": 6.095,
      "onscreen_delay": 3.28,
      "typing_delay": 2.815,
      "typing_duration": 10.402,
      "wpm": 17,
      "message": "เจอ Not นะคะ "
    },
    {
      "message_id": 75,
      "agent_id": 14,
      "delay": 6.401,
      "onscreen_delay": 6.064,
      "typing_delay": 0.337,
      "typing_duration": 7.864,
      "wpm": 42,
      "message": "และ Output ตรงนี้ต่อมา"
    },
    {
      "message_id": 76,
      "agent_id": 16,
      "delay": 3.863,
      "onscreen_delay": 3.12,
      "typing_delay": 0.743,
      "typing_duration": 8.982,
      "wpm": 58,
      "message": "เจอ and get อันสุดท้าย Output นี้ก็"
    },
    {
      "message_id": 77,
      "agent_id": 29,
      "delay": 4.981,
      "onscreen_delay": 4.255,
      "typing_delay": 0.726,
      "typing_duration": 14.682,
      "wpm": 5,
      "message": "ออกมา "
    },
    {
      "message_id": 78,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 79,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 8.15,
      "typing_delay": 2.849,
      "typing_duration": 7.891,
      "wpm": 49,
      "message": "ใน AND Gate อันสุดท้ายนะคะ "
    },
    {
      "message_id": 80,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 6.53,
      "typing_delay": 0.467,
      "typing_duration": 4.479,
      "wpm": 47,
      "message": "ก็จะได้ผลลัพธ์"
    },
    {
      "message_id": 81,
      "agent_id": 29,
      "delay": 2.995,
      "onscreen_delay": 1.769,
      "typing_delay": 1.226,
      "typing_duration": 14.777,
      "wpm": 38,
      "message": "อันนี้ถ้าเราจะเขียนวงจรให้เป็นพีชคณิต"
    },
    {
      "message_id": 82,
      "agent_id": 12,
      "delay": 10.776,
      "onscreen_delay": 9.245,
      "typing_delay": 1.531,
      "typing_duration": 14.602,
      "wpm": 29,
      "message": "บูรีนอันดับแรกนะคะ เราก็จะดู"
    },
    {
      "message_id": 83,
      "agent_id": 14,
      "delay": 10.6,
      "onscreen_delay": 8.621,
      "typing_delay": 1.979,
      "typing_duration": 6.206,
      "wpm": 46,
      "message": "Input เข้าในส่วนนี้"
    },
    {
      "message_id": 84,
      "agent_id": 16,
      "delay": 6.598,
      "onscreen_delay": 5.813,
      "typing_delay": 0.785,
      "typing_duration": 8.795,
      "wpm": 61,
      "message": "นะคะ Input เข้า P เข้าไป P มาเจอ Not "
    },
    {
      "message_id": 85,
      "agent_id": 29,
      "delay": 4.794,
      "onscreen_delay": 4.29,
      "typing_delay": 0.504,
      "typing_duration": 11.42,
      "wpm": 41,
      "message": "มาเจอ Not กลายเป็น Q Bar แบบนี้"
    },
    {
      "message_id": 86,
      "agent_id": 12,
      "delay": 7.417,
      "onscreen_delay": 6.374,
      "typing_delay": 1.043,
      "typing_duration": 5.714,
      "wpm": 71,
      "message": "เขียนไว้ก่อนนะคะ ตรงนี้เป็น"
    },
    {
      "message_id": 87,
      "agent_id": 14,
      "delay": 3.416,
      "onscreen_delay": 0.265,
      "typing_delay": 3.151,
      "typing_duration": 8.683,
      "wpm": 12,
      "message": "จากนั้น "
    },
    {
      "message_id": 88,
      "agent_id": 16,
      "delay": 4.682,
      "onscreen_delay": 3.564,
      "typing_delay": 1.118,
      "typing_duration": 9.164,
      "wpm": 49,
      "message": "Input 2 เส้นนี้ ส่งเข้า Andget "
    },
    {
      "message_id": 89,
      "agent_id": 29,
      "delay": 5.162,
      "onscreen_delay": 3.161,
      "typing_delay": 2.001,
      "typing_duration": 7.151,
      "wpm": 23,
      "message": "P and Q Bar "
    },
    {
      "message_id": 90,
      "agent_id": 12,
      "delay": 5.267,
      "onscreen_delay": 0,
      "typing_delay": 5.267,
      "typing_duration": 5.267,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 91,
      "agent_id": 14,
      "delay": 3.13,
      "onscreen_delay": 0,
      "typing_delay": 3.13,
      "typing_duration": 8.585,
      "wpm": 21,
      "message": "โอ.เค. ไหมคะ "
    },
    {
      "message_id": 92,
      "agent_id": 16,
      "delay": 4.583,
      "onscreen_delay": 2.415,
      "typing_delay": 2.168,
      "typing_duration": 6.891,
      "wpm": 28,
      "message": "ครูเขียนขอโทษ "
    },
    {
      "message_id": 93,
      "agent_id": 29,
      "delay": 2.89,
      "onscreen_delay": 1.932,
      "typing_delay": 0.958,
      "typing_duration": 10.296,
      "wpm": 36,
      "message": "Bar มันต้องมีเฉพาะ Q นะคะ "
    },
    {
      "message_id": 94,
      "agent_id": 12,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 95,
      "agent_id": 14,
      "delay": 11.005,
      "onscreen_delay": 9.856,
      "typing_delay": 1.149,
      "typing_duration": 9.012,
      "wpm": 68,
      "message": "ไปตรงนี้ถูกต้อง คือ ขีดเส้นตรงต้องอยู่ที่"
    },
    {
      "message_id": 96,
      "agent_id": 16,
      "delay": 7.003,
      "onscreen_delay": 5.403,
      "typing_delay": 1.6,
      "typing_duration": 7.732,
      "wpm": 76,
      "message": "ตัว Q ตัวเดียว เพราะว่ามันผ่าน Not นะคะ "
    },
    {
      "message_id": 97,
      "agent_id": 29,
      "delay": 3.731,
      "onscreen_delay": 1.29,
      "typing_delay": 2.441,
      "typing_duration": 8.156,
      "wpm": 17,
      "message": "จากนั้น P"
    },
    {
      "message_id": 98,
      "agent_id": 12,
      "delay": 4.155,
      "onscreen_delay": 2.965,
      "typing_delay": 1.19,
      "typing_duration": 9.445,
      "wpm": 8,
      "message": ".Qbar "
    },
    {
      "message_id": 99,
      "agent_id": 14,
      "delay": 5.438,
      "onscreen_delay": 4.182,
      "typing_delay": 1.256,
      "typing_duration": 15.004,
      "wpm": 52,
      "message": "Process ตัวนี้นะคะ Process ตัวนี้ก็คือ NOT อีกตัวหนึ"
    },
    {
      "message_id": 100,
      "agent_id": 16,
      "delay": 10.989,
      "onscreen_delay": 9.401,
      "typing_delay": 1.588,
      "typing_duration": 8.201,
      "wpm": 62,
      "message": "แสดงว่า ตัวที่ส่งเข้า INPUT จะต้อง"
    },
    {
      "message_id": 101,
      "agent_id": 29,
      "delay": 6.987,
      "onscreen_delay": 5.317,
      "typing_delay": 1.67,
      "typing_duration": 10.158,
      "wpm": 46,
      "message": "ถูกขีด Bar ใหญ่ ๆ อีกครั้งหนึ่ง "
    },
    {
      "message_id": 102,
      "agent_id": 12,
      "delay": 6.142,
      "onscreen_delay": 3.739,
      "typing_delay": 2.403,
      "typing_duration": 12.119,
      "wpm": 24,
      "message": "ตรงนี้นะคะ จะเป็น P"
    },
    {
      "message_id": 103,
      "agent_id": 14,
      "delay": 8.117,
      "onscreen_delay": 7.542,
      "typing_delay": 0.575,
      "typing_duration": 8.283,
      "wpm": 33,
      "message": ".Q Bar ทั้งหมด Bar "
    },
    {
      "message_id": 104,
      "agent_id": 16,
      "delay": 4.283,
      "onscreen_delay": 2.518,
      "typing_delay": 1.765,
      "typing_duration": 7.215,
      "wpm": 40,
      "message": "อันนี้คือ Input ที่"
    },
    {
      "message_id": 105,
      "agent_id": 29,
      "delay": 3.213,
      "onscreen_delay": 1.933,
      "typing_delay": 1.28,
      "typing_duration": 8.599,
      "wpm": 42,
      "message": "เข้า And Gate อันสุดท้าย "
    },
    {
      "message_id": 106,
      "agent_id": 12,
      "delay": 4.596,
      "onscreen_delay": 2.761,
      "typing_delay": 1.835,
      "typing_duration": 9.374,
      "wpm": 40,
      "message": "เราทำเส้นข้างบนแล้วก็มาทำ"
    },
    {
      "message_id": 107,
      "agent_id": 14,
      "delay": 5.374,
      "onscreen_delay": 4.355,
      "typing_delay": 1.019,
      "typing_duration": 10.46,
      "wpm": 47,
      "message": "เส้นข้างล่างนี้เรามาดูตรง Input Q "
    },
    {
      "message_id": 108,
      "agent_id": 16,
      "delay": 6.457,
      "onscreen_delay": 5.944,
      "typing_delay": 0.513,
      "typing_duration": 6.444,
      "wpm": 58,
      "message": "input q เชื่อม เข้าตรงนี้ "
    },
    {
      "message_id": 109,
      "agent_id": 29,
      "delay": 2.455,
      "onscreen_delay": 1.484,
      "typing_delay": 0.971,
      "typing_duration": 7.816,
      "wpm": 23,
      "message": "Not ใช่ไหมคะ "
    },
    {
      "message_id": 110,
      "agent_id": 12,
      "delay": 3.811,
      "onscreen_delay": 3.145,
      "typing_delay": 0.666,
      "typing_duration": 8.724,
      "wpm": 43,
      "message": "ตัวที่ออกมาตรงนี้ก็จะเป็น "
    },
    {
      "message_id": 111,
      "agent_id": 14,
      "delay": 4.722,
      "onscreen_delay": 3.404,
      "typing_delay": 1.318,
      "typing_duration": 5.295,
      "wpm": 14,
      "message": "Q Bar "
    },
    {
      "message_id": 112,
      "agent_id": 16,
      "delay": 1.294,
      "onscreen_delay": 0.002,
      "typing_delay": 1.292,
      "typing_duration": 7.543,
      "wpm": 48,
      "message": "สำหรับตัว P input P นะคะ "
    },
    {
      "message_id": 113,
      "agent_id": 29,
      "delay": 3.541,
      "onscreen_delay": 2.6,
      "typing_delay": 0.941,
      "typing_duration": 15.001,
      "wpm": 36,
      "message": "เชื่อมลงมาข้างล่างมาเจอ P นะคะ P Bar "
    },
    {
      "message_id": 114,
      "agent_id": 12,
      "delay": 11,
      "onscreen_delay": 6.423,
      "typing_delay": 4.577,
      "typing_duration": 4.577,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 115,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 3.861,
      "typing_delay": 3.137,
      "typing_duration": 11.82,
      "wpm": 19,
      "message": "P Bar และ Input "
    },
    {
      "message_id": 116,
      "agent_id": 16,
      "delay": 7.819,
      "onscreen_delay": 5.961,
      "typing_delay": 1.858,
      "typing_duration": 7.271,
      "wpm": 47,
      "message": "Q บาร์ ถูกส่งเข้าอะไรคะ "
    },
    {
      "message_id": 117,
      "agent_id": 29,
      "delay": 4.31,
      "onscreen_delay": 0,
      "typing_delay": 4.31,
      "typing_duration": 14.376,
      "wpm": 32,
      "message": "OR Gate คือ สัญลักษณ์อะไรคะ บวก"
    },
    {
      "message_id": 118,
      "agent_id": 12,
      "delay": 10.375,
      "onscreen_delay": 9.723,
      "typing_delay": 0.652,
      "typing_duration": 5.431,
      "wpm": 55,
      "message": "กันใช่ไหม ถึงเส้นนี้ "
    },
    {
      "message_id": 119,
      "agent_id": 14,
      "delay": 6.374,
      "onscreen_delay": 2.446,
      "typing_delay": 3.928,
      "typing_duration": 9.216,
      "wpm": 24,
      "message": "Output ก็จะเป็น "
    },
    {
      "message_id": 120,
      "agent_id": 16,
      "delay": 5.212,
      "onscreen_delay": 4.926,
      "typing_delay": 0.286,
      "typing_duration": 7.279,
      "wpm": 27,
      "message": "P bar + Q bar "
    },
    {
      "message_id": 121,
      "agent_id": 29,
      "delay": 3.272,
      "onscreen_delay": 2.169,
      "typing_delay": 1.103,
      "typing_duration": 13.786,
      "wpm": 49,
      "message": "มาดูเส้นข้างล่างนะคะ เส้นข้างล่าง คือ เส้นนี้ "
    },
    {
      "message_id": 122,
      "agent_id": 12,
      "delay": 9.785,
      "onscreen_delay": 7.165,
      "typing_delay": 2.62,
      "typing_duration": 10.598,
      "wpm": 38,
      "message": "Q Input Q ส่งเข้ามาเรื่อย ๆ "
    },
    {
      "message_id": 123,
      "agent_id": 14,
      "delay": 6.594,
      "onscreen_delay": 6.051,
      "typing_delay": 0.543,
      "typing_duration": 5.993,
      "wpm": 43,
      "message": "ส่งเข้ามาเรื่อย ๆ "
    },
    {
      "message_id": 124,
      "agent_id": 16,
      "delay": 2.593,
      "onscreen_delay": 1.921,
      "typing_delay": 0.672,
      "typing_duration": 6.83,
      "wpm": 72,
      "message": "มาเข้า and get ผลลัพธ์ที่เกิดขึ้น "
    },
    {
      "message_id": 125,
      "agent_id": 29,
      "delay": 2.828,
      "onscreen_delay": 1.467,
      "typing_delay": 1.361,
      "typing_duration": 8.954,
      "wpm": 52,
      "message": "And Gate เป็นการเอามาคูณกันนะคะ "
    },
    {
      "message_id": 126,
      "agent_id": 12,
      "delay": 4.951,
      "onscreen_delay": 4.613,
      "typing_delay": 0.338,
      "typing_duration": 12.166,
      "wpm": 49,
      "message": "คำตอบที่ได้ก็จะเป็นในเส้นข้างล่างนี้นะคะ "
    },
    {
      "message_id": 127,
      "agent_id": 14,
      "delay": 8.165,
      "onscreen_delay": 7.849,
      "typing_delay": 0.316,
      "typing_duration": 8.774,
      "wpm": 24,
      "message": "ในวงเล็บ P Bar "
    },
    {
      "message_id": 128,
      "agent_id": 16,
      "delay": 4.773,
      "onscreen_delay": 3.359,
      "typing_delay": 1.414,
      "typing_duration": 8.827,
      "wpm": 20,
      "message": "+ Q บาร์ + ."
    },
    {
      "message_id": 129,
      "agent_id": 29,
      "delay": 4.823,
      "onscreen_delay": 3.865,
      "typing_delay": 0.958,
      "typing_duration": 11.61,
      "wpm": 35,
      "message": "Q ตรงนี้ครูเขียน Q กำกับไว้ "
    },
    {
      "message_id": 130,
      "agent_id": 12,
      "delay": 7.602,
      "onscreen_delay": 5.265,
      "typing_delay": 2.337,
      "typing_duration": 5.745,
      "wpm": 55,
      "message": "เรียบร้อยแล้ว จากนั้น"
    },
    {
      "message_id": 131,
      "agent_id": 14,
      "delay": 3.601,
      "onscreen_delay": 3.432,
      "typing_delay": 0.169,
      "typing_duration": 10.9,
      "wpm": 70,
      "message": "เราก็เอา Input เส้นข้างบนกับ Input เส้นข้างล่างเข้า "
    },
    {
      "message_id": 132,
      "agent_id": 16,
      "delay": 6.899,
      "onscreen_delay": 5.04,
      "typing_delay": 1.859,
      "typing_duration": 6.684,
      "wpm": 43,
      "message": "and get ก็คือการดอท "
    },
    {
      "message_id": 133,
      "agent_id": 29,
      "delay": 2.897,
      "onscreen_delay": 2.193,
      "typing_delay": 0.704,
      "typing_duration": 13.725,
      "wpm": 32,
      "message": "มีคำตอบนะคะ เท่ากับ R เท่ากับ"
    },
    {
      "message_id": 134,
      "agent_id": 12,
      "delay": 9.725,
      "onscreen_delay": 8.616,
      "typing_delay": 1.109,
      "typing_duration": 9.446,
      "wpm": 48,
      "message": "ข้างบนนะคะ Input ข้างบนก็คือ P"
    },
    {
      "message_id": 135,
      "agent_id": 14,
      "delay": 5.723,
      "onscreen_delay": 5.262,
      "typing_delay": 0.461,
      "typing_duration": 6.567,
      "wpm": 41,
      "message": ".Q Bar ทั้งหมด Bar "
    },
    {
      "message_id": 136,
      "agent_id": 16,
      "delay": 2.563,
      "onscreen_delay": 1.568,
      "typing_delay": 0.995,
      "typing_duration": 7.433,
      "wpm": 46,
      "message": "dot ในวงเล็บ P บาร์ บวก "
    },
    {
      "message_id": 137,
      "agent_id": 29,
      "delay": 3.433,
      "onscreen_delay": 2.382,
      "typing_delay": 1.051,
      "typing_duration": 9.751,
      "wpm": 14,
      "message": "Q Bar . Q "
    },
    {
      "message_id": 138,
      "agent_id": 12,
      "delay": 5.749,
      "onscreen_delay": 5.247,
      "typing_delay": 0.502,
      "typing_duration": 10.814,
      "wpm": 29,
      "message": "อันนี้คือพีชคณิตบูรีน"
    },
    {
      "message_id": 139,
      "agent_id": 14,
      "delay": 6.809,
      "onscreen_delay": 6.512,
      "typing_delay": 0.297,
      "typing_duration": 12.389,
      "wpm": 62,
      "message": "ว่ามันยุ่งเหยิงนะคะ เราสามารถลดรูปเป็นวงจรอย่างง่าย"
    },
    {
      "message_id": 140,
      "agent_id": 16,
      "delay": 8.388,
      "onscreen_delay": 7.062,
      "typing_delay": 1.326,
      "typing_duration": 5.227,
      "wpm": 86,
      "message": "ที่ทำงานได้เท่าเทียมกันอย่างไร "
    },
    {
      "message_id": 141,
      "agent_id": 29,
      "delay": 5.486,
      "onscreen_delay": 0,
      "typing_delay": 5.486,
      "typing_duration": 5.486,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 142,
      "agent_id": 12,
      "delay": 1.485,
      "onscreen_delay": 0.693,
      "typing_delay": 0.792,
      "typing_duration": 5.73,
      "wpm": 39,
      "message": "จากตัวโจทย์นะคะ "
    },
    {
      "message_id": 143,
      "agent_id": 14,
      "delay": 1.729,
      "onscreen_delay": 0.916,
      "typing_delay": 0.813,
      "typing_duration": 8.637,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 144,
      "agent_id": 16,
      "delay": 4.636,
      "onscreen_delay": 2.363,
      "typing_delay": 2.273,
      "typing_duration": 9.76,
      "wpm": 41,
      "message": "P คูณ Q บาร์ ครูจะใส่วงเล็บ"
    },
    {
      "message_id": 145,
      "agent_id": 29,
      "delay": 5.759,
      "onscreen_delay": 5.381,
      "typing_delay": 0.378,
      "typing_duration": 15.002,
      "wpm": 37,
      "message": "เพื่อให้เราเห็นมันเป็น Input ข้างบนนะ"
    },
    {
      "message_id": 146,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 9.06,
      "typing_delay": 1.939,
      "typing_duration": 8.861,
      "wpm": 20,
      "message": "ตรงนี้ครูใส่"
    },
    {
      "message_id": 147,
      "agent_id": 14,
      "delay": 6.997,
      "onscreen_delay": 6.647,
      "typing_delay": 0.35,
      "typing_duration": 12.561,
      "wpm": 36,
      "message": "ใส่ได้นะ ส่วนตัวนี้ก็คือ Input "
    },
    {
      "message_id": 148,
      "agent_id": 16,
      "delay": 8.56,
      "onscreen_delay": 4.406,
      "typing_delay": 4.154,
      "typing_duration": 8.126,
      "wpm": 37,
      "message": "เส้นข้างล่าง จากนั้น "
    },
    {
      "message_id": 149,
      "agent_id": 29,
      "delay": 4.559,
      "onscreen_delay": 3.365,
      "typing_delay": 1.194,
      "typing_duration": 9.339,
      "wpm": 53,
      "message": "ครูก็จะใช้คุณสมบัติที่เราเรียนกัน "
    },
    {
      "message_id": 150,
      "agent_id": 12,
      "delay": 5.336,
      "onscreen_delay": 2.595,
      "typing_delay": 2.741,
      "typing_duration": 8.956,
      "wpm": 59,
      "message": "คราวนี้คุณสมบัติที่เราเรียนกันมันมี"
    },
    {
      "message_id": 151,
      "agent_id": 14,
      "delay": 4.956,
      "onscreen_delay": 4.801,
      "typing_delay": 0.155,
      "typing_duration": 10.191,
      "wpm": 69,
      "message": "หลายอย่าง อย่างเช่นนะคะ เดี๋ยวครูจะ Stop ตรงนี้ "
    },
    {
      "message_id": 152,
      "agent_id": 16,
      "delay": 6.189,
      "onscreen_delay": 1.745,
      "typing_delay": 4.444,
      "typing_duration": 4.444,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 153,
      "agent_id": 29,
      "delay": 4.279,
      "onscreen_delay": 0,
      "typing_delay": 4.279,
      "typing_duration": 4.279,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 154,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 155,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 156,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 157,
      "agent_id": 29,
      "delay": 12.44,
      "onscreen_delay": 0,
      "typing_delay": 12.44,
      "typing_duration": 12.44,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 158,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 159,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 9.506,
      "typing_delay": 1.492,
      "typing_duration": 10.103,
      "wpm": 33,
      "message": "อันนี้ทวนนะคะ ทฤษฎีของ"
    },
    {
      "message_id": 160,
      "agent_id": 16,
      "delay": 6.996,
      "onscreen_delay": 5.033,
      "typing_delay": 1.963,
      "typing_duration": 10.3,
      "wpm": 57,
      "message": "พีชคณิตบูรีน ตอนนี้เราน่าจะมองเห็นไหมคะ "
    },
    {
      "message_id": 161,
      "agent_id": 29,
      "delay": 6.299,
      "onscreen_delay": 4.436,
      "typing_delay": 1.863,
      "typing_duration": 4.305,
      "wpm": 38,
      "message": "เห็นไหมเอ่ย "
    },
    {
      "message_id": 162,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 163,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 6.671,
      "typing_delay": 4.327,
      "typing_duration": 4.327,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 164,
      "agent_id": 16,
      "delay": 6.996,
      "onscreen_delay": 4.641,
      "typing_delay": 2.355,
      "typing_duration": 11.616,
      "wpm": 50,
      "message": "ตอนนี้หน้าจอนักศึกษามองเห็นเป็นอะไรเอ่ย "
    },
    {
      "message_id": 165,
      "agent_id": 29,
      "delay": 7.615,
      "onscreen_delay": 3.133,
      "typing_delay": 4.482,
      "typing_duration": 4.482,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 166,
      "agent_id": 12,
      "delay": 5.171,
      "onscreen_delay": 0,
      "typing_delay": 5.171,
      "typing_duration": 5.171,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 167,
      "agent_id": 14,
      "delay": 8.625,
      "onscreen_delay": 0,
      "typing_delay": 8.625,
      "typing_duration": 8.625,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 168,
      "agent_id": 16,
      "delay": 5.284,
      "onscreen_delay": 0,
      "typing_delay": 5.284,
      "typing_duration": 14.133,
      "wpm": 35,
      "message": "เดี๋ยวนะคะ แป๊บหนึ่ง Share Screen "
    },
    {
      "message_id": 169,
      "agent_id": 29,
      "delay": 10.131,
      "onscreen_delay": 4.955,
      "typing_delay": 5.176,
      "typing_duration": 5.176,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 170,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 171,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 7.817,
      "typing_delay": 3.183,
      "typing_duration": 9.582,
      "wpm": 20,
      "message": "ทำไมไม่เห็นนะ "
    },
    {
      "message_id": 172,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 2.731,
      "typing_delay": 4.267,
      "typing_duration": 4.267,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 173,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 174,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 175,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 6.648,
      "typing_delay": 4.35,
      "typing_duration": 4.35,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 176,
      "agent_id": 16,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 177,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 178,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 179,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 6.486,
      "typing_delay": 4.511,
      "typing_duration": 4.511,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 180,
      "agent_id": 16,
      "delay": 7.776,
      "onscreen_delay": 0,
      "typing_delay": 7.776,
      "typing_duration": 10.582,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 181,
      "agent_id": 29,
      "delay": 6.581,
      "onscreen_delay": 4.601,
      "typing_delay": 1.98,
      "typing_duration": 14.768,
      "wpm": 41,
      "message": "ที่หน้าจอของนักศึกษาเห็นเป็นทฤษฎีบทที่ 1 "
    },
    {
      "message_id": 182,
      "agent_id": 12,
      "delay": 10.765,
      "onscreen_delay": 7.982,
      "typing_delay": 2.783,
      "typing_duration": 6.135,
      "wpm": 37,
      "message": "เห็นหรือยังเอ่ย "
    },
    {
      "message_id": 183,
      "agent_id": 14,
      "delay": 6.76,
      "onscreen_delay": 3.579,
      "typing_delay": 3.181,
      "typing_duration": 9.191,
      "wpm": 69,
      "message": "(นักศึกษาชาย) ไม่เห็นครับอาจารย์ (อาจารย์) "
    },
    {
      "message_id": 184,
      "agent_id": 16,
      "delay": 5.19,
      "onscreen_delay": 3.433,
      "typing_delay": 1.757,
      "typing_duration": 7.509,
      "wpm": 54,
      "message": "ถ้าอย่างนั้นรอแป๊บหนึ่งนะคะ "
    },
    {
      "message_id": 185,
      "agent_id": 29,
      "delay": 3.508,
      "onscreen_delay": 2.273,
      "typing_delay": 1.235,
      "typing_duration": 14.357,
      "wpm": 32,
      "message": "BSS 02 พีชคณิตบูลีน ที่ครูให้ไป "
    },
    {
      "message_id": 186,
      "agent_id": 12,
      "delay": 10.356,
      "onscreen_delay": 8.083,
      "typing_delay": 2.273,
      "typing_duration": 11.266,
      "wpm": 63,
      "message": "พอดีว่าเน็ตที่บ้านครูอาจจะช้านิดหนึ่ง วันนี้ครู"
    },
    {
      "message_id": 187,
      "agent_id": 14,
      "delay": 7.265,
      "onscreen_delay": 6.989,
      "typing_delay": 0.276,
      "typing_duration": 7.696,
      "wpm": 84,
      "message": "ไม่ได้เข้ามหาวิทยาลัยค่ะ คือ ใช้เน็ตที่บ้าน "
    },
    {
      "message_id": 188,
      "agent_id": 16,
      "delay": 4.626,
      "onscreen_delay": 0,
      "typing_delay": 4.626,
      "typing_duration": 4.626,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 189,
      "agent_id": 29,
      "delay": 5.16,
      "onscreen_delay": 0,
      "typing_delay": 5.16,
      "typing_duration": 8.761,
      "wpm": 10,
      "message": "สำหรับ"
    },
    {
      "message_id": 190,
      "agent_id": 12,
      "delay": 4.76,
      "onscreen_delay": 2.699,
      "typing_delay": 2.061,
      "typing_duration": 10.856,
      "wpm": 47,
      "message": "นักศึกษาที่มีไฟล์เก่านะคะ ให้ดูที่"
    },
    {
      "message_id": 191,
      "agent_id": 14,
      "delay": 6.854,
      "onscreen_delay": 5.961,
      "typing_delay": 0.893,
      "typing_duration": 12.953,
      "wpm": 45,
      "message": "ทฤษฎีบทพีชคณิตบูลีนนะคะ ที่เป็นไฟล์ PDF "
    },
    {
      "message_id": 192,
      "agent_id": 16,
      "delay": 8.952,
      "onscreen_delay": 6.377,
      "typing_delay": 2.575,
      "typing_duration": 6.792,
      "wpm": 22,
      "message": "ทฤษฎีบทแรก"
    },
    {
      "message_id": 193,
      "agent_id": 29,
      "delay": 4.95,
      "onscreen_delay": 4.383,
      "typing_delay": 0.567,
      "typing_duration": 15.013,
      "wpm": 41,
      "message": "ของในตัวเทอมนะคะ เราจะเห็นมีการใช้นิเศษ น"
    },
    {
      "message_id": 194,
      "agent_id": 12,
      "delay": 11.012,
      "onscreen_delay": 9.112,
      "typing_delay": 1.9,
      "typing_duration": 6.087,
      "wpm": 32,
      "message": "มีการใช้นิเสธ "
    },
    {
      "message_id": 195,
      "agent_id": 14,
      "delay": 7.012,
      "onscreen_delay": 6.67,
      "typing_delay": 0.342,
      "typing_duration": 15.001,
      "wpm": 67,
      "message": "คราวนี้เราจะลดรูปของวงจรตรงนั้นเราก็ไปดูว่าเราจะใช้ทฤษฎีอะไรได้บ้าง"
    },
    {
      "message_id": 196,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 10.201,
      "typing_delay": 0.799,
      "typing_duration": 6.199,
      "wpm": 60,
      "message": "เราก็เลื่อนลงไปทฤษฎีที่ 1 "
    },
    {
      "message_id": 197,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 5.714,
      "typing_delay": 1.283,
      "typing_duration": 10.524,
      "wpm": 30,
      "message": "เลื่อนไปเรื่อย ๆ นะคะ "
    },
    {
      "message_id": 198,
      "agent_id": 12,
      "delay": 6.523,
      "onscreen_delay": 5.206,
      "typing_delay": 1.317,
      "typing_duration": 10.093,
      "wpm": 36,
      "message": "ถึงทฤษฎีบทที่ 7 ใช่ไหมคะ "
    },
    {
      "message_id": 199,
      "agent_id": 14,
      "delay": 6.092,
      "onscreen_delay": 4.453,
      "typing_delay": 1.639,
      "typing_duration": 12.467,
      "wpm": 77,
      "message": "7 นี่ก็ยังไม่มีว่าด้วยเรื่องของการนิเสธเลย เราก็เลื่อนไปเรื่อย ๆ "
    },
    {
      "message_id": 200,
      "agent_id": 16,
      "delay": 8.466,
      "onscreen_delay": 3.436,
      "typing_delay": 5.03,
      "typing_duration": 8.615,
      "wpm": 31,
      "message": "รวมถึงทฤษฎีบทที่ 9 "
    },
    {
      "message_id": 201,
      "agent_id": 29,
      "delay": 4.613,
      "onscreen_delay": 2.664,
      "typing_delay": 1.949,
      "typing_duration": 12.955,
      "wpm": 30,
      "message": "ทฤษฎีบทที่ 9 ก็มีนิเสธอยู่ "
    },
    {
      "message_id": 202,
      "agent_id": 12,
      "delay": 8.954,
      "onscreen_delay": 6.868,
      "typing_delay": 2.086,
      "typing_duration": 12.687,
      "wpm": 11,
      "message": "A+A Bar.B "
    },
    {
      "message_id": 203,
      "agent_id": 14,
      "delay": 8.687,
      "onscreen_delay": 7.531,
      "typing_delay": 1.156,
      "typing_duration": 9.83,
      "wpm": 53,
      "message": "ก็ยังไม่ใช่เทิร์นที่เราจะใช้งานนะคะ "
    },
    {
      "message_id": 204,
      "agent_id": 16,
      "delay": 5.828,
      "onscreen_delay": 4.557,
      "typing_delay": 1.271,
      "typing_duration": 7.875,
      "wpm": 57,
      "message": "เรามาเจอทฤษฎีบทที่ 10 มี 2 ข้อ "
    },
    {
      "message_id": 205,
      "agent_id": 29,
      "delay": 3.872,
      "onscreen_delay": 2.166,
      "typing_delay": 1.706,
      "typing_duration": 15,
      "wpm": 33,
      "message": "ทฤษฎีบทที่ 10 นะคะ ของ Demor gand"
    },
    {
      "message_id": 206,
      "agent_id": 12,
      "delay": 10.992,
      "onscreen_delay": 10.286,
      "typing_delay": 0.706,
      "typing_duration": 15.001,
      "wpm": 19,
      "message": "เขาบอกว่า A + B.Bar "
    },
    {
      "message_id": 207,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 9.041,
      "typing_delay": 1.959,
      "typing_duration": 10.823,
      "wpm": 24,
      "message": "A + B ทั้งหมด Bar "
    },
    {
      "message_id": 208,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 5.807,
      "typing_delay": 1.191,
      "typing_duration": 6.979,
      "wpm": 64,
      "message": "อันนี้คือข้อ A ส่วนข้อ B ก็คือ "
    },
    {
      "message_id": 209,
      "agent_id": 29,
      "delay": 2.997,
      "onscreen_delay": 2.227,
      "typing_delay": 0.77,
      "typing_duration": 15.001,
      "wpm": 5,
      "message": "A.Bar "
    },
    {
      "message_id": 210,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 9.873,
      "typing_delay": 1.126,
      "typing_duration": 7.255,
      "wpm": 31,
      "message": "จะเท่ากับ B.bar "
    },
    {
      "message_id": 211,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.693,
      "typing_delay": 0.305,
      "typing_duration": 8.598,
      "wpm": 59,
      "message": "นะคะ เราจะไปดูว่าเราจะใช้ A หรือ B "
    },
    {
      "message_id": 212,
      "agent_id": 16,
      "delay": 4.597,
      "onscreen_delay": 3.327,
      "typing_delay": 1.27,
      "typing_duration": 5.34,
      "wpm": 65,
      "message": "ต้องมาดูโจทย์ของเรานะคะ "
    },
    {
      "message_id": 213,
      "agent_id": 29,
      "delay": 1.864,
      "onscreen_delay": 0,
      "typing_delay": 1.864,
      "typing_duration": 12.792,
      "wpm": 34,
      "message": "ตั้งแต้เมื่อกี้ครูลืมเขียนไว้ "
    },
    {
      "message_id": 214,
      "agent_id": 12,
      "delay": 8.787,
      "onscreen_delay": 3.996,
      "typing_delay": 4.791,
      "typing_duration": 12.068,
      "wpm": 15,
      "message": "ลืม Save ไว้ "
    },
    {
      "message_id": 215,
      "agent_id": 14,
      "delay": 8.066,
      "onscreen_delay": 6.882,
      "typing_delay": 1.184,
      "typing_duration": 9.536,
      "wpm": 57,
      "message": "โอ.เค. ตัวโจทย์เมื่อกี้ R เท่ากับ... "
    },
    {
      "message_id": 216,
      "agent_id": 16,
      "delay": 5.535,
      "onscreen_delay": 4.151,
      "typing_delay": 1.384,
      "typing_duration": 7.428,
      "wpm": 50,
      "message": "เดี๋ยวครูดูโจทย์แป๊บหนึ่ง"
    },
    {
      "message_id": 217,
      "agent_id": 29,
      "delay": 3.427,
      "onscreen_delay": 0.672,
      "typing_delay": 2.755,
      "typing_duration": 10.655,
      "wpm": 15,
      "message": "ในวงเล็บ P."
    },
    {
      "message_id": 218,
      "agent_id": 12,
      "delay": 6.654,
      "onscreen_delay": 4.862,
      "typing_delay": 1.792,
      "typing_duration": 9.415,
      "wpm": 29,
      "message": ".Q bar ทั้งหมด bar "
    },
    {
      "message_id": 219,
      "agent_id": 14,
      "delay": 5.414,
      "onscreen_delay": 4.793,
      "typing_delay": 0.621,
      "typing_duration": 10.898,
      "wpm": 63,
      "message": "อันนี้ Input เส้นบนนะคะ ส่วนเส้นข้างล่าง ก็คือ"
    },
    {
      "message_id": 220,
      "agent_id": 16,
      "delay": 6.896,
      "onscreen_delay": 4.156,
      "typing_delay": 2.74,
      "typing_duration": 8.988,
      "wpm": 30,
      "message": "ในวงเล็บ P bar + Q "
    },
    {
      "message_id": 221,
      "agent_id": 29,
      "delay": 4.984,
      "onscreen_delay": 3.258,
      "typing_delay": 1.726,
      "typing_duration": 15.001,
      "wpm": 27,
      "message": "Q สิ่งแรกที่เราจะทำให้วงเล็"
    },
    {
      "message_id": 222,
      "agent_id": 12,
      "delay": 11.001,
      "onscreen_delay": 9.376,
      "typing_delay": 1.625,
      "typing_duration": 6.048,
      "wpm": 47,
      "message": "ตัวนี้ก่อนเห็นไหมคะ "
    },
    {
      "message_id": 223,
      "agent_id": 14,
      "delay": 7,
      "onscreen_delay": 6.851,
      "typing_delay": 0.149,
      "typing_duration": 14.094,
      "wpm": 47,
      "message": "ตัวนี้ ในตัวนี้นี่เราจะใช้ De Morgan's ข้อ B "
    },
    {
      "message_id": 224,
      "agent_id": 16,
      "delay": 10.089,
      "onscreen_delay": 8.279,
      "typing_delay": 1.81,
      "typing_duration": 8.538,
      "wpm": 46,
      "message": "เราจะใช้ เดอร์โมแกรน ข้อ B "
    },
    {
      "message_id": 225,
      "agent_id": 29,
      "delay": 6.088,
      "onscreen_delay": 4.495,
      "typing_delay": 1.593,
      "typing_duration": 9.057,
      "wpm": 41,
      "message": "มันจะมี Input 2 ตัว . กัน "
    },
    {
      "message_id": 226,
      "agent_id": 12,
      "delay": 5.056,
      "onscreen_delay": 3.56,
      "typing_delay": 1.496,
      "typing_duration": 10.967,
      "wpm": 27,
      "message": "คือมันมาจาก AND GATE "
    },
    {
      "message_id": 227,
      "agent_id": 14,
      "delay": 6.965,
      "onscreen_delay": 6.759,
      "typing_delay": 0.206,
      "typing_duration": 8.222,
      "wpm": 62,
      "message": "ให้มันเป็นเทียบเท่ากับ OR Gate ได้ "
    },
    {
      "message_id": 228,
      "agent_id": 16,
      "delay": 4.221,
      "onscreen_delay": 3.105,
      "typing_delay": 1.116,
      "typing_duration": 6.145,
      "wpm": 61,
      "message": "ก็คือใช้ เดอร์โมแกรนข้อ B "
    },
    {
      "message_id": 229,
      "agent_id": 29,
      "delay": 11.011,
      "onscreen_delay": 0,
      "typing_delay": 11.011,
      "typing_duration": 11.011,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 230,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 231,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 8.86,
      "typing_delay": 2.14,
      "typing_duration": 10.172,
      "wpm": 34,
      "message": "De Morgan's ข้อ B ก็คือ"
    },
    {
      "message_id": 232,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 6.346,
      "typing_delay": 0.651,
      "typing_duration": 8.743,
      "wpm": 51,
      "message": "เป็นตัวสูตรนะคะ A. Bar เท่ากับ "
    },
    {
      "message_id": 233,
      "agent_id": 29,
      "delay": 4.741,
      "onscreen_delay": 3.233,
      "typing_delay": 1.508,
      "typing_duration": 12.779,
      "wpm": 23,
      "message": "A Bar + B Bar อันนี้"
    },
    {
      "message_id": 234,
      "agent_id": 12,
      "delay": 8.778,
      "onscreen_delay": 5.587,
      "typing_delay": 3.191,
      "typing_duration": 8.063,
      "wpm": 30,
      "message": "จากทฤษฎีบทที่ 10 "
    },
    {
      "message_id": 235,
      "agent_id": 14,
      "delay": 4.773,
      "onscreen_delay": 0.501,
      "typing_delay": 4.272,
      "typing_duration": 4.272,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 236,
      "agent_id": 16,
      "delay": 5.038,
      "onscreen_delay": 0,
      "typing_delay": 5.038,
      "typing_duration": 10.018,
      "wpm": 42,
      "message": "ข้อ B นะคะ เขากล่าวไว้แบบนี้"
    },
    {
      "message_id": 237,
      "agent_id": 29,
      "delay": 6.017,
      "onscreen_delay": 4.639,
      "typing_delay": 1.378,
      "typing_duration": 10.684,
      "wpm": 32,
      "message": "ข้อ B เขากล่าวไว้แบบนี้ "
    },
    {
      "message_id": 238,
      "agent_id": 12,
      "delay": 6.683,
      "onscreen_delay": 5.499,
      "typing_delay": 1.184,
      "typing_duration": 7.478,
      "wpm": 40,
      "message": "A ในตัวสูตรเทียบนะคะ "
    },
    {
      "message_id": 239,
      "agent_id": 14,
      "delay": 3.476,
      "onscreen_delay": 2.666,
      "typing_delay": 0.81,
      "typing_duration": 9.853,
      "wpm": 46,
      "message": "ของเราก็คือตัว P ก็คือ Input P "
    },
    {
      "message_id": 240,
      "agent_id": 16,
      "delay": 5.849,
      "onscreen_delay": 5.019,
      "typing_delay": 0.83,
      "typing_duration": 7.184,
      "wpm": 48,
      "message": "เราก็เลยแยกเป็นในวงเล็บ "
    },
    {
      "message_id": 241,
      "agent_id": 29,
      "delay": 3.18,
      "onscreen_delay": 0.152,
      "typing_delay": 3.028,
      "typing_duration": 11.295,
      "wpm": 7,
      "message": "P Bar "
    },
    {
      "message_id": 242,
      "agent_id": 12,
      "delay": 7.294,
      "onscreen_delay": 5.444,
      "typing_delay": 1.85,
      "typing_duration": 11.323,
      "wpm": 34,
      "message": "+ Input ตัวที่ 2 คือ Q.bar "
    },
    {
      "message_id": 243,
      "agent_id": 14,
      "delay": 7.322,
      "onscreen_delay": 7.223,
      "typing_delay": 0.099,
      "typing_duration": 8.031,
      "wpm": 73,
      "message": "ใช่ไหมคะ เราก็ต้องใส่ Bar อีกครั้งหนึ่ง "
    },
    {
      "message_id": 244,
      "agent_id": 16,
      "delay": 4.029,
      "onscreen_delay": 3.312,
      "typing_delay": 0.717,
      "typing_duration": 7.075,
      "wpm": 47,
      "message": "ตามทฤษฎีของเดอร์โมแกรน "
    },
    {
      "message_id": 245,
      "agent_id": 29,
      "delay": 3.071,
      "onscreen_delay": 2.336,
      "typing_delay": 0.735,
      "typing_duration": 8.091,
      "wpm": 43,
      "message": "ต้องใส่ Bar เบิ้ลเข้าไป "
    },
    {
      "message_id": 246,
      "agent_id": 12,
      "delay": 4.09,
      "onscreen_delay": 0.001,
      "typing_delay": 4.089,
      "typing_duration": 11.184,
      "wpm": 42,
      "message": "ตอนนี้เราทำวงเล็บส่วนที่ 1 ก่อน "
    },
    {
      "message_id": 247,
      "agent_id": 14,
      "delay": 7.183,
      "onscreen_delay": 6.736,
      "typing_delay": 0.447,
      "typing_duration": 10.98,
      "wpm": 68,
      "message": "ครูจะทำทีละส่วน ๆ นะคะ เพราะนักศึกษาจะได้เข้าใจว่า"
    },
    {
      "message_id": 248,
      "agent_id": 16,
      "delay": 6.967,
      "onscreen_delay": 5.26,
      "typing_delay": 1.707,
      "typing_duration": 10.007,
      "wpm": 54,
      "message": "ในแต่ละขั้นตอนมันจะใช้ทฤษฎีบทไหนบ้าง "
    },
    {
      "message_id": 249,
      "agent_id": 29,
      "delay": 5.995,
      "onscreen_delay": 5.517,
      "typing_delay": 0.478,
      "typing_duration": 15,
      "wpm": 14,
      "message": "ใช้ทฤษฎีที่ 10 "
    },
    {
      "message_id": 250,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 9.804,
      "typing_delay": 1.195,
      "typing_duration": 11.48,
      "wpm": 43,
      "message": "เปลี่ยนจาก AND GATE เป็น ALL GATE "
    },
    {
      "message_id": 251,
      "agent_id": 14,
      "delay": 7.479,
      "onscreen_delay": 6.199,
      "typing_delay": 1.28,
      "typing_duration": 10.619,
      "wpm": 58,
      "message": "ตอนนี้เราก็จะเดาได้ว่าตรง Q เราจะทำอะไรคะ "
    },
    {
      "message_id": 252,
      "agent_id": 16,
      "delay": 6.618,
      "onscreen_delay": 4.378,
      "typing_delay": 2.24,
      "typing_duration": 6.874,
      "wpm": 41,
      "message": "Q มันมี ดับเบิลบาร์ "
    },
    {
      "message_id": 253,
      "agent_id": 29,
      "delay": 2.873,
      "onscreen_delay": 2.371,
      "typing_delay": 0.502,
      "typing_duration": 12.177,
      "wpm": 48,
      "message": "เราใช้ทฤษฎีบทที่เกี่ยวกับการนิเสธ ก็คือ"
    },
    {
      "message_id": 254,
      "agent_id": 12,
      "delay": 8.176,
      "onscreen_delay": 6.819,
      "typing_delay": 1.357,
      "typing_duration": 4.494,
      "wpm": 40,
      "message": "ทฤษฎีบทที่ 5 "
    },
    {
      "message_id": 255,
      "agent_id": 14,
      "delay": 4.172,
      "onscreen_delay": 3.051,
      "typing_delay": 1.121,
      "typing_duration": 12.379,
      "wpm": 30,
      "message": "ตรงนี้เราจะอ้างนะคะ เรียก"
    },
    {
      "message_id": 256,
      "agent_id": 16,
      "delay": 8.378,
      "onscreen_delay": 7.613,
      "typing_delay": 0.765,
      "typing_duration": 5.852,
      "wpm": 46,
      "message": "ทฤษฎีบทที่ 5 มาใช้ "
    },
    {
      "message_id": 257,
      "agent_id": 29,
      "delay": 4.377,
      "onscreen_delay": 3.45,
      "typing_delay": 0.927,
      "typing_duration": 8.612,
      "wpm": 26,
      "message": "ตัวย่อ ทบ. นะคะ "
    },
    {
      "message_id": 258,
      "agent_id": 12,
      "delay": 4.611,
      "onscreen_delay": 3.971,
      "typing_delay": 0.64,
      "typing_duration": 12.701,
      "wpm": 38,
      "message": "บทที่ 5 ทฤษฎีบทที่ 5 ที่เราจะใช้ "
    },
    {
      "message_id": 259,
      "agent_id": 14,
      "delay": 8.7,
      "onscreen_delay": 8.497,
      "typing_delay": 0.203,
      "typing_duration": 7.189,
      "wpm": 29,
      "message": "ก็คือข้อ B Boy "
    },
    {
      "message_id": 260,
      "agent_id": 16,
      "delay": 4.696,
      "onscreen_delay": 3.912,
      "typing_delay": 0.784,
      "typing_duration": 13.045,
      "wpm": 15,
      "message": "a ดับเบิลบาร์ "
    },
    {
      "message_id": 261,
      "agent_id": 29,
      "delay": 9.044,
      "onscreen_delay": 8.281,
      "typing_delay": 0.763,
      "typing_duration": 7.197,
      "wpm": 52,
      "message": "อันนี้คือตัวสูตรทฤษฎีนะคะ "
    },
    {
      "message_id": 262,
      "agent_id": 12,
      "delay": 5.034,
      "onscreen_delay": 4.172,
      "typing_delay": 0.862,
      "typing_duration": 9.263,
      "wpm": 44,
      "message": "ทฤษฎีบทที่ 5 B มาใช้ในบทนี้ "
    },
    {
      "message_id": 263,
      "agent_id": 14,
      "delay": 5.26,
      "onscreen_delay": 4.273,
      "typing_delay": 0.987,
      "typing_duration": 12.069,
      "wpm": 32,
      "message": "ถ้า A Double Bar เท่ากับ A "
    },
    {
      "message_id": 264,
      "agent_id": 16,
      "delay": 8.067,
      "onscreen_delay": 7.289,
      "typing_delay": 0.778,
      "typing_duration": 6.326,
      "wpm": 52,
      "message": "Q ดับเบิลบาร์เท่ากับ Q"
    },
    {
      "message_id": 265,
      "agent_id": 29,
      "delay": 4.057,
      "onscreen_delay": 3.25,
      "typing_delay": 0.807,
      "typing_duration": 5.097,
      "wpm": 56,
      "message": "เริ่มลดรูปทีละนิด ๆ "
    },
    {
      "message_id": 266,
      "agent_id": 12,
      "delay": 4.504,
      "onscreen_delay": 0,
      "typing_delay": 4.504,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 267,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.025,
      "typing_delay": 0.974,
      "typing_duration": 10.541,
      "wpm": 10,
      "message": "เท่ากับ "
    },
    {
      "message_id": 268,
      "agent_id": 16,
      "delay": 6.993,
      "onscreen_delay": 5.971,
      "typing_delay": 1.022,
      "typing_duration": 7.888,
      "wpm": 44,
      "message": "P + Q ในวงเล็บปีกกาใหญ่ "
    },
    {
      "message_id": 269,
      "agent_id": 29,
      "delay": 3.875,
      "onscreen_delay": 3.545,
      "typing_delay": 0.33,
      "typing_duration": 14.057,
      "wpm": 37,
      "message": "เป็นวงเล็บแล้วนะคะ P Bar + ในวงเล็บ "
    },
    {
      "message_id": 270,
      "agent_id": 12,
      "delay": 10.055,
      "onscreen_delay": 7.752,
      "typing_delay": 2.303,
      "typing_duration": 7.605,
      "wpm": 34,
      "message": ".Q คราวนี้เราจะทำ"
    },
    {
      "message_id": 271,
      "agent_id": 14,
      "delay": 6.054,
      "onscreen_delay": 5.889,
      "typing_delay": 0.165,
      "typing_duration": 6.477,
      "wpm": 23,
      "message": "อะไรได้อีก "
    },
    {
      "message_id": 272,
      "agent_id": 16,
      "delay": 2.473,
      "onscreen_delay": 0.971,
      "typing_delay": 1.502,
      "typing_duration": 7.47,
      "wpm": 46,
      "message": "วงเล็บแรกนี่ ค่อนข้างจะ"
    },
    {
      "message_id": 273,
      "agent_id": 29,
      "delay": 3.468,
      "onscreen_delay": 3.199,
      "typing_delay": 0.269,
      "typing_duration": 4.564,
      "wpm": 26,
      "message": "นิ่งแล้ว "
    },
    {
      "message_id": 274,
      "agent_id": 12,
      "delay": 4.134,
      "onscreen_delay": 0,
      "typing_delay": 4.134,
      "typing_duration": 11.284,
      "wpm": 43,
      "message": "ทำเป็นรูปนี้เราก็ไปต่อไม่ได้แล้ว "
    },
    {
      "message_id": 275,
      "agent_id": 14,
      "delay": 7.283,
      "onscreen_delay": 7.084,
      "typing_delay": 0.199,
      "typing_duration": 11.123,
      "wpm": 71,
      "message": "เหมือนกับไปต่อไม่ได้แล้ว หยุดก่อน หยุดการลดรูปมันก่อน "
    },
    {
      "message_id": 276,
      "agent_id": 16,
      "delay": 7.12,
      "onscreen_delay": 6.854,
      "typing_delay": 0.266,
      "typing_duration": 7.043,
      "wpm": 77,
      "message": "ที่เราจะทำงานกัน ในวงเล็บข้างหลังนี้ "
    },
    {
      "message_id": 277,
      "agent_id": 29,
      "delay": 3.117,
      "onscreen_delay": 2.79,
      "typing_delay": 0.327,
      "typing_duration": 11.193,
      "wpm": 54,
      "message": "ใช้การแจกแจงได้อยู่ใช่ไหมคะ เอา Q ตัวนี้"
    },
    {
      "message_id": 278,
      "agent_id": 12,
      "delay": 7.188,
      "onscreen_delay": 5.781,
      "typing_delay": 1.407,
      "typing_duration": 7.652,
      "wpm": 53,
      "message": "แจกแจงเข้ามาในวงเล็บนี้นะคะ "
    },
    {
      "message_id": 279,
      "agent_id": 14,
      "delay": 3.65,
      "onscreen_delay": 2.296,
      "typing_delay": 1.354,
      "typing_duration": 5.993,
      "wpm": 50,
      "message": "เดี๋ยวครูจะใช้สีช่วย "
    },
    {
      "message_id": 280,
      "agent_id": 16,
      "delay": 1.992,
      "onscreen_delay": 0.887,
      "typing_delay": 1.105,
      "typing_duration": 7.551,
      "wpm": 36,
      "message": "ในเว็บเล็บสีเหลือง "
    },
    {
      "message_id": 281,
      "agent_id": 29,
      "delay": 3.602,
      "onscreen_delay": 0,
      "typing_delay": 3.602,
      "typing_duration": 14.022,
      "wpm": 30,
      "message": "In Q เอา Q เข้ามาในวงเล็บนี้ "
    },
    {
      "message_id": 282,
      "agent_id": 12,
      "delay": 10.021,
      "onscreen_delay": 8.567,
      "typing_delay": 1.454,
      "typing_duration": 7.757,
      "wpm": 56,
      "message": "บทของการแจกแจงก็คือทฤษฎีบทที่ "
    },
    {
      "message_id": 283,
      "agent_id": 14,
      "delay": 6.02,
      "onscreen_delay": 5.84,
      "typing_delay": 0.18,
      "typing_duration": 7.186,
      "wpm": 67,
      "message": "เดี๋ยวครูเลื่อนให้ดูนะ แป๊บหนึ่ง "
    },
    {
      "message_id": 284,
      "agent_id": 16,
      "delay": 3.178,
      "onscreen_delay": 1.279,
      "typing_delay": 1.899,
      "typing_duration": 4.426,
      "wpm": 20,
      "message": "โอ.เค. "
    },
    {
      "message_id": 285,
      "agent_id": 29,
      "delay": 11.816,
      "onscreen_delay": 0,
      "typing_delay": 11.816,
      "typing_duration": 11.816,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 286,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 287,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 8.1,
      "typing_delay": 2.898,
      "typing_duration": 7.79,
      "wpm": 35,
      "message": "พวกเราเปิดเจอไหมคะ "
    },
    {
      "message_id": 288,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 5.732,
      "typing_delay": 1.265,
      "typing_duration": 6.593,
      "wpm": 50,
      "message": "บอกครูได้นะ ใช้ทฤษฎีบท "
    },
    {
      "message_id": 289,
      "agent_id": 29,
      "delay": 2.996,
      "onscreen_delay": 2.24,
      "typing_delay": 0.756,
      "typing_duration": 11.932,
      "wpm": 55,
      "message": "นะคะ การกระจายหรือการแจกแจง ทฤษฎีบทที่ 3 คือ "
    },
    {
      "message_id": 290,
      "agent_id": 12,
      "delay": 7.931,
      "onscreen_delay": 4.727,
      "typing_delay": 3.204,
      "typing_duration": 5.314,
      "wpm": 14,
      "message": "ข้อ B "
    },
    {
      "message_id": 291,
      "agent_id": 14,
      "delay": 3.929,
      "onscreen_delay": 1.215,
      "typing_delay": 2.714,
      "typing_duration": 13.431,
      "wpm": 30,
      "message": "คือ ตอนนี้ในข้อ B เขาแจกแจง"
    },
    {
      "message_id": 292,
      "agent_id": 16,
      "delay": 9.43,
      "onscreen_delay": 8.192,
      "typing_delay": 1.238,
      "typing_duration": 8.084,
      "wpm": 95,
      "message": "ด้านหน้านะคะ เราสามารถแจกแจงจากด้านหลังได้เหมือนกัน"
    },
    {
      "message_id": 293,
      "agent_id": 29,
      "delay": 5.425,
      "onscreen_delay": 4.985,
      "typing_delay": 0.44,
      "typing_duration": 4.114,
      "wpm": 47,
      "message": "เหมือนกันนะคะ "
    },
    {
      "message_id": 294,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 295,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 8.487,
      "typing_delay": 2.513,
      "typing_duration": 10.547,
      "wpm": 55,
      "message": "โอ.เค. ข้อ... เดี๋ยวนะครูเขียนให้ข้อนี้ "
    },
    {
      "message_id": 296,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 3.565,
      "typing_delay": 3.432,
      "typing_duration": 6.31,
      "wpm": 36,
      "message": "ข้อ B เขาบอกว่า "
    },
    {
      "message_id": 297,
      "agent_id": 29,
      "delay": 2.996,
      "onscreen_delay": 1.513,
      "typing_delay": 1.483,
      "typing_duration": 7.078,
      "wpm": 6,
      "message": "A . "
    },
    {
      "message_id": 298,
      "agent_id": 12,
      "delay": 4.83,
      "onscreen_delay": 0,
      "typing_delay": 4.83,
      "typing_duration": 6.129,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 299,
      "agent_id": 14,
      "delay": 2.128,
      "onscreen_delay": 1.547,
      "typing_delay": 0.581,
      "typing_duration": 12.338,
      "wpm": 16,
      "message": "B + C = A.B + "
    },
    {
      "message_id": 300,
      "agent_id": 16,
      "delay": 8.335,
      "onscreen_delay": 5.95,
      "typing_delay": 2.385,
      "typing_duration": 7.556,
      "wpm": 20,
      "message": "a+b. b + c"
    },
    {
      "message_id": 301,
      "agent_id": 29,
      "delay": 4.334,
      "onscreen_delay": 3.382,
      "typing_delay": 0.952,
      "typing_duration": 15.002,
      "wpm": 40,
      "message": "เราก็แจกแจง Q เข้ามาตรงนี้ก็จะได้เท่ากับ "
    },
    {
      "message_id": 302,
      "agent_id": 12,
      "delay": 11,
      "onscreen_delay": 8.585,
      "typing_delay": 2.415,
      "typing_duration": 12.822,
      "wpm": 4,
      "message": "= P "
    },
    {
      "message_id": 303,
      "agent_id": 14,
      "delay": 8.818,
      "onscreen_delay": 7.764,
      "typing_delay": 1.054,
      "typing_duration": 11.802,
      "wpm": 14,
      "message": "+ Q คูณด้วย "
    },
    {
      "message_id": 304,
      "agent_id": 16,
      "delay": 7.801,
      "onscreen_delay": 6.588,
      "typing_delay": 1.213,
      "typing_duration": 7.193,
      "wpm": 19,
      "message": "P bar + Q "
    },
    {
      "message_id": 305,
      "agent_id": 29,
      "delay": 3.8,
      "onscreen_delay": 2.387,
      "typing_delay": 1.413,
      "typing_duration": 4.129,
      "wpm": 4,
      "message": "Q "
    },
    {
      "message_id": 306,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 307,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.319,
      "typing_delay": 4.681,
      "typing_duration": 7.254,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 308,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 5.566,
      "typing_delay": 1.431,
      "typing_duration": 6.62,
      "wpm": 77,
      "message": "ตอนนี้เรามาดูสิ่งที่เราคุ้น ๆ นะคะ "
    },
    {
      "message_id": 309,
      "agent_id": 29,
      "delay": 2.993,
      "onscreen_delay": 1.599,
      "typing_delay": 1.394,
      "typing_duration": 7.941,
      "wpm": 28,
      "message": "Q Bar.Q มันจะมี"
    },
    {
      "message_id": 310,
      "agent_id": 12,
      "delay": 3.94,
      "onscreen_delay": 1.756,
      "typing_delay": 2.184,
      "typing_duration": 8.692,
      "wpm": 50,
      "message": "ทฤษฎีบทหนึ่งที่บอกเรานะคะ ว่า"
    },
    {
      "message_id": 311,
      "agent_id": 14,
      "delay": 4.691,
      "onscreen_delay": 4.367,
      "typing_delay": 0.324,
      "typing_duration": 8.825,
      "wpm": 51,
      "message": "ถ้าตัวมันเอง Dot ตัวมันเอง Bar "
    },
    {
      "message_id": 312,
      "agent_id": 16,
      "delay": 4.824,
      "onscreen_delay": 3.071,
      "typing_delay": 1.753,
      "typing_duration": 11.42,
      "wpm": 50,
      "message": "จะมีค่าเป็นอะไร ทฤษฎีบทที่ 8 ข้อ B boy "
    },
    {
      "message_id": 313,
      "agent_id": 29,
      "delay": 8.243,
      "onscreen_delay": 0,
      "typing_delay": 8.243,
      "typing_duration": 8.243,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 314,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 315,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 9.915,
      "typing_delay": 1.084,
      "typing_duration": 8.336,
      "wpm": 47,
      "message": "จากทฤษฎีบทที่ 8 ข้อ B นะคะ "
    },
    {
      "message_id": 316,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 6.143,
      "typing_delay": 0.854,
      "typing_duration": 4.562,
      "wpm": 53,
      "message": "ที่เขากล่าวว่า A "
    },
    {
      "message_id": 317,
      "agent_id": 29,
      "delay": 2.996,
      "onscreen_delay": 2.595,
      "typing_delay": 0.401,
      "typing_duration": 8.529,
      "wpm": 33,
      "message": "A Bar.A มีค่าเป็น 0 "
    },
    {
      "message_id": 318,
      "agent_id": 12,
      "delay": 4.527,
      "onscreen_delay": 3.158,
      "typing_delay": 1.369,
      "typing_duration": 10.515,
      "wpm": 51,
      "message": "ดูนะคะ Input ในวงจรอิเล็กทรอนิกส์นี่ "
    },
    {
      "message_id": 319,
      "agent_id": 14,
      "delay": 6.514,
      "onscreen_delay": 6.305,
      "typing_delay": 0.209,
      "typing_duration": 10.145,
      "wpm": 61,
      "message": "ก็คือ 0 กับ 1 ตัวมันเอง Dot ตัวมันเอง Bar "
    },
    {
      "message_id": 320,
      "agent_id": 16,
      "delay": 6.145,
      "onscreen_delay": 5.69,
      "typing_delay": 0.455,
      "typing_duration": 7.982,
      "wpm": 79,
      "message": "มีค่า input เป็น 0 แล้วก็เทียบตรงนี้ได้เลย "
    },
    {
      "message_id": 321,
      "agent_id": 29,
      "delay": 3.98,
      "onscreen_delay": 2.093,
      "typing_delay": 1.887,
      "typing_duration": 10.78,
      "wpm": 32,
      "message": "Q Bar.Q ก็จะมีค่าเป็น 0 "
    },
    {
      "message_id": 322,
      "agent_id": 12,
      "delay": 6.779,
      "onscreen_delay": 2.468,
      "typing_delay": 4.311,
      "typing_duration": 10.096,
      "wpm": 1,
      "message": "= "
    },
    {
      "message_id": 323,
      "agent_id": 14,
      "delay": 6.095,
      "onscreen_delay": 4.202,
      "typing_delay": 1.893,
      "typing_duration": 6.608,
      "wpm": 20,
      "message": "P Bar + Q "
    },
    {
      "message_id": 324,
      "agent_id": 16,
      "delay": 2.607,
      "onscreen_delay": 1.138,
      "typing_delay": 1.469,
      "typing_duration": 7.634,
      "wpm": 45,
      "message": "คูณด้วยในวงเล็บ P bar + "
    },
    {
      "message_id": 325,
      "agent_id": 29,
      "delay": 3.633,
      "onscreen_delay": 2.055,
      "typing_delay": 1.578,
      "typing_duration": 9.111,
      "wpm": 26,
      "message": "Q + 0 กลายเป็น 0 "
    },
    {
      "message_id": 326,
      "agent_id": 12,
      "delay": 5.109,
      "onscreen_delay": 2.106,
      "typing_delay": 3.003,
      "typing_duration": 11.082,
      "wpm": 24,
      "message": "จากนั้นใช้ทฤษฎีจาก"
    },
    {
      "message_id": 327,
      "agent_id": 14,
      "delay": 7.078,
      "onscreen_delay": 5.322,
      "typing_delay": 1.756,
      "typing_duration": 9.207,
      "wpm": 68,
      "message": "ในหน้าเดียวกันนี่ล่ะ คือ ทฤษฎีบทที่ 7 นะคะ "
    },
    {
      "message_id": 328,
      "agent_id": 16,
      "delay": 5.204,
      "onscreen_delay": 4.651,
      "typing_delay": 0.553,
      "typing_duration": 7.253,
      "wpm": 58,
      "message": "เราจะเห็นบางสิ่งบางอย่าง + 0 "
    },
    {
      "message_id": 329,
      "agent_id": 29,
      "delay": 3.245,
      "onscreen_delay": 1.712,
      "typing_delay": 1.533,
      "typing_duration": 14.565,
      "wpm": 54,
      "message": "จะมีค่าเท่ากับสิ่งนั้นล่ะ มีค่าเท่ากับค่าที่เอามาบวก "
    },
    {
      "message_id": 330,
      "agent_id": 12,
      "delay": 10.564,
      "onscreen_delay": 7.621,
      "typing_delay": 2.943,
      "typing_duration": 8.703,
      "wpm": 38,
      "message": "ทฤษฎีบทนั้น ก็คือทฤษฎี"
    },
    {
      "message_id": 331,
      "agent_id": 14,
      "delay": 6.56,
      "onscreen_delay": 6.238,
      "typing_delay": 0.322,
      "typing_duration": 5.01,
      "wpm": 39,
      "message": "บทที่ 7 ข้อ A "
    },
    {
      "message_id": 332,
      "agent_id": 16,
      "delay": 3.285,
      "onscreen_delay": 0,
      "typing_delay": 3.285,
      "typing_duration": 6.653,
      "wpm": 36,
      "message": "ทบ. 7 ข้อ a นะคะ "
    },
    {
      "message_id": 333,
      "agent_id": 29,
      "delay": 2.652,
      "onscreen_delay": 1.663,
      "typing_delay": 0.989,
      "typing_duration": 13.902,
      "wpm": 22,
      "message": "เขากล่าวว่าเอา 0 + A "
    },
    {
      "message_id": 334,
      "agent_id": 12,
      "delay": 9.896,
      "onscreen_delay": 7.347,
      "typing_delay": 2.549,
      "typing_duration": 6.528,
      "wpm": 23,
      "message": "= A แต่ว่า"
    },
    {
      "message_id": 335,
      "agent_id": 14,
      "delay": 5.895,
      "onscreen_delay": 5.656,
      "typing_delay": 0.239,
      "typing_duration": 11.95,
      "wpm": 64,
      "message": "อีกรูปหนึ่งก็คือ 0 + A มันสลับที่ได้นะคะ เราอ้างอิง"
    },
    {
      "message_id": 336,
      "agent_id": 16,
      "delay": 7.949,
      "onscreen_delay": 5.959,
      "typing_delay": 1.99,
      "typing_duration": 5.766,
      "wpm": 49,
      "message": "คุณสมบัติการสลับที่ "
    },
    {
      "message_id": 337,
      "agent_id": 29,
      "delay": 3.948,
      "onscreen_delay": 3.615,
      "typing_delay": 0.333,
      "typing_duration": 8.598,
      "wpm": 58,
      "message": "อยู่อันแรก ๆ เลย คือ ทฤษฎีบทที่ 1 "
    },
    {
      "message_id": 338,
      "agent_id": 12,
      "delay": 4.597,
      "onscreen_delay": 3.014,
      "typing_delay": 1.583,
      "typing_duration": 10.758,
      "wpm": 39,
      "message": "ดังนั้น เราจะเขียนเป็น 0 + A "
    },
    {
      "message_id": 339,
      "agent_id": 14,
      "delay": 6.754,
      "onscreen_delay": 6.54,
      "typing_delay": 0.214,
      "typing_duration": 7.447,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 340,
      "agent_id": 16,
      "delay": 3.446,
      "onscreen_delay": 2.124,
      "typing_delay": 1.322,
      "typing_duration": 6.89,
      "wpm": 44,
      "message": "หรือ a + 0 ก็ได้นะคะ "
    },
    {
      "message_id": 341,
      "agent_id": 29,
      "delay": 2.889,
      "onscreen_delay": 1.845,
      "typing_delay": 1.044,
      "typing_duration": 9.692,
      "wpm": 46,
      "message": "การบวกมันมีคุณสมบัติการสลับที่ "
    },
    {
      "message_id": 342,
      "agent_id": 12,
      "delay": 5.684,
      "onscreen_delay": 4.741,
      "typing_delay": 0.943,
      "typing_duration": 10.482,
      "wpm": 29,
      "message": "A เราก็จะลดรูปตรงนี้"
    },
    {
      "message_id": 343,
      "agent_id": 14,
      "delay": 6.481,
      "onscreen_delay": 6.276,
      "typing_delay": 0.205,
      "typing_duration": 7.957,
      "wpm": 21,
      "message": "ได้นะคะ P.Q "
    },
    {
      "message_id": 344,
      "agent_id": 16,
      "delay": 3.956,
      "onscreen_delay": 3.448,
      "typing_delay": 0.508,
      "typing_duration": 8.43,
      "wpm": 57,
      "message": "บวก 0 เท่ากับ 0 ตัวนี้ก็ลดรูปได้"
    },
    {
      "message_id": 345,
      "agent_id": 29,
      "delay": 4.429,
      "onscreen_delay": 3.829,
      "typing_delay": 0.6,
      "typing_duration": 12.514,
      "wpm": 1,
      "message": "= "
    },
    {
      "message_id": 346,
      "agent_id": 12,
      "delay": 8.513,
      "onscreen_delay": 6.885,
      "typing_delay": 1.628,
      "typing_duration": 6.03,
      "wpm": 22,
      "message": "P.bar + Q "
    },
    {
      "message_id": 347,
      "agent_id": 14,
      "delay": 4.511,
      "onscreen_delay": 3.691,
      "typing_delay": 0.82,
      "typing_duration": 9.783,
      "wpm": 32,
      "message": "คูณด้วยนะคะ P Bar . Q "
    },
    {
      "message_id": 348,
      "agent_id": 16,
      "delay": 5.782,
      "onscreen_delay": 3.558,
      "typing_delay": 2.224,
      "typing_duration": 9.937,
      "wpm": 39,
      "message": "ลดรูปลงมาเรื่อย ๆ แล้วนะคะ "
    },
    {
      "message_id": 349,
      "agent_id": 29,
      "delay": 5.936,
      "onscreen_delay": 4.023,
      "typing_delay": 1.913,
      "typing_duration": 7.637,
      "wpm": 27,
      "message": "ต่อไปตัวนี้เรา"
    },
    {
      "message_id": 350,
      "agent_id": 12,
      "delay": 3.636,
      "onscreen_delay": 2.237,
      "typing_delay": 1.399,
      "typing_duration": 7.26,
      "wpm": 45,
      "message": "ก็ต้องแจกแจงเข้าไปนะคะ "
    },
    {
      "message_id": 351,
      "agent_id": 14,
      "delay": 3.259,
      "onscreen_delay": 2.491,
      "typing_delay": 0.768,
      "typing_duration": 13.174,
      "wpm": 42,
      "message": "เพราะว่าเดี๋ยวเราจะเอาคุณสมบัติข้อ 6, "
    },
    {
      "message_id": 352,
      "agent_id": 16,
      "delay": 9.173,
      "onscreen_delay": 6.121,
      "typing_delay": 3.052,
      "typing_duration": 6.002,
      "wpm": 35,
      "message": "ข้อ 7 มาใช้ต่อ "
    },
    {
      "message_id": 353,
      "agent_id": 29,
      "delay": 5.171,
      "onscreen_delay": 3.415,
      "typing_delay": 1.756,
      "typing_duration": 13.912,
      "wpm": 29,
      "message": "แจกแจงเข้ามามันก็จะคูณกัน = "
    },
    {
      "message_id": 354,
      "agent_id": 12,
      "delay": 9.911,
      "onscreen_delay": 4.913,
      "typing_delay": 4.998,
      "typing_duration": 6.74,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 355,
      "agent_id": 14,
      "delay": 5.91,
      "onscreen_delay": 1.448,
      "typing_delay": 4.462,
      "typing_duration": 4.462,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 356,
      "agent_id": 16,
      "delay": 1.909,
      "onscreen_delay": 0.495,
      "typing_delay": 1.414,
      "typing_duration": 6.92,
      "wpm": 74,
      "message": "เดี๋ยวนะคะ ตอนนี้เรากำลังใช้ ทบ. 3 "
    },
    {
      "message_id": 357,
      "agent_id": 29,
      "delay": 2.918,
      "onscreen_delay": 2.666,
      "typing_delay": 0.252,
      "typing_duration": 10.747,
      "wpm": 38,
      "message": "ทฤษฎีบทที่ 3 ก็คือการแจกแจง "
    },
    {
      "message_id": 358,
      "agent_id": 12,
      "delay": 6.746,
      "onscreen_delay": 5.118,
      "typing_delay": 1.628,
      "typing_duration": 11.26,
      "wpm": 33,
      "message": "คือตัวนี้นะคะ ครูขออนุญาต"
    },
    {
      "message_id": 359,
      "agent_id": 14,
      "delay": 7.258,
      "onscreen_delay": 7.109,
      "typing_delay": 0.149,
      "typing_duration": 9.328,
      "wpm": 47,
      "message": "ไม่เขีนนนะคะ อ้างอิงตัวนี้เลย "
    },
    {
      "message_id": 360,
      "agent_id": 16,
      "delay": 5.326,
      "onscreen_delay": 3.234,
      "typing_delay": 2.092,
      "typing_duration": 7.82,
      "wpm": 35,
      "message": "ทฤษฎีบทที่ 3 ข้อ B "
    },
    {
      "message_id": 361,
      "agent_id": 29,
      "delay": 3.819,
      "onscreen_delay": 3.358,
      "typing_delay": 0.461,
      "typing_duration": 10.104,
      "wpm": 42,
      "message": "ในวงเล็บข้างหน้า ก็จะได้เป็น "
    },
    {
      "message_id": 362,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 363,
      "agent_id": 14,
      "delay": 10.998,
      "onscreen_delay": 6.511,
      "typing_delay": 4.487,
      "typing_duration": 6.408,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 364,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 5.901,
      "typing_delay": 1.096,
      "typing_duration": 9.432,
      "wpm": 21,
      "message": "P bar. Q + Q."
    },
    {
      "message_id": 365,
      "agent_id": 29,
      "delay": 5.431,
      "onscreen_delay": 3.432,
      "typing_delay": 1.999,
      "typing_duration": 10.672,
      "wpm": 11,
      "message": ".P Bar.Q "
    },
    {
      "message_id": 366,
      "agent_id": 12,
      "delay": 6.671,
      "onscreen_delay": 4.43,
      "typing_delay": 2.241,
      "typing_duration": 7.905,
      "wpm": 51,
      "message": "ตัวนี้ไม่ต้องใส่วงเล็บก็ได้ "
    },
    {
      "message_id": 367,
      "agent_id": 14,
      "delay": 3.904,
      "onscreen_delay": 1.659,
      "typing_delay": 2.245,
      "typing_duration": 8.66,
      "wpm": 47,
      "message": "อันนี้คือผลลัพธ์ที่เกิดขึ้น"
    },
    {
      "message_id": 368,
      "agent_id": 16,
      "delay": 4.645,
      "onscreen_delay": 4.436,
      "typing_delay": 0.209,
      "typing_duration": 7.61,
      "wpm": 51,
      "message": "จากการทำทฤษฎีบทที่ 3 ข้อ B "
    },
    {
      "message_id": 369,
      "agent_id": 29,
      "delay": 3.608,
      "onscreen_delay": 2.974,
      "typing_delay": 0.634,
      "typing_duration": 10.876,
      "wpm": 37,
      "message": "นะคะ จากนั้นเราจะจัดรูปใหม่ "
    },
    {
      "message_id": 370,
      "agent_id": 12,
      "delay": 6.875,
      "onscreen_delay": 5.873,
      "typing_delay": 1.002,
      "typing_duration": 9.293,
      "wpm": 42,
      "message": "เทอมที่ 1 เทอมที่ 2 ตอนนี้"
    },
    {
      "message_id": 371,
      "agent_id": 14,
      "delay": 5.292,
      "onscreen_delay": 4.622,
      "typing_delay": 0.67,
      "typing_duration": 9.861,
      "wpm": 24,
      "message": "เราสลับกลุ่มหรือ"
    },
    {
      "message_id": 372,
      "agent_id": 16,
      "delay": 5.86,
      "onscreen_delay": 4.349,
      "typing_delay": 1.511,
      "typing_duration": 5.965,
      "wpm": 53,
      "message": "เปลี่ยนการคูณ มันจะมี "
    },
    {
      "message_id": 373,
      "agent_id": 29,
      "delay": 2.002,
      "onscreen_delay": 0,
      "typing_delay": 2.002,
      "typing_duration": 8.464,
      "wpm": 23,
      "message": "แป๊บหนึ่ง ครู"
    },
    {
      "message_id": 374,
      "agent_id": 12,
      "delay": 4.463,
      "onscreen_delay": 3.181,
      "typing_delay": 1.282,
      "typing_duration": 6.155,
      "wpm": 51,
      "message": "เขียนให้นะคะ เราจะใช้"
    },
    {
      "message_id": 375,
      "agent_id": 14,
      "delay": 2.153,
      "onscreen_delay": 1.515,
      "typing_delay": 0.638,
      "typing_duration": 7.143,
      "wpm": 52,
      "message": "ทฤษฎีบทข้อ 2 กฎการจัดหมู่ "
    },
    {
      "message_id": 376,
      "agent_id": 16,
      "delay": 3.14,
      "onscreen_delay": 2.648,
      "typing_delay": 0.492,
      "typing_duration": 9.227,
      "wpm": 75,
      "message": "มันจะมี 2 ข้อนะคะ ข้อ A คือการจัดหมู่ของการบวก"
    },
    {
      "message_id": 377,
      "agent_id": 29,
      "delay": 5.226,
      "onscreen_delay": 4.775,
      "typing_delay": 0.451,
      "typing_duration": 13.363,
      "wpm": 42,
      "message": "ข้อ B คือ การจัดหมู่ของการคูร ต้องใช้"
    },
    {
      "message_id": 378,
      "agent_id": 12,
      "delay": 9.361,
      "onscreen_delay": 8.208,
      "typing_delay": 1.153,
      "typing_duration": 9.941,
      "wpm": 33,
      "message": "ทฤษฎีบทที่ 2 ข้อ B boy "
    },
    {
      "message_id": 379,
      "agent_id": 14,
      "delay": 5.936,
      "onscreen_delay": 4.774,
      "typing_delay": 1.162,
      "typing_duration": 10.732,
      "wpm": 8,
      "message": "ที่ว่า "
    },
    {
      "message_id": 380,
      "agent_id": 16,
      "delay": 6.721,
      "onscreen_delay": 4.919,
      "typing_delay": 1.802,
      "typing_duration": 8.478,
      "wpm": 27,
      "message": "a. ในวงเล็บ b.c "
    },
    {
      "message_id": 381,
      "agent_id": 29,
      "delay": 4.477,
      "onscreen_delay": 3.732,
      "typing_delay": 0.745,
      "typing_duration": 12.61,
      "wpm": 32,
      "message": "มันเสียนะคะ ก็จะกลายเป็น A."
    },
    {
      "message_id": 382,
      "agent_id": 12,
      "delay": 8.609,
      "onscreen_delay": 6.337,
      "typing_delay": 2.272,
      "typing_duration": 8.261,
      "wpm": 40,
      "message": "b แล้ว .c มีค่าเท่ากัน"
    },
    {
      "message_id": 383,
      "agent_id": 14,
      "delay": 4.608,
      "onscreen_delay": 3.442,
      "typing_delay": 1.166,
      "typing_duration": 10.291,
      "wpm": 36,
      "message": "ตอนนี้ครูก็จะเปลี่ยนกลุ่ม "
    },
    {
      "message_id": 384,
      "agent_id": 16,
      "delay": 6.29,
      "onscreen_delay": 3.897,
      "typing_delay": 2.393,
      "typing_duration": 7.17,
      "wpm": 52,
      "message": "ตรงนี้ครูเปลี่ยนกลุ่มนะคะ "
    },
    {
      "message_id": 385,
      "agent_id": 29,
      "delay": 3.169,
      "onscreen_delay": 2.033,
      "typing_delay": 1.136,
      "typing_duration": 10.571,
      "wpm": 28,
      "message": "P Bar.P Bar ในวงเล็บ "
    },
    {
      "message_id": 386,
      "agent_id": 12,
      "delay": 6.57,
      "onscreen_delay": 4.505,
      "typing_delay": 2.065,
      "typing_duration": 6.107,
      "wpm": 5,
      "message": ".Q "
    },
    {
      "message_id": 387,
      "agent_id": 14,
      "delay": 4.664,
      "onscreen_delay": 0,
      "typing_delay": 4.664,
      "typing_duration": 4.664,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 388,
      "agent_id": 16,
      "delay": 1.951,
      "onscreen_delay": 0,
      "typing_delay": 1.951,
      "typing_duration": 6.776,
      "wpm": 62,
      "message": "สำหรับตัวนี้ ใช้ 2 ครั้งนะคะ "
    },
    {
      "message_id": 389,
      "agent_id": 29,
      "delay": 2.773,
      "onscreen_delay": 2.634,
      "typing_delay": 0.139,
      "typing_duration": 9.252,
      "wpm": 54,
      "message": "สำหรับตัวนี้สลับที่กันคูณด้วย ใช้"
    },
    {
      "message_id": 390,
      "agent_id": 12,
      "delay": 5.251,
      "onscreen_delay": 3.448,
      "typing_delay": 1.803,
      "typing_duration": 12.444,
      "wpm": 14,
      "message": "คุณสมบัติการ"
    },
    {
      "message_id": 391,
      "agent_id": 14,
      "delay": 8.443,
      "onscreen_delay": 7.93,
      "typing_delay": 0.513,
      "typing_duration": 9.709,
      "wpm": 20,
      "message": "สลับที่การคูณ"
    },
    {
      "message_id": 392,
      "agent_id": 16,
      "delay": 5.708,
      "onscreen_delay": 2.946,
      "typing_delay": 2.762,
      "typing_duration": 8.695,
      "wpm": 55,
      "message": "ครูขอเขียนด้วยสีเหลืองนะคะ ทฤษฎี"
    },
    {
      "message_id": 393,
      "agent_id": 29,
      "delay": 4.694,
      "onscreen_delay": 4.213,
      "typing_delay": 0.481,
      "typing_duration": 9.08,
      "wpm": 25,
      "message": "ที่ 1 ข้อ B ที่"
    },
    {
      "message_id": 394,
      "agent_id": 12,
      "delay": 5.073,
      "onscreen_delay": 4.164,
      "typing_delay": 0.909,
      "typing_duration": 13.435,
      "wpm": 13,
      "message": "บอกว่า A.B = "
    },
    {
      "message_id": 395,
      "agent_id": 14,
      "delay": 9.434,
      "onscreen_delay": 8.417,
      "typing_delay": 1.017,
      "typing_duration": 7.931,
      "wpm": 42,
      "message": "B.A จะเอามาใช้ในวงเล็บ"
    },
    {
      "message_id": 396,
      "agent_id": 16,
      "delay": 5.431,
      "onscreen_delay": 5.226,
      "typing_delay": 0.205,
      "typing_duration": 4.58,
      "wpm": 36,
      "message": "นี้ก่อนนะคะ "
    },
    {
      "message_id": 397,
      "agent_id": 29,
      "delay": 4.834,
      "onscreen_delay": 0,
      "typing_delay": 4.834,
      "typing_duration": 4.834,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 398,
      "agent_id": 12,
      "delay": 5.494,
      "onscreen_delay": 0,
      "typing_delay": 5.494,
      "typing_duration": 7.288,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 399,
      "agent_id": 14,
      "delay": 3.286,
      "onscreen_delay": 2.256,
      "typing_delay": 1.03,
      "typing_duration": 8.723,
      "wpm": 2,
      "message": "+ "
    },
    {
      "message_id": 400,
      "agent_id": 16,
      "delay": 4.722,
      "onscreen_delay": 2.671,
      "typing_delay": 2.051,
      "typing_duration": 5.879,
      "wpm": 20,
      "message": "Q. P bar "
    },
    {
      "message_id": 401,
      "agent_id": 29,
      "delay": 1.878,
      "onscreen_delay": 0.935,
      "typing_delay": 0.943,
      "typing_duration": 10.279,
      "wpm": 31,
      "message": "สลับที่แล้วก็ใช้ทฤษฎี"
    },
    {
      "message_id": 402,
      "agent_id": 12,
      "delay": 6.278,
      "onscreen_delay": 5.497,
      "typing_delay": 0.781,
      "typing_duration": 10.401,
      "wpm": 43,
      "message": "บทนี้อีกครั้งหนึ่งสำหรับตัวนี้"
    },
    {
      "message_id": 403,
      "agent_id": 14,
      "delay": 6.399,
      "onscreen_delay": 3.718,
      "typing_delay": 2.681,
      "typing_duration": 7.108,
      "wpm": 21,
      "message": "ถัดมาก็ใช้"
    },
    {
      "message_id": 404,
      "agent_id": 16,
      "delay": 3.102,
      "onscreen_delay": 2.456,
      "typing_delay": 0.646,
      "typing_duration": 8.047,
      "wpm": 52,
      "message": "ทฤษฎีบทที่ 2 B อีกครั้งหนึ่ง "
    },
    {
      "message_id": 405,
      "agent_id": 29,
      "delay": 4.045,
      "onscreen_delay": 2.682,
      "typing_delay": 1.363,
      "typing_duration": 4.411,
      "wpm": 37,
      "message": "ก่อนหน้านี้ "
    },
    {
      "message_id": 406,
      "agent_id": 12,
      "delay": 4.982,
      "onscreen_delay": 0,
      "typing_delay": 4.982,
      "typing_duration": 6.531,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 407,
      "agent_id": 14,
      "delay": 2.529,
      "onscreen_delay": 1.685,
      "typing_delay": 0.844,
      "typing_duration": 8.453,
      "wpm": 16,
      "message": "จะได้เป็น "
    },
    {
      "message_id": 408,
      "agent_id": 16,
      "delay": 4.451,
      "onscreen_delay": 3.369,
      "typing_delay": 1.082,
      "typing_duration": 10.311,
      "wpm": 61,
      "message": "P bar . P bar จริง ๆ ตรงนี้ก็ลดรูปแล้วนะคะ "
    },
    {
      "message_id": 409,
      "agent_id": 29,
      "delay": 6.309,
      "onscreen_delay": 5.625,
      "typing_delay": 0.684,
      "typing_duration": 15.002,
      "wpm": 24,
      "message": "แต่ว่าครูยังไม่เขียน Q.Q"
    },
    {
      "message_id": 410,
      "agent_id": 12,
      "delay": 11.002,
      "onscreen_delay": 9.532,
      "typing_delay": 1.47,
      "typing_duration": 15.001,
      "wpm": 6,
      "message": ".P Bar "
    },
    {
      "message_id": 411,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 8.724,
      "typing_delay": 2.277,
      "typing_duration": 6.412,
      "wpm": 42,
      "message": "เราดูวงเล็บนี้นะคะ "
    },
    {
      "message_id": 412,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 5.709,
      "typing_delay": 1.29,
      "typing_duration": 9.169,
      "wpm": 36,
      "message": "P bar . Pbar ตัวมันเอง "
    },
    {
      "message_id": 413,
      "agent_id": 29,
      "delay": 5.168,
      "onscreen_delay": 4.487,
      "typing_delay": 0.681,
      "typing_duration": 9.206,
      "wpm": 51,
      "message": "จะได้อะไร ตัวนี้ก็เหมือนกัน Q.Q "
    },
    {
      "message_id": 414,
      "agent_id": 12,
      "delay": 5.205,
      "onscreen_delay": 4.496,
      "typing_delay": 0.709,
      "typing_duration": 7.714,
      "wpm": 62,
      "message": "มันจะมีทฤษฎีรองรับอยู่นะคะ ก็คือ"
    },
    {
      "message_id": 415,
      "agent_id": 14,
      "delay": 3.707,
      "onscreen_delay": 3.384,
      "typing_delay": 0.323,
      "typing_duration": 11.007,
      "wpm": 57,
      "message": "ทฤษฎีบทที่เท่าไรเอ่ย ตัวมันเองกับตัวมันเอง "
    },
    {
      "message_id": 416,
      "agent_id": 16,
      "delay": 7.006,
      "onscreen_delay": 5.572,
      "typing_delay": 1.434,
      "typing_duration": 6.189,
      "wpm": 44,
      "message": "บทของเอกลักษณ์นะคะ "
    },
    {
      "message_id": 417,
      "agent_id": 29,
      "delay": 3.005,
      "onscreen_delay": 1.059,
      "typing_delay": 1.946,
      "typing_duration": 9.448,
      "wpm": 33,
      "message": "ตรงนี้เราจะใช้ทฤษฎีบท"
    },
    {
      "message_id": 418,
      "agent_id": 12,
      "delay": 5.447,
      "onscreen_delay": 4.356,
      "typing_delay": 1.091,
      "typing_duration": 11.829,
      "wpm": 18,
      "message": "ที่ 4 ข้อที่ 2 "
    },
    {
      "message_id": 419,
      "agent_id": 14,
      "delay": 7.822,
      "onscreen_delay": 7.567,
      "typing_delay": 0.255,
      "typing_duration": 7.919,
      "wpm": 55,
      "message": "คือ ข้อ B เอกลักษณ์การคูณนะคะ "
    },
    {
      "message_id": 420,
      "agent_id": 16,
      "delay": 3.918,
      "onscreen_delay": 2.4,
      "typing_delay": 1.518,
      "typing_duration": 12.605,
      "wpm": 63,
      "message": "ตัวมันเองคูณตัวมันเอง ได้ตัวมันเองนะคะ ซึ่งทฤษฎีบทที่ "
    },
    {
      "message_id": 421,
      "agent_id": 29,
      "delay": 8.603,
      "onscreen_delay": 7.425,
      "typing_delay": 1.178,
      "typing_duration": 12.95,
      "wpm": 32,
      "message": "B นี่ ก็คือ A.A มีค่าเท่ากับ "
    },
    {
      "message_id": 422,
      "agent_id": 12,
      "delay": 8.948,
      "onscreen_delay": 7.277,
      "typing_delay": 1.671,
      "typing_duration": 7.453,
      "wpm": 38,
      "message": "A เห็นไหมคะมันลดรูป "
    },
    {
      "message_id": 423,
      "agent_id": 14,
      "delay": 4.932,
      "onscreen_delay": 4.21,
      "typing_delay": 0.722,
      "typing_duration": 12.077,
      "wpm": 40,
      "message": "P Bar . P Bar มีค่าเท่ากับ P Bar "
    },
    {
      "message_id": 424,
      "agent_id": 16,
      "delay": 8.076,
      "onscreen_delay": 7.625,
      "typing_delay": 0.451,
      "typing_duration": 8.399,
      "wpm": 16,
      "message": "P bar . Q "
    },
    {
      "message_id": 425,
      "agent_id": 29,
      "delay": 4.398,
      "onscreen_delay": 2.674,
      "typing_delay": 1.724,
      "typing_duration": 12.66,
      "wpm": 24,
      "message": "บวกตรงนี้ก็เหมือนกัน"
    },
    {
      "message_id": 426,
      "agent_id": 12,
      "delay": 8.651,
      "onscreen_delay": 7.617,
      "typing_delay": 1.034,
      "typing_duration": 11.857,
      "wpm": 58,
      "message": "ตัวมันเอง . ตัวมันเองก็ได้ . ตัวมันเอง ก็ได้ Q "
    },
    {
      "message_id": 427,
      "agent_id": 14,
      "delay": 7.856,
      "onscreen_delay": 3.485,
      "typing_delay": 4.371,
      "typing_duration": 4.371,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 428,
      "agent_id": 16,
      "delay": 4.457,
      "onscreen_delay": 0,
      "typing_delay": 4.457,
      "typing_duration": 4.457,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 429,
      "agent_id": 29,
      "delay": 3.731,
      "onscreen_delay": 0,
      "typing_delay": 3.731,
      "typing_duration": 9.138,
      "wpm": 28,
      "message": "นักเรียนสังเกตว่า"
    },
    {
      "message_id": 430,
      "agent_id": 12,
      "delay": 5.135,
      "onscreen_delay": 2.708,
      "typing_delay": 2.427,
      "typing_duration": 9.955,
      "wpm": 29,
      "message": "เทอมที่ 1 นี่ P.Bar "
    },
    {
      "message_id": 431,
      "agent_id": 14,
      "delay": 5.954,
      "onscreen_delay": 3.73,
      "typing_delay": 2.224,
      "typing_duration": 10.294,
      "wpm": 13,
      "message": "+ Q.P Bar "
    },
    {
      "message_id": 432,
      "agent_id": 16,
      "delay": 6.293,
      "onscreen_delay": 2.43,
      "typing_delay": 3.863,
      "typing_duration": 8.778,
      "wpm": 58,
      "message": "หน้าตามันคล้ายกันเลย แต่สลับที่กัน "
    },
    {
      "message_id": 433,
      "agent_id": 29,
      "delay": 4.775,
      "onscreen_delay": 4.299,
      "typing_delay": 0.476,
      "typing_duration": 15,
      "wpm": 20,
      "message": "เอาเทอมที่ 2 นี่ เอา "
    },
    {
      "message_id": 434,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 10.188,
      "typing_delay": 0.811,
      "typing_duration": 9.837,
      "wpm": 53,
      "message": "ดังนั้น ครูจะใช้คุณสมบัติการสลับที่ "
    },
    {
      "message_id": 435,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.584,
      "typing_delay": 0.414,
      "typing_duration": 9.425,
      "wpm": 62,
      "message": "ทฤษฎีบทที่อะไรคะ ทฤษฎีบทที่ 1 ข้อ B Boy "
    },
    {
      "message_id": 436,
      "agent_id": 16,
      "delay": 5.424,
      "onscreen_delay": 0.873,
      "typing_delay": 4.551,
      "typing_duration": 10.123,
      "wpm": 41,
      "message": "การคูณมีคุณสมบัติสลับที่นะคะ "
    },
    {
      "message_id": 437,
      "agent_id": 29,
      "delay": 6.121,
      "onscreen_delay": 6.006,
      "typing_delay": 0.115,
      "typing_duration": 13.207,
      "wpm": 37,
      "message": "เท่ากับ B.A ครูใช้ในบรรทัดนี้นะคะ "
    },
    {
      "message_id": 438,
      "agent_id": 12,
      "delay": 9.206,
      "onscreen_delay": 6.609,
      "typing_delay": 2.597,
      "typing_duration": 8.64,
      "wpm": 42,
      "message": "ครูใช้ทฤษฎีอีกครั้งหนึ่ง "
    },
    {
      "message_id": 439,
      "agent_id": 14,
      "delay": 5.205,
      "onscreen_delay": 3.822,
      "typing_delay": 1.383,
      "typing_duration": 9.457,
      "wpm": 29,
      "message": "ทฤษฎีบทที่ 1 ข้อ B "
    },
    {
      "message_id": 440,
      "agent_id": 16,
      "delay": 5.456,
      "onscreen_delay": 2.893,
      "typing_delay": 2.563,
      "typing_duration": 7.119,
      "wpm": 19,
      "message": "a.b = b.a "
    },
    {
      "message_id": 441,
      "agent_id": 29,
      "delay": 3.117,
      "onscreen_delay": 2.86,
      "typing_delay": 0.257,
      "typing_duration": 4.091,
      "wpm": 73,
      "message": "ก็จะได้คำตอบแล้วนะคะ "
    },
    {
      "message_id": 442,
      "agent_id": 12,
      "delay": 8.482,
      "onscreen_delay": 0,
      "typing_delay": 8.482,
      "typing_duration": 13.759,
      "wpm": 8,
      "message": "= P.Bar "
    },
    {
      "message_id": 443,
      "agent_id": 14,
      "delay": 9.758,
      "onscreen_delay": 3.664,
      "typing_delay": 6.094,
      "typing_duration": 6.094,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 444,
      "agent_id": 16,
      "delay": 5.756,
      "onscreen_delay": 4.272,
      "typing_delay": 1.484,
      "typing_duration": 10.203,
      "wpm": 31,
      "message": "P bar . Q = P bar . Q "
    },
    {
      "message_id": 445,
      "agent_id": 29,
      "delay": 6.202,
      "onscreen_delay": 5.223,
      "typing_delay": 0.979,
      "typing_duration": 8.462,
      "wpm": 27,
      "message": "Q เหมือนกันแล้ว "
    },
    {
      "message_id": 446,
      "agent_id": 12,
      "delay": 4.461,
      "onscreen_delay": 3.281,
      "typing_delay": 1.18,
      "typing_duration": 8.749,
      "wpm": 39,
      "message": "เทอมที่ 1 บวก เทอมที่ 2 "
    },
    {
      "message_id": 447,
      "agent_id": 14,
      "delay": 4.748,
      "onscreen_delay": 4.5,
      "typing_delay": 0.248,
      "typing_duration": 12.615,
      "wpm": 46,
      "message": "ก็คือหน้าตามันเหมือนกันมากเลย... ตัวเอง "
    },
    {
      "message_id": 448,
      "agent_id": 16,
      "delay": 8.614,
      "onscreen_delay": 6.791,
      "typing_delay": 1.823,
      "typing_duration": 7.254,
      "wpm": 60,
      "message": "ก็จะมีเอกลักษณ์ของการบวกก็คือ "
    },
    {
      "message_id": 449,
      "agent_id": 29,
      "delay": 4.613,
      "onscreen_delay": 3.795,
      "typing_delay": 0.818,
      "typing_duration": 12.09,
      "wpm": 43,
      "message": "ทฤษฎีบทที่ 4 ก็คือข้อ A เขากล่าวว่า"
    },
    {
      "message_id": 450,
      "agent_id": 12,
      "delay": 8.089,
      "onscreen_delay": 5.528,
      "typing_delay": 2.561,
      "typing_duration": 7.614,
      "wpm": 35,
      "message": "ทฤษฎีบทที่ 4 ข้อ A "
    },
    {
      "message_id": 451,
      "agent_id": 14,
      "delay": 4.086,
      "onscreen_delay": 3.512,
      "typing_delay": 0.574,
      "typing_duration": 8.916,
      "wpm": 71,
      "message": "นะคะ เขากล่าวว่า A + A ย่อมมีค่าเป็นอะไรคะ "
    },
    {
      "message_id": 452,
      "agent_id": 16,
      "delay": 4.911,
      "onscreen_delay": 2.34,
      "typing_delay": 2.571,
      "typing_duration": 8.074,
      "wpm": 46,
      "message": "a + a ย่อมมีค่าเป็นอะไรคะ "
    },
    {
      "message_id": 453,
      "agent_id": 29,
      "delay": 4.073,
      "onscreen_delay": 3.461,
      "typing_delay": 0.612,
      "typing_duration": 14.179,
      "wpm": 18,
      "message": "P Bar.Q + P Bar.Q "
    },
    {
      "message_id": 454,
      "agent_id": 12,
      "delay": 10.178,
      "onscreen_delay": 8.957,
      "typing_delay": 1.221,
      "typing_duration": 9.129,
      "wpm": 21,
      "message": "ก็ย่อมมีค่า = "
    },
    {
      "message_id": 455,
      "agent_id": 14,
      "delay": 6.178,
      "onscreen_delay": 5.477,
      "typing_delay": 0.701,
      "typing_duration": 5.836,
      "wpm": 59,
      "message": "P Bar . Q ลดรูปแล้วนะคะ "
    },
    {
      "message_id": 456,
      "agent_id": 16,
      "delay": 2.176,
      "onscreen_delay": 1.664,
      "typing_delay": 0.512,
      "typing_duration": 6.034,
      "wpm": 60,
      "message": "จากยุ่งเหยิง บรรทัดที่ 1 "
    },
    {
      "message_id": 457,
      "agent_id": 29,
      "delay": 2.033,
      "onscreen_delay": 0.087,
      "typing_delay": 1.946,
      "typing_duration": 11.979,
      "wpm": 16,
      "message": "วงจรยุ่งเหยิง "
    },
    {
      "message_id": 458,
      "agent_id": 12,
      "delay": 7.978,
      "onscreen_delay": 6.299,
      "typing_delay": 1.679,
      "typing_duration": 8.489,
      "wpm": 25,
      "message": "สามารถลดรูปได้"
    },
    {
      "message_id": 459,
      "agent_id": 14,
      "delay": 4.488,
      "onscreen_delay": 4.313,
      "typing_delay": 0.175,
      "typing_duration": 6.633,
      "wpm": 79,
      "message": "มีการทำงานเทียบเท่ากับวงจรใดนั่นเอง "
    },
    {
      "message_id": 460,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 461,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 6.498,
      "typing_delay": 4.503,
      "typing_duration": 4.503,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 462,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 463,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.426,
      "typing_delay": 4.574,
      "typing_duration": 4.574,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 464,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 465,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.528,
      "typing_delay": 0.472,
      "typing_duration": 12.001,
      "wpm": 31,
      "message": "มีค่าเทียบเท่ากับ P Bar.Q "
    },
    {
      "message_id": 466,
      "agent_id": 12,
      "delay": 7.998,
      "onscreen_delay": 6.039,
      "typing_delay": 1.959,
      "typing_duration": 6.831,
      "wpm": 35,
      "message": " ครูจะวาดตรงไหนดี "
    },
    {
      "message_id": 467,
      "agent_id": 14,
      "delay": 3.996,
      "onscreen_delay": 3.739,
      "typing_delay": 0.257,
      "typing_duration": 14.331,
      "wpm": 59,
      "message": "ตรงนี้เล็ก ๆ ก็แล้วกันนะคะ ตรงโจทย์ข้างล่างนี่ แสดงว่ามี "
    },
    {
      "message_id": 468,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 469,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 10.64,
      "typing_delay": 0.357,
      "typing_duration": 11.214,
      "wpm": 31,
      "message": "มาเจอ Bar ก็เท่ากับ Not "
    },
    {
      "message_id": 470,
      "agent_id": 12,
      "delay": 7.153,
      "onscreen_delay": 5.763,
      "typing_delay": 1.39,
      "typing_duration": 4.766,
      "wpm": 25,
      "message": "เอาออกมา "
    },
    {
      "message_id": 471,
      "agent_id": 14,
      "delay": 3.149,
      "onscreen_delay": 3.068,
      "typing_delay": 0.081,
      "typing_duration": 10.269,
      "wpm": 64,
      "message": "เจอ Gate อะไรคะ AND Gate เป็นคำตอบก็คือตัว R "
    },
    {
      "message_id": 472,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 473,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.667,
      "typing_delay": 0.332,
      "typing_duration": 12.819,
      "wpm": 49,
      "message": "อันนี้คือคำตอบนะคะ ง่ายไหมคะนักศึกษาง่ายนะ "
    },
    {
      "message_id": 474,
      "agent_id": 12,
      "delay": 8.813,
      "onscreen_delay": 2.628,
      "typing_delay": 6.185,
      "typing_duration": 6.185,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 475,
      "agent_id": 14,
      "delay": 4.811,
      "onscreen_delay": 3.308,
      "typing_delay": 1.503,
      "typing_duration": 8.389,
      "wpm": 63,
      "message": "มีคำถามไหมคะ มีใครจะถามอะไรครูไหมคะ "
    },
    {
      "message_id": 476,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 477,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 8.073,
      "typing_delay": 2.927,
      "typing_duration": 15.019,
      "wpm": 49,
      "message": "ถามคุณครูล่ามได้เลยนะคะ หรือจะให้ครูตรงส่วนไหนใหม"
    },
    {
      "message_id": 478,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 479,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 5.595,
      "typing_delay": 5.406,
      "typing_duration": 5.406,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 480,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 481,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.588,
      "typing_delay": 1.41,
      "typing_duration": 9.349,
      "wpm": 29,
      "message": "โอ.เค. ก็เดี๋ยวเรา"
    },
    {
      "message_id": 482,
      "agent_id": 12,
      "delay": 6.996,
      "onscreen_delay": 5.711,
      "typing_delay": 1.285,
      "typing_duration": 8.563,
      "wpm": 26,
      "message": "ไปดูช้ออื่นนะคะ "
    },
    {
      "message_id": 483,
      "agent_id": 14,
      "delay": 4.745,
      "onscreen_delay": 0,
      "typing_delay": 4.745,
      "typing_duration": 4.745,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 484,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 485,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 486,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 487,
      "agent_id": 14,
      "delay": 13.264,
      "onscreen_delay": 0,
      "typing_delay": 13.264,
      "typing_duration": 13.264,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 488,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 489,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 5.968,
      "typing_delay": 5.031,
      "typing_duration": 11.411,
      "wpm": 26,
      "message": "เน็ตครูจะช้านิดหนึ่ง"
    },
    {
      "message_id": 490,
      "agent_id": 12,
      "delay": 7.409,
      "onscreen_delay": 4.826,
      "typing_delay": 2.583,
      "typing_duration": 13.796,
      "wpm": 49,
      "message": "นะคะ นักศึกษา ตอนนี้คุณครูอยากจะให้นักศึกษาดู"
    },
    {
      "message_id": 491,
      "agent_id": 14,
      "delay": 9.793,
      "onscreen_delay": 8.786,
      "typing_delay": 1.007,
      "typing_duration": 13.879,
      "wpm": 71,
      "message": "โจทย์การบ้านนะคะ กิจกรรมกลุ่ม ขึ้นแล้วภาพขึ้นแล้ว มี 3 ข้อใช่ไหมคะ "
    },
    {
      "message_id": 492,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 493,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.828,
      "typing_delay": 1.171,
      "typing_duration": 14.834,
      "wpm": 46,
      "message": "ครูให้นักศึกษาเลือกทำข้อใดข้อหนึ่งที่นักศึกษา"
    },
    {
      "message_id": 494,
      "agent_id": 12,
      "delay": 10.833,
      "onscreen_delay": 9.917,
      "typing_delay": 0.916,
      "typing_duration": 6.528,
      "wpm": 48,
      "message": "ชอบ แล้วครูจะให้ส่งใน "
    },
    {
      "message_id": 495,
      "agent_id": 14,
      "delay": 6.828,
      "onscreen_delay": 6.415,
      "typing_delay": 0.413,
      "typing_duration": 13.938,
      "wpm": 61,
      "message": "Google Classroom แต่เท่าที่คุยกับตัวแทนนักศึกษาในห้องนะคะ "
    },
    {
      "message_id": 496,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 497,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.608,
      "typing_delay": 0.391,
      "typing_duration": 14.071,
      "wpm": 58,
      "message": "ส่งลิงก์ให้ ก็เลยบอกเขาว่าเดี๋ยวมาทำด้วยกันในห้องเรียน "
    },
    {
      "message_id": 498,
      "agent_id": 12,
      "delay": 10.07,
      "onscreen_delay": 8.753,
      "typing_delay": 1.317,
      "typing_duration": 9.041,
      "wpm": 48,
      "message": "ตอนนี้ช้อที่ 1 ครูทำให้ดูแล้ว "
    },
    {
      "message_id": 499,
      "agent_id": 14,
      "delay": 6.068,
      "onscreen_delay": 4.447,
      "typing_delay": 1.621,
      "typing_duration": 13.969,
      "wpm": 57,
      "message": "เหลือข้อ 2 และข้อ 3 ครูยังอยากให้นักศึกษาได้ฝึก ฝึกทำ"
    },
    {
      "message_id": 500,
      "agent_id": 16,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 501,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.514,
      "typing_delay": 0.488,
      "typing_duration": 4.503,
      "wpm": 40,
      "message": "เมื่อกี้นะคะ "
    },
    {
      "message_id": 502,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 503,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.665,
      "typing_delay": 4.335,
      "typing_duration": 4.335,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 504,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 505,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 6.429,
      "typing_delay": 4.57,
      "typing_duration": 4.57,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 506,
      "agent_id": 12,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 507,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 508,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 509,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 7.211,
      "typing_delay": 3.787,
      "typing_duration": 9.132,
      "wpm": 36,
      "message": "นักศึกษาพอจะทำได้ไหมคะ "
    },
    {
      "message_id": 510,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 511,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.546,
      "typing_delay": 4.454,
      "typing_duration": 4.454,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 512,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 513,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.507,
      "typing_delay": 1.493,
      "typing_duration": 7.909,
      "wpm": 59,
      "message": "ส่วนใหญ่เด็กจะปิดกล้องกันน่ะค่ะ "
    },
    {
      "message_id": 514,
      "agent_id": 12,
      "delay": 6.998,
      "onscreen_delay": 4.679,
      "typing_delay": 2.319,
      "typing_duration": 10.323,
      "wpm": 25,
      "message": "นักศึกษาเปิดกล้อง"
    },
    {
      "message_id": 515,
      "agent_id": 14,
      "delay": 6.322,
      "onscreen_delay": 5.957,
      "typing_delay": 0.365,
      "typing_duration": 14.821,
      "wpm": 70,
      "message": "คุยกันหน่อยได้ไหมคะ เปิดกล้องหน่อย หนูเห็นครูคนเดียว ครูไม่เห้นหนูเลย "
    },
    {
      "message_id": 516,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 517,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.51,
      "typing_delay": 1.489,
      "typing_duration": 8.895,
      "wpm": 44,
      "message": "ครูอยากเห็นหน้าลูกศิษย์น่ะ "
    },
    {
      "message_id": 518,
      "agent_id": 12,
      "delay": 6.998,
      "onscreen_delay": 3.605,
      "typing_delay": 3.393,
      "typing_duration": 5.666,
      "wpm": 45,
      "message": "เปิดกล้องได้ไหมคะ"
    },
    {
      "message_id": 519,
      "agent_id": 14,
      "delay": 4.401,
      "onscreen_delay": 0,
      "typing_delay": 4.401,
      "typing_duration": 4.401,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 520,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 521,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 7.51,
      "typing_delay": 3.489,
      "typing_duration": 13.995,
      "wpm": 36,
      "message": "ถ้าเราสะดวกเราก็เปิดกล้องเรียนตลอด"
    },
    {
      "message_id": 522,
      "agent_id": 12,
      "delay": 9.994,
      "onscreen_delay": 8.97,
      "typing_delay": 1.024,
      "typing_duration": 4.77,
      "wpm": 22,
      "message": "ได้นะคะ "
    },
    {
      "message_id": 523,
      "agent_id": 14,
      "delay": 5.992,
      "onscreen_delay": 1.689,
      "typing_delay": 4.303,
      "typing_duration": 4.303,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 524,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 525,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 526,
      "agent_id": 12,
      "delay": 11,
      "onscreen_delay": 2.802,
      "typing_delay": 8.198,
      "typing_duration": 9.38,
      "wpm": 10,
      "message": "โอ.เค. "
    },
    {
      "message_id": 527,
      "agent_id": 14,
      "delay": 6.99,
      "onscreen_delay": 5.924,
      "typing_delay": 1.066,
      "typing_duration": 11.894,
      "wpm": 69,
      "message": "ถ้าอย่างนั้นเดี๋ยวจะให้นักศึกษาทำงานนะคะ ข้อ 2 กับข้อ 3 "
    },
    {
      "message_id": 528,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 529,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.49,
      "typing_delay": 1.51,
      "typing_duration": 8.414,
      "wpm": 50,
      "message": "พยายามทำในชั้นเรียนตรงนี้สัก "
    },
    {
      "message_id": 530,
      "agent_id": 12,
      "delay": 6.999,
      "onscreen_delay": 4.523,
      "typing_delay": 2.476,
      "typing_duration": 7.688,
      "wpm": 14,
      "message": "30 นาที"
    },
    {
      "message_id": 531,
      "agent_id": 14,
      "delay": 3.687,
      "onscreen_delay": 3.479,
      "typing_delay": 0.208,
      "typing_duration": 14.673,
      "wpm": 72,
      "message": "นะคะ 30 นาที แล้วลองให้นักศึกษาตัวแทนที่มีความพร้อมนะคะ นำเสนอที่ทำได้ "
    },
    {
      "message_id": 532,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 533,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.385,
      "typing_delay": 0.615,
      "typing_duration": 12.085,
      "wpm": 38,
      "message": "แล้วครูก็จะช่วยดูให้ เอาเป็นว่า"
    },
    {
      "message_id": 534,
      "agent_id": 12,
      "delay": 8.083,
      "onscreen_delay": 5.71,
      "typing_delay": 2.373,
      "typing_duration": 6.205,
      "wpm": 39,
      "message": "ใครรหัสเลขที่คี่ "
    },
    {
      "message_id": 535,
      "agent_id": 14,
      "delay": 4.082,
      "onscreen_delay": 3.02,
      "typing_delay": 1.062,
      "typing_duration": 15.002,
      "wpm": 49,
      "message": "รหัสประจำตัวใครลงท้ายด้วยเลขคี่ ก็คือ 1, 3, 5 7 9 "
    },
    {
      "message_id": 536,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 537,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.077,
      "typing_delay": 0.921,
      "typing_duration": 13.197,
      "wpm": 34,
      "message": "ทำโจทย์ข้อ 2 ทำโจทย์ข้อ 2 นะคะ "
    },
    {
      "message_id": 538,
      "agent_id": 12,
      "delay": 9.194,
      "onscreen_delay": 6.784,
      "typing_delay": 2.41,
      "typing_duration": 6.864,
      "wpm": 28,
      "message": "ส่วนเลขที่คู่ "
    },
    {
      "message_id": 539,
      "agent_id": 14,
      "delay": 5.188,
      "onscreen_delay": 4.785,
      "typing_delay": 0.403,
      "typing_duration": 12.137,
      "wpm": 69,
      "message": "ทำข้อ 3 โอ.เค. นะคะ ก็ใช้เวลา 30 นาทีให้นักศึกษาลองคิดดู "
    },
    {
      "message_id": 540,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 541,
      "agent_id": 29,
      "delay": 10.996,
      "onscreen_delay": 10.463,
      "typing_delay": 0.533,
      "typing_duration": 11.576,
      "wpm": 45,
      "message": "แล้วก็ลองมานำเสนอเพื่อน เอาที่เราพอ"
    },
    {
      "message_id": 542,
      "agent_id": 12,
      "delay": 7.572,
      "onscreen_delay": 5.224,
      "typing_delay": 2.348,
      "typing_duration": 8.138,
      "wpm": 61,
      "message": "ทำได้นะคะ พยายามทำให้ได้มากที่สุด "
    },
    {
      "message_id": 543,
      "agent_id": 14,
      "delay": 4.137,
      "onscreen_delay": 2.686,
      "typing_delay": 1.451,
      "typing_duration": 14.66,
      "wpm": 77,
      "message": "ในระหว่างนี้ก็จะให้นักศึกษาทำงาน 30 นาทีนะคะ ครูอยู่ในห้องนี้ใครมีอะไรสงสัย "
    },
    {
      "message_id": 544,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 545,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.555,
      "typing_delay": 0.444,
      "typing_duration": 10.826,
      "wpm": 32,
      "message": "มีข้อสงสัยอยากจะถามอะไร "
    },
    {
      "message_id": 546,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 4.847,
      "typing_delay": 2.15,
      "typing_duration": 8.169,
      "wpm": 33,
      "message": "ถามได้เลยนะคะ หรือ"
    },
    {
      "message_id": 547,
      "agent_id": 14,
      "delay": 4.145,
      "onscreen_delay": 3.699,
      "typing_delay": 0.446,
      "typing_duration": 14.834,
      "wpm": 82,
      "message": "อาจจะพิมพ์แชทมานะคะ ส่วนครูจะอยู่ในห้องนี้นะคะ เดี๋ยวครูจะขออนุญาตเข้าห้องน้ำบ้าง "
    },
    {
      "message_id": 548,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 549,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.434,
      "typing_delay": 0.565,
      "typing_duration": 14.556,
      "wpm": 62,
      "message": "อาจจะปิดกล้องนิดหนึ่งนะคะ เดี๋ยวให้นักศึกษาทำงานที่รับผิดชอบ"
    },
    {
      "message_id": 550,
      "agent_id": 12,
      "delay": 10.555,
      "onscreen_delay": 8.798,
      "typing_delay": 1.757,
      "typing_duration": 6.257,
      "wpm": 50,
      "message": "30 นาทีนะคะ แล้วคุณคร"
    },
    {
      "message_id": 551,
      "agent_id": 14,
      "delay": 6.554,
      "onscreen_delay": 6.227,
      "typing_delay": 0.327,
      "typing_duration": 15.001,
      "wpm": 87,
      "message": "ขอบคุณครูล่ามด้วยนะคะ พัก 30 นาทีเลยค่ะ อยู่ในห้องนี้ล่ะค่ะ (ล่าม) รับทราบค่ะ (อาจารย์) "
    },
    {
      "message_id": 552,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 553,
      "agent_id": 29,
      "delay": 10.98,
      "onscreen_delay": 10.206,
      "typing_delay": 0.774,
      "typing_duration": 10.428,
      "wpm": 47,
      "message": "ขอบคุณค่ะ อาจารย์ (อาจารย์) ค่ะ ๆ "
    },
    {
      "message_id": 554,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 555,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 556,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 557,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 558,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 559,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 560,
      "agent_id": 16,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 561,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 562,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 563,
      "agent_id": 14,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 564,
      "agent_id": 16,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 565,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 566,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 567,
      "agent_id": 14,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 568,
      "agent_id": 16,
      "delay": 11.001,
      "onscreen_delay": 5.791,
      "typing_delay": 5.21,
      "typing_duration": 5.21,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 569,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
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      "message": "เดี๋ยวเราค่อย ๆ ศึกษาต่อ"
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    {
      "message_id": 926,
      "agent_id": 12,
      "delay": 6.081,
      "onscreen_delay": 3.209,
      "typing_delay": 2.872,
      "typing_duration": 6.518,
      "wpm": 51,
      "message": "เพิ่มเวลาอื่นก็แล้วกัน"
    },
    {
      "message_id": 927,
      "agent_id": 14,
      "delay": 2.518,
      "onscreen_delay": 2.226,
      "typing_delay": 0.292,
      "typing_duration": 11.618,
      "wpm": 59,
      "message": "เดี๋ยวครูต้องนักศึกษาบางคนด้วย ถามมาในแชท LINE "
    },
    {
      "message_id": 928,
      "agent_id": 16,
      "delay": 7.603,
      "onscreen_delay": 6.175,
      "typing_delay": 1.428,
      "typing_duration": 5.103,
      "wpm": 38,
      "message": "ครูลืมคำนึงไป"
    },
    {
      "message_id": 929,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 930,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 3.858,
      "typing_delay": 7.141,
      "typing_duration": 14.674,
      "wpm": 19,
      "message": "โอ.เค. ก็เป็นเรื่อง"
    },
    {
      "message_id": 931,
      "agent_id": 14,
      "delay": 10.669,
      "onscreen_delay": 10.295,
      "typing_delay": 0.374,
      "typing_duration": 12.928,
      "wpm": 41,
      "message": "ที่ยากอยู่นิดหนึ่งนะคะ ครูขอโทษด้วย "
    },
    {
      "message_id": 932,
      "agent_id": 16,
      "delay": 8.926,
      "onscreen_delay": 6.092,
      "typing_delay": 2.834,
      "typing_duration": 14.328,
      "wpm": 46,
      "message": "ลืมคิดไปว่าเพื่อนเราบางคนมีข้อจำกัดบางประการ"
    },
    {
      "message_id": 933,
      "agent_id": 29,
      "delay": 10.326,
      "onscreen_delay": 9.23,
      "typing_delay": 1.096,
      "typing_duration": 15.007,
      "wpm": 31,
      "message": "นะคะ การที่เราจะลดรูปวงจร ซึ่งเ"
    },
    {
      "message_id": 934,
      "agent_id": 12,
      "delay": 11.006,
      "onscreen_delay": 7.93,
      "typing_delay": 3.076,
      "typing_duration": 7.162,
      "wpm": 48,
      "message": "คือเราจะต้องเห็นภาพวงจร"
    },
    {
      "message_id": 935,
      "agent_id": 14,
      "delay": 7.005,
      "onscreen_delay": 6.752,
      "typing_delay": 0.253,
      "typing_duration": 11.098,
      "wpm": 23,
      "message": "ข้อจำกัดที่เราเอง "
    },
    {
      "message_id": 936,
      "agent_id": 16,
      "delay": 7.093,
      "onscreen_delay": 4.548,
      "typing_delay": 2.545,
      "typing_duration": 8.566,
      "wpm": 46,
      "message": "ที่ครูลืมคำนึงจุดนี้ไปนะคะ "
    },
    {
      "message_id": 937,
      "agent_id": 29,
      "delay": 4.564,
      "onscreen_delay": 3.475,
      "typing_delay": 1.089,
      "typing_duration": 13.672,
      "wpm": 41,
      "message": "เป็นว่ากิจกรรมเมื่อสักครู่นะคะ ถ้าใคร"
    },
    {
      "message_id": 938,
      "agent_id": 12,
      "delay": 9.672,
      "onscreen_delay": 8.787,
      "typing_delay": 0.885,
      "typing_duration": 10.829,
      "wpm": 46,
      "message": "สามารถนดำเนินการได้สามารถทำในเว็บ"
    },
    {
      "message_id": 939,
      "agent_id": 14,
      "delay": 6.827,
      "onscreen_delay": 6.482,
      "typing_delay": 0.345,
      "typing_duration": 9.56,
      "wpm": 17,
      "message": "นะคะ โอ.เค. "
    },
    {
      "message_id": 940,
      "agent_id": 16,
      "delay": 5.557,
      "onscreen_delay": 4.648,
      "typing_delay": 0.909,
      "typing_duration": 5.465,
      "wpm": 85,
      "message": "ถ้าอย่างไรตัวอย่างที่ครูทำให้ดู"
    },
    {
      "message_id": 941,
      "agent_id": 29,
      "delay": 1.556,
      "onscreen_delay": 0.545,
      "typing_delay": 1.011,
      "typing_duration": 9.635,
      "wpm": 25,
      "message": "ให้นักศึกษาศึกษา"
    },
    {
      "message_id": 942,
      "agent_id": 12,
      "delay": 5.626,
      "onscreen_delay": 3.463,
      "typing_delay": 2.163,
      "typing_duration": 9.483,
      "wpm": 66,
      "message": "นะคะ เพื่อให้ทราบหลักการว่าเวลาที่เราเรียน"
    },
    {
      "message_id": 943,
      "agent_id": 14,
      "delay": 5.481,
      "onscreen_delay": 4.041,
      "typing_delay": 1.44,
      "typing_duration": 10.863,
      "wpm": 55,
      "message": "คณิตศาสตร์แล้วนี่มันมีคุณสมบัติหรือทฤษฎี "
    },
    {
      "message_id": 944,
      "agent_id": 16,
      "delay": 6.862,
      "onscreen_delay": 4.896,
      "typing_delay": 1.966,
      "typing_duration": 7.956,
      "wpm": 62,
      "message": "เราสามารถใช้คุณสมบัติหรือทฤษฎีนี้"
    },
    {
      "message_id": 945,
      "agent_id": 29,
      "delay": 3.954,
      "onscreen_delay": 3.167,
      "typing_delay": 0.787,
      "typing_duration": 8.716,
      "wpm": 43,
      "message": "ไปลดรูปวงจร ไปใช้ประยุกต์"
    },
    {
      "message_id": 946,
      "agent_id": 12,
      "delay": 4.714,
      "onscreen_delay": 2.787,
      "typing_delay": 1.927,
      "typing_duration": 7.493,
      "wpm": 78,
      "message": "การทำงานมันสั้นขึ้นแต่ทำงานได้เหมือนกัน"
    },
    {
      "message_id": 947,
      "agent_id": 14,
      "delay": 3.492,
      "onscreen_delay": 2.191,
      "typing_delay": 1.301,
      "typing_duration": 8.078,
      "wpm": 72,
      "message": "ดังนั้น เดี๋ยวเราเรียนเรื่องใหม่เลยนะคะ "
    },
    {
      "message_id": 948,
      "agent_id": 16,
      "delay": 4.075,
      "onscreen_delay": 1.241,
      "typing_delay": 2.834,
      "typing_duration": 7.061,
      "wpm": 62,
      "message": "เดี๋ยวแป๊บหนึ่งนะคะ เรื่องนี้"
    },
    {
      "message_id": 949,
      "agent_id": 29,
      "delay": 13.171,
      "onscreen_delay": 0,
      "typing_delay": 13.171,
      "typing_duration": 13.171,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 950,
      "agent_id": 12,
      "delay": 9.17,
      "onscreen_delay": 6.385,
      "typing_delay": 2.785,
      "typing_duration": 12.472,
      "wpm": 61,
      "message": "หัวข้อที่ครูจะเตรียมจะสอนวันนี้ ก็คือเรื่องฟังก์ชัน"
    },
    {
      "message_id": 951,
      "agent_id": 14,
      "delay": 8.471,
      "onscreen_delay": 8.362,
      "typing_delay": 0.109,
      "typing_duration": 14.159,
      "wpm": 66,
      "message": "นะคะ ก็จะเป็นเรื่องง่าย ๆ น่าจะทำความเข้าใจได้ โอ.เค. ขึ้นนะคะ "
    },
    {
      "message_id": 952,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 953,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 9.872,
      "typing_delay": 1.125,
      "typing_duration": 4.241,
      "wpm": 39,
      "message": "แป๊บหนึ่งนะ "
    },
    {
      "message_id": 954,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 2.37,
      "typing_delay": 4.627,
      "typing_duration": 12.6,
      "wpm": 49,
      "message": "สำหรับพีชคณิตบูลีนนี่สำหรับคนที่ทำได้นะคะ "
    },
    {
      "message_id": 955,
      "agent_id": 14,
      "delay": 8.598,
      "onscreen_delay": 8.065,
      "typing_delay": 0.533,
      "typing_duration": 8.484,
      "wpm": 39,
      "message": "ก็ฝากคนที่ทำได้นะคะ ก็"
    },
    {
      "message_id": 956,
      "agent_id": 16,
      "delay": 4.597,
      "onscreen_delay": 3.526,
      "typing_delay": 1.071,
      "typing_duration": 6.464,
      "wpm": 81,
      "message": "ศึกษาเพิ่มเติม มีข้อสงสัยแลกเปลี่ยน "
    },
    {
      "message_id": 957,
      "agent_id": 29,
      "delay": 2.462,
      "onscreen_delay": 1.709,
      "typing_delay": 0.753,
      "typing_duration": 13.044,
      "wpm": 26,
      "message": "Inbox private มาเลยนะคะ "
    },
    {
      "message_id": 958,
      "agent_id": 12,
      "delay": 9.043,
      "onscreen_delay": 6.578,
      "typing_delay": 2.465,
      "typing_duration": 8.576,
      "wpm": 58,
      "message": "สำหรับบางคนที่มีข้อจำกัดบางประการ"
    },
    {
      "message_id": 959,
      "agent_id": 14,
      "delay": 5.041,
      "onscreen_delay": 3.974,
      "typing_delay": 1.067,
      "typing_duration": 12.13,
      "wpm": 68,
      "message": "ในการเรียนก็ไม่เป็นไรนะคะ เอาเท่าที่เราทำได้นะคะ โอ.เค. "
    },
    {
      "message_id": 960,
      "agent_id": 16,
      "delay": 8.129,
      "onscreen_delay": 4.514,
      "typing_delay": 3.615,
      "typing_duration": 7.269,
      "wpm": 39,
      "message": "ตามข้อที่เราทำได้นะ "
    },
    {
      "message_id": 961,
      "agent_id": 29,
      "delay": 4.129,
      "onscreen_delay": 3.102,
      "typing_delay": 1.027,
      "typing_duration": 12.756,
      "wpm": 47,
      "message": "สำหรับเรื่องต่อไปจะเป็นเรื่องของฟังก์ชัน"
    },
    {
      "message_id": 962,
      "agent_id": 12,
      "delay": 8.754,
      "onscreen_delay": 6.384,
      "typing_delay": 2.37,
      "typing_duration": 9.839,
      "wpm": 56,
      "message": "นะคะ แต่ก่อนที่เราจะรู้จักฟังก์ชันได้"
    },
    {
      "message_id": 963,
      "agent_id": 14,
      "delay": 5.838,
      "onscreen_delay": 5.428,
      "typing_delay": 0.41,
      "typing_duration": 5.368,
      "wpm": 78,
      "message": "นะคะ ในหลักคณิตศาสตร์ โอ.เค. "
    },
    {
      "message_id": 964,
      "agent_id": 16,
      "delay": 1.837,
      "onscreen_delay": 1.152,
      "typing_delay": 0.685,
      "typing_duration": 6.97,
      "wpm": 86,
      "message": "เดี๋ยวแป๊บหนึ่งนะคะ ครูกำลังจะสไลด์ให้ดู"
    },
    {
      "message_id": 965,
      "agent_id": 29,
      "delay": 2.969,
      "onscreen_delay": 0.146,
      "typing_delay": 2.823,
      "typing_duration": 11.967,
      "wpm": 20,
      "message": "แชร์สไลด์ โอ.เค. "
    },
    {
      "message_id": 966,
      "agent_id": 12,
      "delay": 7.965,
      "onscreen_delay": 4.634,
      "typing_delay": 3.331,
      "typing_duration": 8.338,
      "wpm": 52,
      "message": "วันนี้เราจะขึ้นเรื่องใหม่นะะค "
    },
    {
      "message_id": 967,
      "agent_id": 14,
      "delay": 4.337,
      "onscreen_delay": 2.448,
      "typing_delay": 1.889,
      "typing_duration": 10.809,
      "wpm": 44,
      "message": "ก็จะแนะนำเพื่อให้เราได้ทบทวนสิ่ง"
    },
    {
      "message_id": 968,
      "agent_id": 16,
      "delay": 6.808,
      "onscreen_delay": 5.912,
      "typing_delay": 0.896,
      "typing_duration": 9.549,
      "wpm": 74,
      "message": "ที่นำไปใช้ในคอมพิวเตอร์เรา ตอนนี้คุยเป็นพื้นทาง"
    },
    {
      "message_id": 969,
      "agent_id": 29,
      "delay": 5.547,
      "onscreen_delay": 4.889,
      "typing_delay": 0.658,
      "typing_duration": 10.281,
      "wpm": 53,
      "message": "ทางคณิตศาสตร์เสียก่อน เดี๋ยวเราจะเอา"
    },
    {
      "message_id": 970,
      "agent_id": 12,
      "delay": 6.278,
      "onscreen_delay": 4.905,
      "typing_delay": 1.373,
      "typing_duration": 8.006,
      "wpm": 39,
      "message": "ฟังก์ชันไปประยุกต์ใช้"
    },
    {
      "message_id": 971,
      "agent_id": 14,
      "delay": 4.002,
      "onscreen_delay": 3.822,
      "typing_delay": 0.18,
      "typing_duration": 10.669,
      "wpm": 48,
      "message": "ไปใช้เรื่องอะไรบ้าง จะยกเป็นเคสที่"
    },
    {
      "message_id": 972,
      "agent_id": 16,
      "delay": 6.668,
      "onscreen_delay": 4.494,
      "typing_delay": 2.174,
      "typing_duration": 8.847,
      "wpm": 71,
      "message": "นักศึกษามองเห็นภาพและนำไปใช้กันได้ง่ายขึ้น"
    },
    {
      "message_id": 973,
      "agent_id": 29,
      "delay": 4.847,
      "onscreen_delay": 3.981,
      "typing_delay": 0.866,
      "typing_duration": 13.738,
      "wpm": 29,
      "message": "สำหรับเรื่องของความสัมพันธ์"
    },
    {
      "message_id": 974,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 975,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 10.215,
      "typing_delay": 0.786,
      "typing_duration": 14.785,
      "wpm": 33,
      "message": "นะคะ ก็คือเซตก็คือศัพท์คณิตศาสตร์ "
    },
    {
      "message_id": 976,
      "agent_id": 16,
      "delay": 10.784,
      "onscreen_delay": 7.696,
      "typing_delay": 3.088,
      "typing_duration": 5.881,
      "wpm": 33,
      "message": "เซ็ตข้อมูลเกม "
    },
    {
      "message_id": 977,
      "agent_id": 29,
      "delay": 6.782,
      "onscreen_delay": 6.224,
      "typing_delay": 0.558,
      "typing_duration": 12.58,
      "wpm": 33,
      "message": "หมายถึงกลุ่มสิ่งของหรือบุคคล"
    },
    {
      "message_id": 978,
      "agent_id": 12,
      "delay": 8.579,
      "onscreen_delay": 5.343,
      "typing_delay": 3.236,
      "typing_duration": 8.633,
      "wpm": 38,
      "message": "นะคะ ทีนี้เวลาเราเขียน"
    },
    {
      "message_id": 979,
      "agent_id": 14,
      "delay": 4.632,
      "onscreen_delay": 3.708,
      "typing_delay": 0.924,
      "typing_duration": 12.361,
      "wpm": 46,
      "message": "เราจะเขียนสัญลักษณ์ใช้ตัวปีกกา {} นะคะ "
    },
    {
      "message_id": 980,
      "agent_id": 16,
      "delay": 8.359,
      "onscreen_delay": 4.908,
      "typing_delay": 3.451,
      "typing_duration": 10.042,
      "wpm": 31,
      "message": "สัญลักษณ์ปีกกามาให้ดู"
    },
    {
      "message_id": 981,
      "agent_id": 29,
      "delay": 6.04,
      "onscreen_delay": 0.648,
      "typing_delay": 5.392,
      "typing_duration": 5.392,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 982,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 983,
      "agent_id": 14,
      "delay": 10.977,
      "onscreen_delay": 9.125,
      "typing_delay": 1.852,
      "typing_duration": 10.815,
      "wpm": 57,
      "message": "ครูจะเห็นหน้าทุกคนไปด้วยไม่รู้จะทำอย่างไร "
    },
    {
      "message_id": 984,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 985,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.987,
      "typing_delay": 1.012,
      "typing_duration": 12.851,
      "wpm": 13,
      "message": "ล่ามใหญ่เลย "
    },
    {
      "message_id": 986,
      "agent_id": 12,
      "delay": 8.85,
      "onscreen_delay": 7.681,
      "typing_delay": 1.169,
      "typing_duration": 15.001,
      "wpm": 37,
      "message": "ครูอยากเห็นหน้าทุกคนนะคะ แต่ดูในไอแพด"
    },
    {
      "message_id": 987,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 8.974,
      "typing_delay": 2.025,
      "typing_duration": 12.686,
      "wpm": 60,
      "message": "(ล่าม) คือ เมื่อกี้ก็บอกเด็กแล้วค่ะ ว่าให้เปิดกล้อง"
    },
    {
      "message_id": 988,
      "agent_id": 16,
      "delay": 8.685,
      "onscreen_delay": 8.006,
      "typing_delay": 0.679,
      "typing_duration": 8.779,
      "wpm": 96,
      "message": "อย่างนี้ค่ะ (อาจารย์) อ๋อค่ะ เมื่อกี้ต้องขออภัยมาก ๆ เลย "
    },
    {
      "message_id": 989,
      "agent_id": 29,
      "delay": 4.779,
      "onscreen_delay": 3.26,
      "typing_delay": 1.519,
      "typing_duration": 13.398,
      "wpm": 36,
      "message": "เลยในไลน์กลุ่มเห็นนักศึกษาสะท้อน"
    },
    {
      "message_id": 990,
      "agent_id": 12,
      "delay": 9.396,
      "onscreen_delay": 8.035,
      "typing_delay": 1.361,
      "typing_duration": 6.958,
      "wpm": 45,
      "message": "ปัญหาามานะคะ ครูลืมไป"
    },
    {
      "message_id": 991,
      "agent_id": 14,
      "delay": 5.394,
      "onscreen_delay": 4.599,
      "typing_delay": 0.795,
      "typing_duration": 13.079,
      "wpm": 47,
      "message": "คราวนี้เรามาดูเรื่องสิ่งแรกนะคะ เซต ก็คือ"
    },
    {
      "message_id": 992,
      "agent_id": 16,
      "delay": 9.077,
      "onscreen_delay": 6.601,
      "typing_delay": 2.476,
      "typing_duration": 6.868,
      "wpm": 57,
      "message": "กลุ่มบุคคลหรือกลุ่มสิ่งของ"
    },
    {
      "message_id": 993,
      "agent_id": 29,
      "delay": 5.076,
      "onscreen_delay": 2.867,
      "typing_delay": 2.209,
      "typing_duration": 9.892,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 994,
      "agent_id": 12,
      "delay": 5.89,
      "onscreen_delay": 5.109,
      "typing_delay": 0.781,
      "typing_duration": 5.363,
      "wpm": 78,
      "message": "นะคะ ปีกกาก็คือตัวนี้ ตัวนี้"
    },
    {
      "message_id": 995,
      "agent_id": 14,
      "delay": 1.878,
      "onscreen_delay": 0.978,
      "typing_delay": 0.9,
      "typing_duration": 9.313,
      "wpm": 58,
      "message": "เดี๋ยวครูใช้เลเซอร์ ตัวนี้นะคะ ปีกกา "
    },
    {
      "message_id": 996,
      "agent_id": 16,
      "delay": 5.312,
      "onscreen_delay": 3.627,
      "typing_delay": 1.685,
      "typing_duration": 6.67,
      "wpm": 58,
      "message": "อย่างเช่น เราบอกว่า เซ็ต A "
    },
    {
      "message_id": 997,
      "agent_id": 29,
      "delay": 2.668,
      "onscreen_delay": 2.006,
      "typing_delay": 0.662,
      "typing_duration": 15.001,
      "wpm": 24,
      "message": "A ใหญ่นะ เป็นเรื่องของ เ"
    },
    {
      "message_id": 998,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 9.55,
      "typing_delay": 1.449,
      "typing_duration": 6.954,
      "wpm": 30,
      "message": "ปกติเราก็จะใช้"
    },
    {
      "message_id": 999,
      "agent_id": 14,
      "delay": 6.998,
      "onscreen_delay": 6.739,
      "typing_delay": 0.259,
      "typing_duration": 9.812,
      "wpm": 72,
      "message": "คำพูดอะไรก็ได้ แต่พอดีเราเรียนของฝรั่งก็ใช้เป็น "
    },
    {
      "message_id": 1000,
      "agent_id": 16,
      "delay": 5.811,
      "onscreen_delay": 4.646,
      "typing_delay": 1.165,
      "typing_duration": 7.786,
      "wpm": 48,
      "message": "a b c แต่อาจจะใช้เป็นเซ็ต "
    },
    {
      "message_id": 1001,
      "agent_id": 29,
      "delay": 3.785,
      "onscreen_delay": 3.215,
      "typing_delay": 0.57,
      "typing_duration": 13.69,
      "wpm": 34,
      "message": "เซตของนักศึกษา DSS ที่เรียนสาขา"
    },
    {
      "message_id": 1002,
      "agent_id": 12,
      "delay": 9.688,
      "onscreen_delay": 8.234,
      "typing_delay": 1.454,
      "typing_duration": 7.261,
      "wpm": 70,
      "message": "คอมพิวเตอร์นะคะ คอมพิวเตอร์พื้นฐาน"
    },
    {
      "message_id": 1003,
      "agent_id": 14,
      "delay": 5.685,
      "onscreen_delay": 5.137,
      "typing_delay": 0.548,
      "typing_duration": 15.001,
      "wpm": 51,
      "message": "ก็มานะ มานะก็จะเป็นสมาชิกเซตที่ 1 พอขึ้นสมาชิกเซจที"
    },
    {
      "message_id": 1004,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1005,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.269,
      "typing_delay": 0.73,
      "typing_duration": 14.036,
      "wpm": 18,
      "message": "เซตที่ 2 ก็จะมี , "
    },
    {
      "message_id": 1006,
      "agent_id": 12,
      "delay": 10.035,
      "onscreen_delay": 8.01,
      "typing_delay": 2.025,
      "typing_duration": 7.96,
      "wpm": 51,
      "message": "มานีก็จะเป็นสมาชิกเซ็ตที่ 2 "
    },
    {
      "message_id": 1007,
      "agent_id": 14,
      "delay": 6.033,
      "onscreen_delay": 4.643,
      "typing_delay": 1.39,
      "typing_duration": 8.322,
      "wpm": 36,
      "message": "ในตัวอย่างในสไลด์นี้"
    },
    {
      "message_id": 1008,
      "agent_id": 16,
      "delay": 4.319,
      "onscreen_delay": 4.004,
      "typing_delay": 0.315,
      "typing_duration": 8.601,
      "wpm": 44,
      "message": "เซต a a จะเท่ากับจำนวนนับ "
    },
    {
      "message_id": 1009,
      "agent_id": 29,
      "delay": 4.597,
      "onscreen_delay": 2.852,
      "typing_delay": 1.745,
      "typing_duration": 14.745,
      "wpm": 5,
      "message": "1, 2, "
    },
    {
      "message_id": 1010,
      "agent_id": 12,
      "delay": 10.744,
      "onscreen_delay": 8.572,
      "typing_delay": 2.172,
      "typing_duration": 9.389,
      "wpm": 32,
      "message": "3 คุณสมบัติของ Set A "
    },
    {
      "message_id": 1011,
      "agent_id": 14,
      "delay": 6.742,
      "onscreen_delay": 6.278,
      "typing_delay": 0.464,
      "typing_duration": 8.917,
      "wpm": 64,
      "message": "อย่างแรกนะคะ ก็คือ 1 นับจำนวนสมาชิกได้ "
    },
    {
      "message_id": 1012,
      "agent_id": 16,
      "delay": 4.916,
      "onscreen_delay": 2.601,
      "typing_delay": 2.315,
      "typing_duration": 6.1,
      "wpm": 54,
      "message": "นับได้ว่ามีเลข 1 เลข 2 "
    },
    {
      "message_id": 1013,
      "agent_id": 29,
      "delay": 2.099,
      "onscreen_delay": 1.192,
      "typing_delay": 0.907,
      "typing_duration": 13.628,
      "wpm": 23,
      "message": "เลข 3 แสดงว่ามีสมาชิก"
    },
    {
      "message_id": 1014,
      "agent_id": 12,
      "delay": 9.627,
      "onscreen_delay": 7.305,
      "typing_delay": 2.322,
      "typing_duration": 8.346,
      "wpm": 40,
      "message": "อยู่ 3 ตัว สมาชิกของ A "
    },
    {
      "message_id": 1015,
      "agent_id": 14,
      "delay": 5.626,
      "onscreen_delay": 4.957,
      "typing_delay": 0.669,
      "typing_duration": 14.279,
      "wpm": 22,
      "message": "เราจะแทนด้วยสัญลักษณ์ "
    },
    {
      "message_id": 1016,
      "agent_id": 16,
      "delay": 10.278,
      "onscreen_delay": 8.846,
      "typing_delay": 1.432,
      "typing_duration": 9.203,
      "wpm": 37,
      "message": "m A ใหญ่ มีค่าเท่ากับ 3 "
    },
    {
      "message_id": 1017,
      "agent_id": 29,
      "delay": 6.276,
      "onscreen_delay": 5.853,
      "typing_delay": 0.423,
      "typing_duration": 9.468,
      "wpm": 38,
      "message": "นะคะ ในสำหรับเซตต่อมาเซต "
    },
    {
      "message_id": 1018,
      "agent_id": 12,
      "delay": 5.467,
      "onscreen_delay": 2.434,
      "typing_delay": 3.033,
      "typing_duration": 9.87,
      "wpm": 23,
      "message": "B ก็คือ Set ของ "
    },
    {
      "message_id": 1019,
      "agent_id": 14,
      "delay": 5.869,
      "onscreen_delay": 3.565,
      "typing_delay": 2.304,
      "typing_duration": 6.177,
      "wpm": 17,
      "message": "4, 5, 6 "
    },
    {
      "message_id": 1020,
      "agent_id": 16,
      "delay": 2.175,
      "onscreen_delay": 0.584,
      "typing_delay": 1.591,
      "typing_duration": 7.616,
      "wpm": 79,
      "message": "B ก็จะมี จำนวนเซ็ตอยู่ 3 ตัวเช่นเดียวกัน "
    },
    {
      "message_id": 1021,
      "agent_id": 29,
      "delay": 3.613,
      "onscreen_delay": 2.627,
      "typing_delay": 0.986,
      "typing_duration": 10.264,
      "wpm": 37,
      "message": "นะคะ สมาชิกตัวที่ 1 ของ B "
    },
    {
      "message_id": 1022,
      "agent_id": 12,
      "delay": 6.26,
      "onscreen_delay": 5.215,
      "typing_delay": 1.045,
      "typing_duration": 10.246,
      "wpm": 48,
      "message": "ก็คือ 4 ตัวนี้ เป็นสมาชิกตัวที่ 1 "
    },
    {
      "message_id": 1023,
      "agent_id": 14,
      "delay": 6.245,
      "onscreen_delay": 6.077,
      "typing_delay": 0.168,
      "typing_duration": 8.489,
      "wpm": 53,
      "message": "ของ B 5 เป็นสมาชิกตัวที่ 2 ของ"
    },
    {
      "message_id": 1024,
      "agent_id": 16,
      "delay": 4.488,
      "onscreen_delay": 3.27,
      "typing_delay": 1.218,
      "typing_duration": 7.735,
      "wpm": 39,
      "message": "บี 6 เป็นสมาชิกของ B "
    },
    {
      "message_id": 1025,
      "agent_id": 29,
      "delay": 3.735,
      "onscreen_delay": 2.772,
      "typing_delay": 0.963,
      "typing_duration": 10.618,
      "wpm": 30,
      "message": "ของ B ทีนี้ถ้าชื่อเซต"
    },
    {
      "message_id": 1026,
      "agent_id": 12,
      "delay": 6.617,
      "onscreen_delay": 3.873,
      "typing_delay": 2.744,
      "typing_duration": 6.542,
      "wpm": 53,
      "message": "เราเขียนด้วยตัวใหญ่ปั๊บ "
    },
    {
      "message_id": 1027,
      "agent_id": 14,
      "delay": 2.616,
      "onscreen_delay": 2.319,
      "typing_delay": 0.297,
      "typing_duration": 5.773,
      "wpm": 75,
      "message": "เซตจะใช้เป็นตัวเล็กคู่กันนะคะ "
    },
    {
      "message_id": 1028,
      "agent_id": 16,
      "delay": 1.772,
      "onscreen_delay": 1.129,
      "typing_delay": 0.643,
      "typing_duration": 7.695,
      "wpm": 60,
      "message": "การที่เราเขียนว่า สมาชิก b นะคะ "
    },
    {
      "message_id": 1029,
      "agent_id": 29,
      "delay": 3.694,
      "onscreen_delay": 2.863,
      "typing_delay": 0.831,
      "typing_duration": 7.469,
      "wpm": 52,
      "message": "นะคะ ตรงนี้เป็นสมาชิกของ B "
    },
    {
      "message_id": 1030,
      "agent_id": 12,
      "delay": 3.468,
      "onscreen_delay": 2.182,
      "typing_delay": 1.286,
      "typing_duration": 5.62,
      "wpm": 61,
      "message": "สัญญลักษณ์การเป็นสมาชิก"
    },
    {
      "message_id": 1031,
      "agent_id": 14,
      "delay": 1.619,
      "onscreen_delay": 1.367,
      "typing_delay": 0.252,
      "typing_duration": 8.171,
      "wpm": 59,
      "message": "แต่ไม่ใช่ตัว E นี่ค่ะ ตัวนี้เป็น"
    },
    {
      "message_id": 1032,
      "agent_id": 16,
      "delay": 4.17,
      "onscreen_delay": 3.259,
      "typing_delay": 0.911,
      "typing_duration": 7.315,
      "wpm": 51,
      "message": "สัญลักษณ์ทางคณิตศาสตร์ของ"
    },
    {
      "message_id": 1033,
      "agent_id": 29,
      "delay": 3.312,
      "onscreen_delay": 2.954,
      "typing_delay": 0.358,
      "typing_duration": 5.343,
      "wpm": 36,
      "message": "เป็นสมาชิกของ"
    },
    {
      "message_id": 1034,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1035,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.565,
      "typing_delay": 4.435,
      "typing_duration": 4.435,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1036,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 1.657,
      "typing_delay": 5.34,
      "typing_duration": 9.569,
      "wpm": 31,
      "message": "นิยามที่ 1 คือ นิยาม"
    },
    {
      "message_id": 1037,
      "agent_id": 29,
      "delay": 5.565,
      "onscreen_delay": 5.153,
      "typing_delay": 0.412,
      "typing_duration": 14.541,
      "wpm": 30,
      "message": "ที่ทำให้เราศึกษาเรื่องทีเชียน"
    },
    {
      "message_id": 1038,
      "agent_id": 12,
      "delay": 10.538,
      "onscreen_delay": 6.489,
      "typing_delay": 4.049,
      "typing_duration": 9.795,
      "wpm": 21,
      "message": "ผลคูณคาทิเชียน"
    },
    {
      "message_id": 1039,
      "agent_id": 14,
      "delay": 6.536,
      "onscreen_delay": 6.371,
      "typing_delay": 0.165,
      "typing_duration": 15,
      "wpm": 55,
      "message": "เอาเซต 2 เซตมากระทำต่อกันโดยการ Cross การ Cross คือ การ"
    },
    {
      "message_id": 1040,
      "agent_id": 16,
      "delay": 10.998,
      "onscreen_delay": 8.19,
      "typing_delay": 2.808,
      "typing_duration": 5.237,
      "wpm": 40,
      "message": "สร้างคู่อันดับ "
    },
    {
      "message_id": 1041,
      "agent_id": 29,
      "delay": 6.997,
      "onscreen_delay": 6.527,
      "typing_delay": 0.47,
      "typing_duration": 13.503,
      "wpm": 14,
      "message": "ระหว่างที่เรา"
    },
    {
      "message_id": 1042,
      "agent_id": 12,
      "delay": 9.502,
      "onscreen_delay": 7.149,
      "typing_delay": 2.353,
      "typing_duration": 8.2,
      "wpm": 53,
      "message": "เรียกว่าเซ็ตหน้า ตอนนี้ A นี่ "
    },
    {
      "message_id": 1043,
      "agent_id": 14,
      "delay": 5.5,
      "onscreen_delay": 5.275,
      "typing_delay": 0.225,
      "typing_duration": 8.406,
      "wpm": 45,
      "message": "เป็นเซตหน้า B เป็นเซตหลัง"
    },
    {
      "message_id": 1044,
      "agent_id": 16,
      "delay": 4.405,
      "onscreen_delay": 3.449,
      "typing_delay": 0.956,
      "typing_duration": 6.604,
      "wpm": 66,
      "message": "เวลาเอามาคอร์สกันอยู่ข้างหน้า "
    },
    {
      "message_id": 1045,
      "agent_id": 29,
      "delay": 2.603,
      "onscreen_delay": 1.991,
      "typing_delay": 0.612,
      "typing_duration": 11.273,
      "wpm": 7,
      "message": "A x B "
    },
    {
      "message_id": 1046,
      "agent_id": 12,
      "delay": 7.271,
      "onscreen_delay": 5.182,
      "typing_delay": 2.089,
      "typing_duration": 12.266,
      "wpm": 31,
      "message": "A เป็นเซ็ตหน้า เซ็ตสมาชิก"
    },
    {
      "message_id": 1047,
      "agent_id": 14,
      "delay": 8.263,
      "onscreen_delay": 8.014,
      "typing_delay": 0.249,
      "typing_duration": 8.646,
      "wpm": 52,
      "message": "ตัวหน้านะคะ ยาว ๆ B เรียกว่า \""
    },
    {
      "message_id": 1048,
      "agent_id": 16,
      "delay": 4.646,
      "onscreen_delay": 2.789,
      "typing_delay": 1.857,
      "typing_duration": 5.536,
      "wpm": 41,
      "message": "เป็นเซ็ตตัวหลัง "
    },
    {
      "message_id": 1049,
      "agent_id": 29,
      "delay": 1.534,
      "onscreen_delay": 0.983,
      "typing_delay": 0.551,
      "typing_duration": 13.713,
      "wpm": 50,
      "message": "ตัวหลังนะคะ เราจะเรียกสั้น ๆ ว่า A เป็นเซตหน้า "
    },
    {
      "message_id": 1050,
      "agent_id": 12,
      "delay": 9.711,
      "onscreen_delay": 8.466,
      "typing_delay": 1.245,
      "typing_duration": 6.251,
      "wpm": 29,
      "message": "เป็นเซ็ตหน้า "
    },
    {
      "message_id": 1051,
      "agent_id": 14,
      "delay": 5.71,
      "onscreen_delay": 5.449,
      "typing_delay": 0.261,
      "typing_duration": 13.259,
      "wpm": 28,
      "message": "เอา A ไปคลอส B จะเกิดเป็น"
    },
    {
      "message_id": 1052,
      "agent_id": 16,
      "delay": 9.257,
      "onscreen_delay": 8.507,
      "typing_delay": 0.75,
      "typing_duration": 4.962,
      "wpm": 42,
      "message": "ผลคูณคาเคเชียน "
    },
    {
      "message_id": 1053,
      "agent_id": 29,
      "delay": 5.256,
      "onscreen_delay": 4.451,
      "typing_delay": 0.805,
      "typing_duration": 9.842,
      "wpm": 53,
      "message": "ตัวหน้ามาจาก A สมาชิกตัวหลังมาจาก B "
    },
    {
      "message_id": 1054,
      "agent_id": 12,
      "delay": 5.842,
      "onscreen_delay": 3.914,
      "typing_delay": 1.928,
      "typing_duration": 6.948,
      "wpm": 43,
      "message": "สังเกตนะคะ A cross B "
    },
    {
      "message_id": 1055,
      "agent_id": 14,
      "delay": 2.944,
      "onscreen_delay": 1.823,
      "typing_delay": 1.121,
      "typing_duration": 8.294,
      "wpm": 49,
      "message": "ตอนนี้ A มีสมาชิกอยู่ 3 ตัว "
    },
    {
      "message_id": 1056,
      "agent_id": 16,
      "delay": 4.291,
      "onscreen_delay": 2.014,
      "typing_delay": 2.277,
      "typing_duration": 6.986,
      "wpm": 47,
      "message": "b ก็มีสมาชิกอยู่ 3 ตัว "
    },
    {
      "message_id": 1057,
      "agent_id": 29,
      "delay": 2.981,
      "onscreen_delay": 2.636,
      "typing_delay": 0.345,
      "typing_duration": 10.663,
      "wpm": 18,
      "message": "ของ N Cross B "
    },
    {
      "message_id": 1058,
      "agent_id": 12,
      "delay": 6.66,
      "onscreen_delay": 4.524,
      "typing_delay": 2.136,
      "typing_duration": 5.013,
      "wpm": 18,
      "message": "เป็น 3 "
    },
    {
      "message_id": 1059,
      "agent_id": 14,
      "delay": 2.656,
      "onscreen_delay": 1.502,
      "typing_delay": 1.154,
      "typing_duration": 8.005,
      "wpm": 71,
      "message": "(นักศึกษาชาย) 9 (อาจารย์) 9 เป็น 9 ตัว "
    },
    {
      "message_id": 1060,
      "agent_id": 16,
      "delay": 4.002,
      "onscreen_delay": 3.615,
      "typing_delay": 0.387,
      "typing_duration": 8.874,
      "wpm": 64,
      "message": "ตัวที่ 1 ตัวที่ 1 ของ a คอร์ส b อันนี้"
    },
    {
      "message_id": 1061,
      "agent_id": 29,
      "delay": 4.864,
      "onscreen_delay": 4.116,
      "typing_delay": 0.748,
      "typing_duration": 10.146,
      "wpm": 46,
      "message": "จะเป็นคู่อันดับนะคะ คู่อันดับ 1 "
    },
    {
      "message_id": 1062,
      "agent_id": 12,
      "delay": 6.141,
      "onscreen_delay": 3.22,
      "typing_delay": 2.921,
      "typing_duration": 8.196,
      "wpm": 57,
      "message": "คู่ 4 พูดง่าย ๆ ก็คือตัวนี้นะคะ "
    },
    {
      "message_id": 1063,
      "agent_id": 14,
      "delay": 4.195,
      "onscreen_delay": 2.732,
      "typing_delay": 1.463,
      "typing_duration": 9.489,
      "wpm": 40,
      "message": "เราจะเอา 1 ตัวนี้ไปคู่กับ"
    },
    {
      "message_id": 1064,
      "agent_id": 16,
      "delay": 5.489,
      "onscreen_delay": 4.26,
      "typing_delay": 1.229,
      "typing_duration": 5.125,
      "wpm": 59,
      "message": "สมาชิกตัวหลังก็คือ B "
    },
    {
      "message_id": 1065,
      "agent_id": 29,
      "delay": 1.913,
      "onscreen_delay": 0,
      "typing_delay": 1.913,
      "typing_duration": 13.82,
      "wpm": 11,
      "message": "ถัดไปข้อ 1 "
    },
    {
      "message_id": 1066,
      "agent_id": 12,
      "delay": 9.819,
      "onscreen_delay": 8.421,
      "typing_delay": 1.398,
      "typing_duration": 9.102,
      "wpm": 53,
      "message": "เป็นคูสมาชิกตัวที่ 2 ของ B ก็คือ "
    },
    {
      "message_id": 1067,
      "agent_id": 14,
      "delay": 5.818,
      "onscreen_delay": 5.44,
      "typing_delay": 0.378,
      "typing_duration": 9.143,
      "wpm": 46,
      "message": "5 เขียนเป็นคู่อันดับ ก็คือ 1 "
    },
    {
      "message_id": 1068,
      "agent_id": 16,
      "delay": 5.142,
      "onscreen_delay": 3.295,
      "typing_delay": 1.847,
      "typing_duration": 7.388,
      "wpm": 63,
      "message": "คู่ 5 จากนั้น 1 ยังจับคู่ได้อีก"
    },
    {
      "message_id": 1069,
      "agent_id": 29,
      "delay": 3.387,
      "onscreen_delay": 3.016,
      "typing_delay": 0.371,
      "typing_duration": 10.515,
      "wpm": 40,
      "message": "นะคะ 1 กับ A ยังจับคู่ได้อีก "
    },
    {
      "message_id": 1070,
      "agent_id": 12,
      "delay": 6.514,
      "onscreen_delay": 4.348,
      "typing_delay": 2.166,
      "typing_duration": 9.232,
      "wpm": 47,
      "message": "ของ B ตัวนี้ ก็เขียนคู่อันดับ"
    },
    {
      "message_id": 1071,
      "agent_id": 14,
      "delay": 5.228,
      "onscreen_delay": 5.1,
      "typing_delay": 0.128,
      "typing_duration": 6.757,
      "wpm": 44,
      "message": "ได้เป็น 1 คู่ 6 นะคะ "
    },
    {
      "message_id": 1072,
      "agent_id": 16,
      "delay": 2.756,
      "onscreen_delay": 1.348,
      "typing_delay": 1.408,
      "typing_duration": 7.644,
      "wpm": 57,
      "message": "1 นี่มันหมดแล้ว 1 จับคู่จาก B"
    },
    {
      "message_id": 1073,
      "agent_id": 29,
      "delay": 3.635,
      "onscreen_delay": 2.183,
      "typing_delay": 1.452,
      "typing_duration": 8.739,
      "wpm": 48,
      "message": "พอมันหมดแล้วเราก็เปลี่ยนใหม่ "
    },
    {
      "message_id": 1074,
      "agent_id": 12,
      "delay": 4.738,
      "onscreen_delay": 3.692,
      "typing_delay": 1.046,
      "typing_duration": 4.804,
      "wpm": 34,
      "message": "เป็น 2 บ้าง "
    },
    {
      "message_id": 1075,
      "agent_id": 14,
      "delay": 3.223,
      "onscreen_delay": 0,
      "typing_delay": 3.223,
      "typing_duration": 7.686,
      "wpm": 14,
      "message": "คราวนี้ "
    },
    {
      "message_id": 1076,
      "agent_id": 16,
      "delay": 3.685,
      "onscreen_delay": 2.187,
      "typing_delay": 1.498,
      "typing_duration": 8.103,
      "wpm": 72,
      "message": "2 คู่กับใครได้บ้าง จับคู่กับสมาชิกของ B "
    },
    {
      "message_id": 1077,
      "agent_id": 29,
      "delay": 4.102,
      "onscreen_delay": 3.703,
      "typing_delay": 0.399,
      "typing_duration": 11.287,
      "wpm": 37,
      "message": "ก็ 2 จับคู่กับ 4 ก็คู่อันดับ "
    },
    {
      "message_id": 1078,
      "agent_id": 12,
      "delay": 7.285,
      "onscreen_delay": 5.955,
      "typing_delay": 1.33,
      "typing_duration": 7.076,
      "wpm": 38,
      "message": "2 4 เกิดขึ้น ต่อไป "
    },
    {
      "message_id": 1079,
      "agent_id": 14,
      "delay": 3.263,
      "onscreen_delay": 1.213,
      "typing_delay": 2.05,
      "typing_duration": 8.362,
      "wpm": 2,
      "message": "2 "
    },
    {
      "message_id": 1080,
      "agent_id": 16,
      "delay": 4.361,
      "onscreen_delay": 3.4,
      "typing_delay": 0.961,
      "typing_duration": 6.966,
      "wpm": 41,
      "message": "ไปจับคู่สมาชิกกับ B "
    },
    {
      "message_id": 1081,
      "agent_id": 29,
      "delay": 2.962,
      "onscreen_delay": 1.359,
      "typing_delay": 1.603,
      "typing_duration": 8.435,
      "wpm": 39,
      "message": "2 คู่ 5 เริ่มจากตัวนี้ "
    },
    {
      "message_id": 1082,
      "agent_id": 12,
      "delay": 4.435,
      "onscreen_delay": 2.724,
      "typing_delay": 1.711,
      "typing_duration": 7.895,
      "wpm": 28,
      "message": "ต่อไป 2 ไปคู่ 6 "
    },
    {
      "message_id": 1083,
      "agent_id": 14,
      "delay": 3.883,
      "onscreen_delay": 2.712,
      "typing_delay": 1.171,
      "typing_duration": 7.475,
      "wpm": 44,
      "message": "จะได้คู่อันดับ 2 คู่ 6 "
    },
    {
      "message_id": 1084,
      "agent_id": 16,
      "delay": 3.474,
      "onscreen_delay": 0.627,
      "typing_delay": 2.847,
      "typing_duration": 9.553,
      "wpm": 41,
      "message": "หมดแล้ว 2 คู่ใครไม่ได้ใน B "
    },
    {
      "message_id": 1085,
      "agent_id": 29,
      "delay": 5.551,
      "onscreen_delay": 4.127,
      "typing_delay": 1.424,
      "typing_duration": 7.801,
      "wpm": 69,
      "message": "พอ 2 ไม่สามารถสร้างคู่ใหม่ได้อีกแล้ว "
    },
    {
      "message_id": 1086,
      "agent_id": 12,
      "delay": 3.799,
      "onscreen_delay": 1.873,
      "typing_delay": 1.926,
      "typing_duration": 6.887,
      "wpm": 52,
      "message": "เราก็จะขยับสมาชิกตัวหน้า"
    },
    {
      "message_id": 1087,
      "agent_id": 14,
      "delay": 2.885,
      "onscreen_delay": 2.37,
      "typing_delay": 0.515,
      "typing_duration": 8.812,
      "wpm": 75,
      "message": "นะคะ จาก 2 กลายเป็น 2 บ้าง คราวนี้กลายเป็น 3 "
    },
    {
      "message_id": 1088,
      "agent_id": 16,
      "delay": 4.811,
      "onscreen_delay": 3.802,
      "typing_delay": 1.009,
      "typing_duration": 5.903,
      "wpm": 46,
      "message": "3 จาก A ไปคู่กับ B "
    },
    {
      "message_id": 1089,
      "agent_id": 29,
      "delay": 1.9,
      "onscreen_delay": 1.758,
      "typing_delay": 0.142,
      "typing_duration": 9.725,
      "wpm": 31,
      "message": "ก็ 3 คู่ 4 ได้ตัวนี้"
    },
    {
      "message_id": 1090,
      "agent_id": 12,
      "delay": 5.723,
      "onscreen_delay": 4.549,
      "typing_delay": 1.174,
      "typing_duration": 7.851,
      "wpm": 50,
      "message": "นะคะ ตั้งวิธีการได้อีกนะคะ "
    },
    {
      "message_id": 1091,
      "agent_id": 14,
      "delay": 3.85,
      "onscreen_delay": 3.695,
      "typing_delay": 0.155,
      "typing_duration": 8.401,
      "wpm": 57,
      "message": "ไม่คู่ 4 3 ก็คู่กับใครคะ 3 คู่ 5 "
    },
    {
      "message_id": 1092,
      "agent_id": 16,
      "delay": 4.4,
      "onscreen_delay": 3.169,
      "typing_delay": 1.231,
      "typing_duration": 8.865,
      "wpm": 39,
      "message": "ก็เป็นคู่แบบ 35 สุดท้าย "
    },
    {
      "message_id": 1093,
      "agent_id": 29,
      "delay": 4.864,
      "onscreen_delay": 4.489,
      "typing_delay": 0.375,
      "typing_duration": 12.031,
      "wpm": 27,
      "message": "3 คู่กับ 6 นะคะ นี่คือ"
    },
    {
      "message_id": 1094,
      "agent_id": 12,
      "delay": 8.03,
      "onscreen_delay": 6.642,
      "typing_delay": 1.388,
      "typing_duration": 6.055,
      "wpm": 59,
      "message": "วิธีของการสร้างคู่อันดับ "
    },
    {
      "message_id": 1095,
      "agent_id": 14,
      "delay": 4.028,
      "onscreen_delay": 3.572,
      "typing_delay": 0.456,
      "typing_duration": 9.608,
      "wpm": 56,
      "message": "มาจาก A สมาชิกตัวหลังมาจากเซต B นะคะ "
    },
    {
      "message_id": 1096,
      "agent_id": 16,
      "delay": 5.606,
      "onscreen_delay": 4.528,
      "typing_delay": 1.078,
      "typing_duration": 5.05,
      "wpm": 65,
      "message": "มีจำนวนสมาชิกทั้งหมด 9 "
    },
    {
      "message_id": 1097,
      "agent_id": 29,
      "delay": 1.605,
      "onscreen_delay": 0.621,
      "typing_delay": 0.984,
      "typing_duration": 9.768,
      "wpm": 32,
      "message": "9 นี่คำนวณจาก 3 คู่ 3 "
    },
    {
      "message_id": 1098,
      "agent_id": 12,
      "delay": 5.768,
      "onscreen_delay": 3.432,
      "typing_delay": 2.336,
      "typing_duration": 9.83,
      "wpm": 29,
      "message": "เพราะว่า A มีสมาชิก"
    },
    {
      "message_id": 1099,
      "agent_id": 14,
      "delay": 5.828,
      "onscreen_delay": 5.526,
      "typing_delay": 0.302,
      "typing_duration": 9.524,
      "wpm": 36,
      "message": "อยู่ 3 ตัวนะคะ A คลอส B "
    },
    {
      "message_id": 1100,
      "agent_id": 16,
      "delay": 5.522,
      "onscreen_delay": 3.751,
      "typing_delay": 1.771,
      "typing_duration": 4.541,
      "wpm": 30,
      "message": "เป็นผลคูณ "
    },
    {
      "message_id": 1101,
      "agent_id": 29,
      "delay": 1.522,
      "onscreen_delay": 0.376,
      "typing_delay": 1.146,
      "typing_duration": 11.053,
      "wpm": 50,
      "message": "A Cross B จะมีสมาชิกอยู่ทั้งหมด 5 ตัว "
    },
    {
      "message_id": 1102,
      "agent_id": 12,
      "delay": 7.051,
      "onscreen_delay": 4.691,
      "typing_delay": 2.36,
      "typing_duration": 10.117,
      "wpm": 28,
      "message": "A cross B นี่จะเป็น"
    },
    {
      "message_id": 1103,
      "agent_id": 14,
      "delay": 6.116,
      "onscreen_delay": 5.607,
      "typing_delay": 0.509,
      "typing_duration": 12.37,
      "wpm": 64,
      "message": "คู่อันดับที่สมาชิกตัวหน้ามาจาก A สมาชิกตัวหลังมาจาก B "
    },
    {
      "message_id": 1104,
      "agent_id": 16,
      "delay": 8.367,
      "onscreen_delay": 5.522,
      "typing_delay": 2.845,
      "typing_duration": 6.598,
      "wpm": 61,
      "message": "a มาก่อน เลยเรียกว่าตัวหน้า "
    },
    {
      "message_id": 1105,
      "agent_id": 29,
      "delay": 4.366,
      "onscreen_delay": 3.66,
      "typing_delay": 0.706,
      "typing_duration": 9.72,
      "wpm": 43,
      "message": "B มาทีหลังเลยเรียกว่าตัวหลัง "
    },
    {
      "message_id": 1106,
      "agent_id": 12,
      "delay": 5.719,
      "onscreen_delay": 3.649,
      "typing_delay": 2.07,
      "typing_duration": 11.294,
      "wpm": 21,
      "message": "เป็นแบบนี้นะคะ B "
    },
    {
      "message_id": 1107,
      "agent_id": 14,
      "delay": 7.29,
      "onscreen_delay": 6.139,
      "typing_delay": 1.151,
      "typing_duration": 5.218,
      "wpm": 49,
      "message": "คลอส A แบบนี้นะคะ "
    },
    {
      "message_id": 1108,
      "agent_id": 16,
      "delay": 3.277,
      "onscreen_delay": 2.04,
      "typing_delay": 1.237,
      "typing_duration": 6.943,
      "wpm": 48,
      "message": "คือหลาย ๆ สกิล A เคยมา "
    },
    {
      "message_id": 1109,
      "agent_id": 29,
      "delay": 2.941,
      "onscreen_delay": 2.473,
      "typing_delay": 0.468,
      "typing_duration": 9.034,
      "wpm": 42,
      "message": "A มาก่อน ตอนนี้ไม่ใช่แล้ว "
    },
    {
      "message_id": 1110,
      "agent_id": 12,
      "delay": 5.033,
      "onscreen_delay": 4.047,
      "typing_delay": 0.986,
      "typing_duration": 6.798,
      "wpm": 64,
      "message": "B มาก่อน เราอ่านว่า B cross A "
    },
    {
      "message_id": 1111,
      "agent_id": 14,
      "delay": 2.797,
      "onscreen_delay": 1.511,
      "typing_delay": 1.286,
      "typing_duration": 8.911,
      "wpm": 29,
      "message": "B คลอส A B มาก่อน "
    },
    {
      "message_id": 1112,
      "agent_id": 16,
      "delay": 4.91,
      "onscreen_delay": 3.046,
      "typing_delay": 1.864,
      "typing_duration": 5.175,
      "wpm": 55,
      "message": "B เป็นสมาชิกตัวหน้า "
    },
    {
      "message_id": 1113,
      "agent_id": 29,
      "delay": 1.174,
      "onscreen_delay": 0.136,
      "typing_delay": 1.038,
      "typing_duration": 9.173,
      "wpm": 46,
      "message": "ค่อยมี A A เป็นสมาชิกตัวหลัง"
    },
    {
      "message_id": 1114,
      "agent_id": 12,
      "delay": 5.171,
      "onscreen_delay": 4.489,
      "typing_delay": 0.682,
      "typing_duration": 6.044,
      "wpm": 42,
      "message": "ของผลคูณอาซิเชียน"
    },
    {
      "message_id": 1115,
      "agent_id": 14,
      "delay": 2.043,
      "onscreen_delay": 1.932,
      "typing_delay": 0.111,
      "typing_duration": 9.76,
      "wpm": 54,
      "message": "ก็จะเปลี่ยนไปนะคะ ในที่นี่ A คลอส B "
    },
    {
      "message_id": 1116,
      "agent_id": 16,
      "delay": 5.758,
      "onscreen_delay": 3.391,
      "typing_delay": 2.367,
      "typing_duration": 9.14,
      "wpm": 33,
      "message": "ไหนจะเท่ากับ B คอร์ส "
    },
    {
      "message_id": 1117,
      "agent_id": 29,
      "delay": 5.139,
      "onscreen_delay": 4.872,
      "typing_delay": 0.267,
      "typing_duration": 14.778,
      "wpm": 44,
      "message": "หรือไม่ก็ได้ ขึ้นอยู่กับเซต A กับ B เท่ากัน"
    },
    {
      "message_id": 1118,
      "agent_id": 12,
      "delay": 10.777,
      "onscreen_delay": 9.684,
      "typing_delay": 1.093,
      "typing_duration": 4.21,
      "wpm": 39,
      "message": "หรือไม่นะคะ "
    },
    {
      "message_id": 1119,
      "agent_id": 14,
      "delay": 6.777,
      "onscreen_delay": 4.033,
      "typing_delay": 2.744,
      "typing_duration": 14.801,
      "wpm": 31,
      "message": "ตอนนี้เรารู้จักผลคูณคาร์ทีเซียน"
    },
    {
      "message_id": 1120,
      "agent_id": 16,
      "delay": 10.799,
      "onscreen_delay": 10.135,
      "typing_delay": 0.664,
      "typing_duration": 10.093,
      "wpm": 49,
      "message": "แล้วนะคะ เรามาดูนิยามความสัมพันธ์ "
    },
    {
      "message_id": 1121,
      "agent_id": 29,
      "delay": 6.797,
      "onscreen_delay": 6.297,
      "typing_delay": 0.5,
      "typing_duration": 15,
      "wpm": 24,
      "message": "ภาษาอังกฤษเขาใช้คำว่า Re"
    },
    {
      "message_id": 1122,
      "agent_id": 12,
      "delay": 10.999,
      "onscreen_delay": 9.199,
      "typing_delay": 1.8,
      "typing_duration": 7.564,
      "wpm": 46,
      "message": "หมายถึงเซ็ตของคู่อันดับ "
    },
    {
      "message_id": 1123,
      "agent_id": 14,
      "delay": 6.997,
      "onscreen_delay": 6.719,
      "typing_delay": 0.278,
      "typing_duration": 9.765,
      "wpm": 57,
      "message": "ของผลคูณคาร์ทีเซียน (ล่าม) อาจารย์ค่ะ "
    },
    {
      "message_id": 1124,
      "agent_id": 16,
      "delay": 5.762,
      "onscreen_delay": 4.652,
      "typing_delay": 1.11,
      "typing_duration": 8.336,
      "wpm": 59,
      "message": "ขอโทษทีค่ะ คือตอนนี้เด็กหูกำลังงง"
    },
    {
      "message_id": 1125,
      "agent_id": 29,
      "delay": 4.335,
      "onscreen_delay": 2.303,
      "typing_delay": 2.032,
      "typing_duration": 15.001,
      "wpm": 56,
      "message": "เดี๋ยวสักครู่นะคะ เดี๋ยวขอทางล่ามอธิบายเด็กหูสักครู่นะคะ "
    },
    {
      "message_id": 1126,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1127,
      "agent_id": 14,
      "delay": 11.003,
      "onscreen_delay": 10.048,
      "typing_delay": 0.955,
      "typing_duration": 6.356,
      "wpm": 66,
      "message": "(อาจารย์) ขอบคุณเหมือนกันค่ะ "
    },
    {
      "message_id": 1128,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1129,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 8.495,
      "typing_delay": 2.504,
      "typing_duration": 12.522,
      "wpm": 52,
      "message": "ขอสไลด์เมื่อกี้นิดหนึ่งได้ไหมคะ สไล์ข้างต้น"
    },
    {
      "message_id": 1130,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1131,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.208,
      "typing_delay": 4.792,
      "typing_duration": 4.792,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1132,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 2.635,
      "typing_delay": 4.364,
      "typing_duration": 7.457,
      "wpm": 30,
      "message": "เครื่องช้าหน่อย "
    },
    {
      "message_id": 1133,
      "agent_id": 29,
      "delay": 4.088,
      "onscreen_delay": 0,
      "typing_delay": 4.088,
      "typing_duration": 15,
      "wpm": 42,
      "message": "ได้ค่ะอาจารย์ (อาจารย์)  ช่วยกันค่ะช่วยกัน"
    },
    {
      "message_id": 1134,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1135,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1136,
      "agent_id": 16,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1137,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1138,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1139,
      "agent_id": 14,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1140,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1141,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 8.86,
      "typing_delay": 2.138,
      "typing_duration": 6.277,
      "wpm": 26,
      "message": "เอามาจากไหน "
    },
    {
      "message_id": 1142,
      "agent_id": 12,
      "delay": 6.992,
      "onscreen_delay": 1.873,
      "typing_delay": 5.119,
      "typing_duration": 13.709,
      "wpm": 14,
      "message": "เอามาจากปีกกา "
    },
    {
      "message_id": 1143,
      "agent_id": 14,
      "delay": 9.708,
      "onscreen_delay": 8.124,
      "typing_delay": 1.584,
      "typing_duration": 10.537,
      "wpm": 43,
      "message": "A เท่ากับเท่าไร 1, 2, 3 ใช่ไหม "
    },
    {
      "message_id": 1144,
      "agent_id": 16,
      "delay": 6.536,
      "onscreen_delay": 5.404,
      "typing_delay": 1.132,
      "typing_duration": 6.091,
      "wpm": 71,
      "message": "แล้วอันเล็กน่ารัก ก็เลยเป็น 1 "
    },
    {
      "message_id": 1145,
      "agent_id": 29,
      "delay": 2.534,
      "onscreen_delay": 2.019,
      "typing_delay": 0.515,
      "typing_duration": 9.377,
      "wpm": 34,
      "message": "ความหมาย คือ A ต้อง B "
    },
    {
      "message_id": 1146,
      "agent_id": 12,
      "delay": 5.375,
      "onscreen_delay": 4.228,
      "typing_delay": 1.147,
      "typing_duration": 6.199,
      "wpm": 29,
      "message": "รู้หรือเปล่า "
    },
    {
      "message_id": 1147,
      "agent_id": 14,
      "delay": 2.198,
      "onscreen_delay": 1.243,
      "typing_delay": 0.955,
      "typing_duration": 7.739,
      "wpm": 27,
      "message": "ถาม A เท่าไร 1 "
    },
    {
      "message_id": 1148,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1149,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.243,
      "typing_delay": 0.759,
      "typing_duration": 8.432,
      "wpm": 60,
      "message": "4 เหมือนกัน ในวงเล็บใหญ่เห็นนี้ไหม "
    },
    {
      "message_id": 1150,
      "agent_id": 12,
      "delay": 7.001,
      "onscreen_delay": 2.739,
      "typing_delay": 4.262,
      "typing_duration": 6.55,
      "wpm": 25,
      "message": "ถัดมาเท่าไร "
    },
    {
      "message_id": 1151,
      "agent_id": 14,
      "delay": 2.999,
      "onscreen_delay": 2.177,
      "typing_delay": 0.822,
      "typing_duration": 5.307,
      "wpm": 23,
      "message": "เท่าไร 1 "
    },
    {
      "message_id": 1152,
      "agent_id": 16,
      "delay": 1.306,
      "onscreen_delay": 0.941,
      "typing_delay": 0.365,
      "typing_duration": 6.913,
      "wpm": 20,
      "message": "a 1 b = 5 "
    },
    {
      "message_id": 1153,
      "agent_id": 29,
      "delay": 2.911,
      "onscreen_delay": 2.276,
      "typing_delay": 0.635,
      "typing_duration": 5.029,
      "wpm": 75,
      "message": "ความหมายเหมือนกันไม่ได้นะ "
    },
    {
      "message_id": 1154,
      "agent_id": 12,
      "delay": 2.58,
      "onscreen_delay": 0,
      "typing_delay": 2.58,
      "typing_duration": 6.064,
      "wpm": 17,
      "message": "ทราบไหม "
    },
    {
      "message_id": 1155,
      "agent_id": 14,
      "delay": 2.063,
      "onscreen_delay": 1.111,
      "typing_delay": 0.952,
      "typing_duration": 6.085,
      "wpm": 35,
      "message": "วงเล็บ 1 กับ 6 "
    },
    {
      "message_id": 1156,
      "agent_id": 16,
      "delay": 2.071,
      "onscreen_delay": 0.597,
      "typing_delay": 1.474,
      "typing_duration": 6.835,
      "wpm": 55,
      "message": "เข้าใจไหม เข้าใจหรือเปล่า "
    },
    {
      "message_id": 1157,
      "agent_id": 29,
      "delay": 2.834,
      "onscreen_delay": 1.754,
      "typing_delay": 1.08,
      "typing_duration": 10.363,
      "wpm": 22,
      "message": "เหมือนกับโยงน่ะ "
    },
    {
      "message_id": 1158,
      "agent_id": 12,
      "delay": 6.362,
      "onscreen_delay": 4.887,
      "typing_delay": 1.475,
      "typing_duration": 8.042,
      "wpm": 34,
      "message": "ดูใน A B ที่ครูโยง"
    },
    {
      "message_id": 1159,
      "agent_id": 14,
      "delay": 4.04,
      "onscreen_delay": 2.131,
      "typing_delay": 1.909,
      "typing_duration": 6.17,
      "wpm": 36,
      "message": "เข้าใจหรือเปล่า "
    },
    {
      "message_id": 1160,
      "agent_id": 16,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1161,
      "agent_id": 29,
      "delay": 15.012,
      "onscreen_delay": 0,
      "typing_delay": 15.012,
      "typing_duration": 15.012,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1162,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1163,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.208,
      "typing_delay": 0.791,
      "typing_duration": 11.326,
      "wpm": 33,
      "message": "เข้าใจไหม เข้าใจหรือเปล่า "
    },
    {
      "message_id": 1164,
      "agent_id": 16,
      "delay": 7.324,
      "onscreen_delay": 4.205,
      "typing_delay": 3.119,
      "typing_duration": 6.191,
      "wpm": 46,
      "message": "เข้าใจไหม เข้าใจหรอ "
    },
    {
      "message_id": 1165,
      "agent_id": 29,
      "delay": 3.323,
      "onscreen_delay": 2.233,
      "typing_delay": 1.09,
      "typing_duration": 6.926,
      "wpm": 15,
      "message": "สรุป..."
    },
    {
      "message_id": 1166,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1167,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.164,
      "typing_delay": 4.836,
      "typing_duration": 8.331,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1168,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 4.902,
      "typing_delay": 2.097,
      "typing_duration": 4.453,
      "wpm": 24,
      "message": "ดูตาฟ้า "
    },
    {
      "message_id": 1169,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1170,
      "agent_id": 12,
      "delay": 11,
      "onscreen_delay": 5.651,
      "typing_delay": 5.349,
      "typing_duration": 9.214,
      "wpm": 36,
      "message": "ใช่ ๆ เหมือนกับกลุ่ม A "
    },
    {
      "message_id": 1171,
      "agent_id": 14,
      "delay": 6.997,
      "onscreen_delay": 6.755,
      "typing_delay": 0.242,
      "typing_duration": 9.618,
      "wpm": 33,
      "message": "กลุ่ม A กลุ่ม A ก็แยก "
    },
    {
      "message_id": 1172,
      "agent_id": 16,
      "delay": 5.616,
      "onscreen_delay": 3.056,
      "typing_delay": 2.56,
      "typing_duration": 6.615,
      "wpm": 29,
      "message": "กลุ่ม B ก็แยก "
    },
    {
      "message_id": 1173,
      "agent_id": 29,
      "delay": 2.594,
      "onscreen_delay": 1.362,
      "typing_delay": 1.232,
      "typing_duration": 12.205,
      "wpm": 45,
      "message": "ใช่ไหม ใช่หรือเปล่า แล้วกลุ่ม B B ไหน "
    },
    {
      "message_id": 1174,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1175,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.277,
      "typing_delay": 0.722,
      "typing_duration": 8.583,
      "wpm": 37,
      "message": "4, 5, 6 ใช่ แล้วกลุ่ม"
    },
    {
      "message_id": 1176,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 5.216,
      "typing_delay": 1.782,
      "typing_duration": 5.174,
      "wpm": 49,
      "message": "เหมือนกับอันหนึ่ง "
    },
    {
      "message_id": 1177,
      "agent_id": 29,
      "delay": 2.997,
      "onscreen_delay": 2.162,
      "typing_delay": 0.835,
      "typing_duration": 7.181,
      "wpm": 48,
      "message": "โยงมา 6 เข้าใจหรือเปล่า "
    },
    {
      "message_id": 1178,
      "agent_id": 12,
      "delay": 3.18,
      "onscreen_delay": 1.97,
      "typing_delay": 1.21,
      "typing_duration": 6.787,
      "wpm": 40,
      "message": "มันก็เลยเป็น A x B "
    },
    {
      "message_id": 1179,
      "agent_id": 14,
      "delay": 2.786,
      "onscreen_delay": 1.646,
      "typing_delay": 1.14,
      "typing_duration": 7.1,
      "wpm": 42,
      "message": "เข้าใจไหม มันก็ทำแบบ "
    },
    {
      "message_id": 1180,
      "agent_id": 16,
      "delay": 3.099,
      "onscreen_delay": 1.775,
      "typing_delay": 1.324,
      "typing_duration": 4.874,
      "wpm": 58,
      "message": "a b เข้าใจหรือเปล่า "
    },
    {
      "message_id": 1181,
      "agent_id": 29,
      "delay": 2.843,
      "onscreen_delay": 0,
      "typing_delay": 2.843,
      "typing_duration": 5.167,
      "wpm": 15,
      "message": "งงไหม "
    },
    {
      "message_id": 1182,
      "agent_id": 12,
      "delay": 1.653,
      "onscreen_delay": 0,
      "typing_delay": 1.653,
      "typing_duration": 6.578,
      "wpm": 50,
      "message": "แล้วเมื่อกี้ 1 โยงแล้ว "
    },
    {
      "message_id": 1183,
      "agent_id": 14,
      "delay": 2.575,
      "onscreen_delay": 2.103,
      "typing_delay": 0.472,
      "typing_duration": 6.794,
      "wpm": 20,
      "message": "2 โยงมา 4 "
    },
    {
      "message_id": 1184,
      "agent_id": 16,
      "delay": 2.792,
      "onscreen_delay": 1.463,
      "typing_delay": 1.329,
      "typing_duration": 6.719,
      "wpm": 42,
      "message": "2 โยงมา 5 2 โยงมา 6 "
    },
    {
      "message_id": 1185,
      "agent_id": 29,
      "delay": 2.717,
      "onscreen_delay": 1.847,
      "typing_delay": 0.87,
      "typing_duration": 10.83,
      "wpm": 57,
      "message": "มันก็จะเหมือนบรรทัดล่างน่ะเข้าใจหรือเปล่า "
    },
    {
      "message_id": 1186,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1187,
      "agent_id": 14,
      "delay": 10.983,
      "onscreen_delay": 9.426,
      "typing_delay": 1.557,
      "typing_duration": 7.953,
      "wpm": 17,
      "message": "เข้าใจไหม "
    },
    {
      "message_id": 1188,
      "agent_id": 16,
      "delay": 6.982,
      "onscreen_delay": 5.468,
      "typing_delay": 1.514,
      "typing_duration": 4.341,
      "wpm": 24,
      "message": "น้ำแข็ง "
    },
    {
      "message_id": 1189,
      "agent_id": 29,
      "delay": 10.456,
      "onscreen_delay": 0,
      "typing_delay": 10.456,
      "typing_duration": 10.456,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1190,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1191,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.937,
      "typing_delay": 4.063,
      "typing_duration": 7.92,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1192,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 5.479,
      "typing_delay": 1.519,
      "typing_duration": 4.213,
      "wpm": 50,
      "message": "ตาฟ้าเข้าใจไหม "
    },
    {
      "message_id": 1193,
      "agent_id": 29,
      "delay": 2.993,
      "onscreen_delay": 1.328,
      "typing_delay": 1.665,
      "typing_duration": 8.088,
      "wpm": 63,
      "message": "เข้าใจแล้วใช่ไหม อดิษรเข้าใจไหมถาม"
    },
    {
      "message_id": 1194,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1195,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 5.881,
      "typing_delay": 5.116,
      "typing_duration": 6.048,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1196,
      "agent_id": 16,
      "delay": 6.996,
      "onscreen_delay": 1.909,
      "typing_delay": 5.087,
      "typing_duration": 5.087,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1197,
      "agent_id": 29,
      "delay": 2.992,
      "onscreen_delay": 0.804,
      "typing_delay": 2.188,
      "typing_duration": 7.867,
      "wpm": 29,
      "message": "A 2, 3 กลุ่ม... "
    },
    {
      "message_id": 1198,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1199,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 7.978,
      "typing_delay": 3.021,
      "typing_duration": 6.971,
      "wpm": 15,
      "message": "4, 5, 6 "
    },
    {
      "message_id": 1200,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 6.719,
      "typing_delay": 0.278,
      "typing_duration": 6.133,
      "wpm": 61,
      "message": "ใช่ มันแยกกัน แต่ว่าสมมติ"
    },
    {
      "message_id": 1201,
      "agent_id": 29,
      "delay": 2.991,
      "onscreen_delay": 1.693,
      "typing_delay": 1.298,
      "typing_duration": 10.074,
      "wpm": 45,
      "message": "สมมติในปีกกากลุ่มนี้ตัวอย่าง ๆ "
    },
    {
      "message_id": 1202,
      "agent_id": 12,
      "delay": 11.289,
      "onscreen_delay": 0,
      "typing_delay": 11.289,
      "typing_duration": 12.719,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1203,
      "agent_id": 14,
      "delay": 8.717,
      "onscreen_delay": 8.019,
      "typing_delay": 0.698,
      "typing_duration": 7.306,
      "wpm": 47,
      "message": "ปลามี 1, 2, 3 แล้วมีน่ะ "
    },
    {
      "message_id": 1204,
      "agent_id": 16,
      "delay": 4.715,
      "onscreen_delay": 3.31,
      "typing_delay": 1.405,
      "typing_duration": 5.704,
      "wpm": 58,
      "message": "มันแยกน่ะ มันแยก 4 5 6 "
    },
    {
      "message_id": 1205,
      "agent_id": 29,
      "delay": 1.703,
      "onscreen_delay": 0.96,
      "typing_delay": 0.743,
      "typing_duration": 11.648,
      "wpm": 42,
      "message": "รู้ไหม พอมันแยกออกวงเล็บน่ารักน่ะ "
    },
    {
      "message_id": 1206,
      "agent_id": 12,
      "delay": 7.646,
      "onscreen_delay": 6.204,
      "typing_delay": 1.442,
      "typing_duration": 4.6,
      "wpm": 49,
      "message": "วงเล็บน่ารักน่ะ "
    },
    {
      "message_id": 1207,
      "agent_id": 14,
      "delay": 3.645,
      "onscreen_delay": 2.165,
      "typing_delay": 1.48,
      "typing_duration": 10.071,
      "wpm": 54,
      "message": "A กับ B สำคัญต้อง... เข้าใจหรือเปล่า "
    },
    {
      "message_id": 1208,
      "agent_id": 16,
      "delay": 6.067,
      "onscreen_delay": 2.467,
      "typing_delay": 3.6,
      "typing_duration": 7.781,
      "wpm": 17,
      "message": "เข้าใจไหม "
    },
    {
      "message_id": 1209,
      "agent_id": 29,
      "delay": 3.768,
      "onscreen_delay": 2.629,
      "typing_delay": 1.139,
      "typing_duration": 8.237,
      "wpm": 25,
      "message": "เหมือนคู่กัน ๆ "
    },
    {
      "message_id": 1210,
      "agent_id": 12,
      "delay": 4.233,
      "onscreen_delay": 2.786,
      "typing_delay": 1.447,
      "typing_duration": 7.436,
      "wpm": 28,
      "message": "A B วงเล็บ A B "
    },
    {
      "message_id": 1211,
      "agent_id": 14,
      "delay": 3.435,
      "onscreen_delay": 2.994,
      "typing_delay": 0.441,
      "typing_duration": 5.041,
      "wpm": 74,
      "message": "เข้าใจหรือเปล่า แต่ว่า... "
    },
    {
      "message_id": 1212,
      "agent_id": 16,
      "delay": 2.581,
      "onscreen_delay": 0,
      "typing_delay": 2.581,
      "typing_duration": 4.471,
      "wpm": 37,
      "message": "ใช่ แยก ใช่ "
    },
    {
      "message_id": 1213,
      "agent_id": 29,
      "delay": 2.885,
      "onscreen_delay": 0,
      "typing_delay": 2.885,
      "typing_duration": 7.966,
      "wpm": 9,
      "message": "ใช่ ๆ "
    },
    {
      "message_id": 1214,
      "agent_id": 12,
      "delay": 3.965,
      "onscreen_delay": 2.886,
      "typing_delay": 1.079,
      "typing_duration": 6.687,
      "wpm": 29,
      "message": "ดู PowerPoint "
    },
    {
      "message_id": 1215,
      "agent_id": 14,
      "delay": 2.684,
      "onscreen_delay": 1.616,
      "typing_delay": 1.068,
      "typing_duration": 12.489,
      "wpm": 16,
      "message": "บรรทัดล่างเลย "
    },
    {
      "message_id": 1216,
      "agent_id": 16,
      "delay": 8.488,
      "onscreen_delay": 4.793,
      "typing_delay": 3.695,
      "typing_duration": 12.708,
      "wpm": 33,
      "message": "บรรทัดล่างที่เป็นวงเล็บปีกกา "
    },
    {
      "message_id": 1217,
      "agent_id": 29,
      "delay": 8.707,
      "onscreen_delay": 7.572,
      "typing_delay": 1.135,
      "typing_duration": 10.878,
      "wpm": 54,
      "message": "เห็นหรือเปล่าที่มันมีวงเล็บมากน่ะ ที่มี "
    },
    {
      "message_id": 1218,
      "agent_id": 12,
      "delay": 6.873,
      "onscreen_delay": 3.502,
      "typing_delay": 3.371,
      "typing_duration": 6.407,
      "wpm": 12,
      "message": "9 น่ะ "
    },
    {
      "message_id": 1219,
      "agent_id": 14,
      "delay": 2.871,
      "onscreen_delay": 1.569,
      "typing_delay": 1.302,
      "typing_duration": 10.048,
      "wpm": 30,
      "message": "6, 7, 8 , 9 ดู มีไหม "
    },
    {
      "message_id": 1220,
      "agent_id": 16,
      "delay": 6.047,
      "onscreen_delay": 5.257,
      "typing_delay": 0.79,
      "typing_duration": 6.061,
      "wpm": 67,
      "message": "เออ ตาจับแบบไหน รู้สึกหน่อย "
    },
    {
      "message_id": 1221,
      "agent_id": 29,
      "delay": 5.517,
      "onscreen_delay": 0,
      "typing_delay": 5.517,
      "typing_duration": 5.517,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1222,
      "agent_id": 12,
      "delay": 5.713,
      "onscreen_delay": 0,
      "typing_delay": 5.713,
      "typing_duration": 7.892,
      "wpm": 2,
      "message": "A "
    },
    {
      "message_id": 1223,
      "agent_id": 14,
      "delay": 3.89,
      "onscreen_delay": 2.991,
      "typing_delay": 0.899,
      "typing_duration": 9.778,
      "wpm": 25,
      "message": "A เหมือนเฉพาะเลย "
    },
    {
      "message_id": 1224,
      "agent_id": 16,
      "delay": 5.775,
      "onscreen_delay": 4.465,
      "typing_delay": 1.31,
      "typing_duration": 7.045,
      "wpm": 51,
      "message": "a 1 2 3 ใช่ไหม บังคับน่ะ "
    },
    {
      "message_id": 1225,
      "agent_id": 29,
      "delay": 3.043,
      "onscreen_delay": 0.794,
      "typing_delay": 2.249,
      "typing_duration": 5.573,
      "wpm": 16,
      "message": "ใช่ไหม "
    },
    {
      "message_id": 1226,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1227,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 9.387,
      "typing_delay": 1.612,
      "typing_duration": 4.938,
      "wpm": 49,
      "message": "น้ำแข็งเข้าใจไหม "
    },
    {
      "message_id": 1228,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 6.169,
      "typing_delay": 0.828,
      "typing_duration": 7.159,
      "wpm": 82,
      "message": "น้ำแข็งเข้าใจไหม น้ำแข็งเข้าใจหรือเปล่า"
    },
    {
      "message_id": 1229,
      "agent_id": 29,
      "delay": 3.157,
      "onscreen_delay": 1.55,
      "typing_delay": 1.607,
      "typing_duration": 8.67,
      "wpm": 52,
      "message": "เข้าใจหรือเปล่า เข้าใจนิดหนึ่ง"
    },
    {
      "message_id": 1230,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1231,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 7.584,
      "typing_delay": 3.415,
      "typing_duration": 9.727,
      "wpm": 59,
      "message": "(อาจารย์) ล่ามเหนื่อยกว่าเราอีก (ล่าม) "
    },
    {
      "message_id": 1232,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 5.881,
      "typing_delay": 1.117,
      "typing_duration": 6.863,
      "wpm": 31,
      "message": "1 2 3 B= 4 5 6 "
    },
    {
      "message_id": 1233,
      "agent_id": 29,
      "delay": 3.564,
      "onscreen_delay": 0,
      "typing_delay": 3.564,
      "typing_duration": 7.494,
      "wpm": 24,
      "message": "แล้วแบบกลุ่ม"
    },
    {
      "message_id": 1234,
      "agent_id": 12,
      "delay": 3.493,
      "onscreen_delay": 1.917,
      "typing_delay": 1.576,
      "typing_duration": 5.41,
      "wpm": 58,
      "message": "ตอนนี้ A น่ะมันเท่าไร "
    },
    {
      "message_id": 1235,
      "agent_id": 14,
      "delay": 1.409,
      "onscreen_delay": 0.941,
      "typing_delay": 0.468,
      "typing_duration": 10.406,
      "wpm": 22,
      "message": "อยู่กับ B A น่ะ "
    },
    {
      "message_id": 1236,
      "agent_id": 16,
      "delay": 6.405,
      "onscreen_delay": 4.301,
      "typing_delay": 2.104,
      "typing_duration": 15.001,
      "wpm": 12,
      "message": "คูณ B รู้ไหม "
    },
    {
      "message_id": 1237,
      "agent_id": 29,
      "delay": 10.992,
      "onscreen_delay": 9.708,
      "typing_delay": 1.284,
      "typing_duration": 9.243,
      "wpm": 41,
      "message": "เข้าใจไหม เหมือนกับวงเล็บ"
    },
    {
      "message_id": 1238,
      "agent_id": 12,
      "delay": 6.991,
      "onscreen_delay": 5.879,
      "typing_delay": 1.112,
      "typing_duration": 5.345,
      "wpm": 62,
      "message": "อันนี้เหมือนต่างแบบไหน "
    },
    {
      "message_id": 1239,
      "agent_id": 14,
      "delay": 2.99,
      "onscreen_delay": 0.3,
      "typing_delay": 2.69,
      "typing_duration": 8.432,
      "wpm": 23,
      "message": "มันต่างใช่ไหม "
    },
    {
      "message_id": 1240,
      "agent_id": 16,
      "delay": 4.431,
      "onscreen_delay": 2.336,
      "typing_delay": 2.095,
      "typing_duration": 7.398,
      "wpm": 85,
      "message": "ใช่ มันต่าง แต่อธิบาย มันต่างแบบไหน อธิบาย "
    },
    {
      "message_id": 1241,
      "agent_id": 29,
      "delay": 3.395,
      "onscreen_delay": 0.279,
      "typing_delay": 3.116,
      "typing_duration": 13.281,
      "wpm": 27,
      "message": "อดิษรเข้าใจไหม เข้าใจไหม "
    },
    {
      "message_id": 1242,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1243,
      "agent_id": 14,
      "delay": 10.997,
      "onscreen_delay": 9.492,
      "typing_delay": 1.505,
      "typing_duration": 6.85,
      "wpm": 59,
      "message": "อันนี้เหมือนแบบกลุ่มใหญ่น่ะ "
    },
    {
      "message_id": 1244,
      "agent_id": 16,
      "delay": 6.995,
      "onscreen_delay": 5.739,
      "typing_delay": 1.256,
      "typing_duration": 6.049,
      "wpm": 107,
      "message": "แต่ว่าอันนี้น่ารัก กลุ่มเล็ก ๆ รู้หรือเปล่า"
    },
    {
      "message_id": 1245,
      "agent_id": 29,
      "delay": 2.994,
      "onscreen_delay": 0.823,
      "typing_delay": 2.171,
      "typing_duration": 12.876,
      "wpm": 19,
      "message": "แล้วตอนนี้ A น่ะ "
    },
    {
      "message_id": 1246,
      "agent_id": 12,
      "delay": 8.875,
      "onscreen_delay": 6.371,
      "typing_delay": 2.504,
      "typing_duration": 4.654,
      "wpm": 29,
      "message": "มี มีอะไร "
    },
    {
      "message_id": 1247,
      "agent_id": 14,
      "delay": 4.874,
      "onscreen_delay": 3.74,
      "typing_delay": 1.134,
      "typing_duration": 10.567,
      "wpm": 9,
      "message": "ใช่ไหม "
    },
    {
      "message_id": 1248,
      "agent_id": 16,
      "delay": 6.566,
      "onscreen_delay": 4.687,
      "typing_delay": 1.879,
      "typing_duration": 5.269,
      "wpm": 43,
      "message": "B อยู่ไหน 4 5 6 "
    },
    {
      "message_id": 1249,
      "agent_id": 29,
      "delay": 2.565,
      "onscreen_delay": 1.667,
      "typing_delay": 0.898,
      "typing_duration": 13.482,
      "wpm": 27,
      "message": "6 ใช่หรือเปล่าสรุปตอนนี้"
    },
    {
      "message_id": 1250,
      "agent_id": 12,
      "delay": 9.481,
      "onscreen_delay": 5.979,
      "typing_delay": 3.502,
      "typing_duration": 7.004,
      "wpm": 30,
      "message": "วงเล็บต้องมี A "
    },
    {
      "message_id": 1251,
      "agent_id": 14,
      "delay": 5.479,
      "onscreen_delay": 5.243,
      "typing_delay": 0.236,
      "typing_duration": 6.388,
      "wpm": 35,
      "message": "แล้วก็ B เข้าใจ "
    },
    {
      "message_id": 1252,
      "agent_id": 16,
      "delay": 10.209,
      "onscreen_delay": 0,
      "typing_delay": 10.209,
      "typing_duration": 10.209,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1253,
      "agent_id": 29,
      "delay": 6.205,
      "onscreen_delay": 5.839,
      "typing_delay": 0.366,
      "typing_duration": 7.382,
      "wpm": 45,
      "message": "เหมือน A B น่ะ คู่ตลอด"
    },
    {
      "message_id": 1254,
      "agent_id": 12,
      "delay": 3.38,
      "onscreen_delay": 0.293,
      "typing_delay": 3.087,
      "typing_duration": 6.439,
      "wpm": 21,
      "message": "วงเล็บ AB "
    },
    {
      "message_id": 1255,
      "agent_id": 14,
      "delay": 2.438,
      "onscreen_delay": 0.49,
      "typing_delay": 1.948,
      "typing_duration": 9.334,
      "wpm": 22,
      "message": "(AB) เข้าใจไหม "
    },
    {
      "message_id": 1256,
      "agent_id": 16,
      "delay": 5.332,
      "onscreen_delay": 4.714,
      "typing_delay": 0.618,
      "typing_duration": 6.849,
      "wpm": 24,
      "message": "เออ A B A B "
    },
    {
      "message_id": 1257,
      "agent_id": 29,
      "delay": 2.848,
      "onscreen_delay": 2.036,
      "typing_delay": 0.812,
      "typing_duration": 12.367,
      "wpm": 33,
      "message": "เข้าใจไหม อดิษร สอนเพื่อนนะ "
    },
    {
      "message_id": 1258,
      "agent_id": 12,
      "delay": 8.366,
      "onscreen_delay": 4.667,
      "typing_delay": 3.699,
      "typing_duration": 8.286,
      "wpm": 34,
      "message": "ภาษามือชัดหรือเปล่า"
    },
    {
      "message_id": 1259,
      "agent_id": 14,
      "delay": 4.365,
      "onscreen_delay": 2.975,
      "typing_delay": 1.39,
      "typing_duration": 8.466,
      "wpm": 44,
      "message": "ใช่ แล้วเหมือนประกบกันน่ะ "
    },
    {
      "message_id": 1260,
      "agent_id": 16,
      "delay": 4.465,
      "onscreen_delay": 0.691,
      "typing_delay": 3.774,
      "typing_duration": 6.175,
      "wpm": 29,
      "message": "A เท่าไหร่ 1 "
    },
    {
      "message_id": 1261,
      "agent_id": 29,
      "delay": 2.173,
      "onscreen_delay": 1.404,
      "typing_delay": 0.769,
      "typing_duration": 13.807,
      "wpm": 18,
      "message": "4 ใช่ไหม 1 5, 1 6 "
    },
    {
      "message_id": 1262,
      "agent_id": 12,
      "delay": 9.805,
      "onscreen_delay": 8.803,
      "typing_delay": 1.002,
      "typing_duration": 5.457,
      "wpm": 47,
      "message": "เข้าใจไหม น้ำแข็ง"
    },
    {
      "message_id": 1263,
      "agent_id": 14,
      "delay": 5.803,
      "onscreen_delay": 5.635,
      "typing_delay": 0.168,
      "typing_duration": 7.811,
      "wpm": 17,
      "message": "เข้าใจไหม "
    },
    {
      "message_id": 1264,
      "agent_id": 16,
      "delay": 3.81,
      "onscreen_delay": 2.956,
      "typing_delay": 0.854,
      "typing_duration": 6.307,
      "wpm": 95,
      "message": "ไม่เป็นไร บอกได้ อธิบายได้ อยากให้เข้าใจ "
    },
    {
      "message_id": 1265,
      "agent_id": 29,
      "delay": 2.306,
      "onscreen_delay": 1.462,
      "typing_delay": 0.844,
      "typing_duration": 6.902,
      "wpm": 41,
      "message": "อยากให้เข้าใจ ตาฟ้า "
    },
    {
      "message_id": 1266,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1267,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 7.553,
      "typing_delay": 3.447,
      "typing_duration": 6.931,
      "wpm": 32,
      "message": "เข้าใจหรือเปล่า "
    },
    {
      "message_id": 1268,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 2.54,
      "typing_delay": 4.459,
      "typing_duration": 4.459,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1269,
      "agent_id": 29,
      "delay": 2.997,
      "onscreen_delay": 0.938,
      "typing_delay": 2.059,
      "typing_duration": 5.34,
      "wpm": 22,
      "message": "นำแข็ง ๆ "
    },
    {
      "message_id": 1270,
      "agent_id": 12,
      "delay": 5.18,
      "onscreen_delay": 0,
      "typing_delay": 5.18,
      "typing_duration": 7.386,
      "wpm": 14,
      "message": "น้ำแข็ง "
    },
    {
      "message_id": 1271,
      "agent_id": 14,
      "delay": 4.347,
      "onscreen_delay": 0,
      "typing_delay": 4.347,
      "typing_duration": 6.582,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1272,
      "agent_id": 16,
      "delay": 2.576,
      "onscreen_delay": 1.392,
      "typing_delay": 1.184,
      "typing_duration": 4.689,
      "wpm": 19,
      "message": "ถามได้"
    },
    {
      "message_id": 1273,
      "agent_id": 29,
      "delay": 4.265,
      "onscreen_delay": 0,
      "typing_delay": 4.265,
      "typing_duration": 6.883,
      "wpm": 17,
      "message": "ไม่ใช่ ๆ "
    },
    {
      "message_id": 1274,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1275,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 8.891,
      "typing_delay": 2.109,
      "typing_duration": 9.827,
      "wpm": 18,
      "message": "อธิบาย สมมติ "
    },
    {
      "message_id": 1276,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 5.648,
      "typing_delay": 1.351,
      "typing_duration": 4.97,
      "wpm": 69,
      "message": "A มันจำกัดมามีแค่ 3 เอง"
    },
    {
      "message_id": 1277,
      "agent_id": 29,
      "delay": 3.505,
      "onscreen_delay": 0,
      "typing_delay": 3.505,
      "typing_duration": 13.688,
      "wpm": 14,
      "message": "A น่ะ 1, 2, 3 "
    },
    {
      "message_id": 1278,
      "agent_id": 12,
      "delay": 9.686,
      "onscreen_delay": 7.23,
      "typing_delay": 2.456,
      "typing_duration": 8.816,
      "wpm": 20,
      "message": "1 2 3 B B นะ "
    },
    {
      "message_id": 1279,
      "agent_id": 14,
      "delay": 5.685,
      "onscreen_delay": 0.38,
      "typing_delay": 5.305,
      "typing_duration": 9.768,
      "wpm": 21,
      "message": "แต่ว่า 4, 5, 6 "
    },
    {
      "message_id": 1280,
      "agent_id": 16,
      "delay": 5.766,
      "onscreen_delay": 1.863,
      "typing_delay": 3.903,
      "typing_duration": 6.505,
      "wpm": 21,
      "message": "เข้าใจไหม "
    },
    {
      "message_id": 1281,
      "agent_id": 29,
      "delay": 2.504,
      "onscreen_delay": 1.895,
      "typing_delay": 0.609,
      "typing_duration": 10.441,
      "wpm": 46,
      "message": "เข้าใจหรือเปล่า สรุปก็คือ A ต้อง "
    },
    {
      "message_id": 1282,
      "agent_id": 12,
      "delay": 6.44,
      "onscreen_delay": 4.346,
      "typing_delay": 2.094,
      "typing_duration": 9.128,
      "wpm": 12,
      "message": "1 A B 1  "
    },
    {
      "message_id": 1283,
      "agent_id": 14,
      "delay": 5.126,
      "onscreen_delay": 4.436,
      "typing_delay": 0.69,
      "typing_duration": 13.761,
      "wpm": 20,
      "message": "B เมื่อกี้เท่าไร 4 "
    },
    {
      "message_id": 1284,
      "agent_id": 16,
      "delay": 9.76,
      "onscreen_delay": 2.791,
      "typing_delay": 6.969,
      "typing_duration": 9.267,
      "wpm": 21,
      "message": "มันต้องคู่กัน "
    },
    {
      "message_id": 1285,
      "agent_id": 29,
      "delay": 5.759,
      "onscreen_delay": 4.57,
      "typing_delay": 1.189,
      "typing_duration": 5.298,
      "wpm": 37,
      "message": "งงไหม 1 กับ 4 "
    },
    {
      "message_id": 1286,
      "agent_id": 12,
      "delay": 2.197,
      "onscreen_delay": 0,
      "typing_delay": 2.197,
      "typing_duration": 8.628,
      "wpm": 16,
      "message": "1 B น่ะ 4 "
    },
    {
      "message_id": 1287,
      "agent_id": 14,
      "delay": 4.622,
      "onscreen_delay": 1.956,
      "typing_delay": 2.666,
      "typing_duration": 12.324,
      "wpm": 28,
      "message": "แล้วถัดมาวงเล็บ A กับ B "
    },
    {
      "message_id": 1288,
      "agent_id": 16,
      "delay": 8.319,
      "onscreen_delay": 6.946,
      "typing_delay": 1.373,
      "typing_duration": 6.152,
      "wpm": 61,
      "message": "ถัดมาวงเล็บ 1 กับ 5 งงไหม "
    },
    {
      "message_id": 1289,
      "agent_id": 29,
      "delay": 4.317,
      "onscreen_delay": 1.094,
      "typing_delay": 3.223,
      "typing_duration": 13.368,
      "wpm": 13,
      "message": "มันเหมือนกับ"
    },
    {
      "message_id": 1290,
      "agent_id": 12,
      "delay": 9.367,
      "onscreen_delay": 7.841,
      "typing_delay": 1.526,
      "typing_duration": 7.273,
      "wpm": 41,
      "message": "กลุ่ม A น่ะ 1 2 3 ไง "
    },
    {
      "message_id": 1291,
      "agent_id": 14,
      "delay": 5.366,
      "onscreen_delay": 2.406,
      "typing_delay": 2.96,
      "typing_duration": 7.939,
      "wpm": 21,
      "message": "งงหรือเปล่า "
    },
    {
      "message_id": 1292,
      "agent_id": 16,
      "delay": 4.185,
      "onscreen_delay": 0,
      "typing_delay": 4.185,
      "typing_duration": 4.185,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1293,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1294,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1295,
      "agent_id": 14,
      "delay": 11.001,
      "onscreen_delay": 8.539,
      "typing_delay": 2.462,
      "typing_duration": 11.734,
      "wpm": 31,
      "message": "อัน A เท่ากับ... ใช่ ถูก"
    },
    {
      "message_id": 1296,
      "agent_id": 16,
      "delay": 7.732,
      "onscreen_delay": 6.277,
      "typing_delay": 1.455,
      "typing_duration": 4.408,
      "wpm": 48,
      "message": "ตาฟ้า อันบนถูก "
    },
    {
      "message_id": 1297,
      "agent_id": 29,
      "delay": 3.726,
      "onscreen_delay": 2.065,
      "typing_delay": 1.661,
      "typing_duration": 10.547,
      "wpm": 43,
      "message": "สักครู่นะคะ เดี๋ยวหนูขอให้เด็ก"
    },
    {
      "message_id": 1298,
      "agent_id": 12,
      "delay": 6.545,
      "onscreen_delay": 5.762,
      "typing_delay": 0.783,
      "typing_duration": 15.002,
      "wpm": 73,
      "message": "สัก 2 คนเข้าใจน่ะค่ะ เดี๋ยวให้ไปอธิบายเพื่อนหูหนวกด้วยกันเองน่ะค่ะอาจารย์"
    },
    {
      "message_id": 1299,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.134,
      "typing_delay": 4.866,
      "typing_duration": 4.866,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1300,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 2.803,
      "typing_delay": 4.195,
      "typing_duration": 4.195,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1301,
      "agent_id": 29,
      "delay": 3.073,
      "onscreen_delay": 0,
      "typing_delay": 3.073,
      "typing_duration": 6.309,
      "wpm": 45,
      "message": "แต่ว่ากลุ่มมันแยกนะ "
    },
    {
      "message_id": 1302,
      "agent_id": 12,
      "delay": 2.307,
      "onscreen_delay": 1.143,
      "typing_delay": 1.164,
      "typing_duration": 4.926,
      "wpm": 21,
      "message": "A B แยก "
    },
    {
      "message_id": 1303,
      "agent_id": 14,
      "delay": 2.117,
      "onscreen_delay": 0,
      "typing_delay": 2.117,
      "typing_duration": 6.414,
      "wpm": 42,
      "message": "ใช่ไหม งงหรือเปล่า "
    },
    {
      "message_id": 1304,
      "agent_id": 16,
      "delay": 2.412,
      "onscreen_delay": 0.856,
      "typing_delay": 1.556,
      "typing_duration": 4.299,
      "wpm": 17,
      "message": "งงไหม "
    },
    {
      "message_id": 1305,
      "agent_id": 29,
      "delay": 4.348,
      "onscreen_delay": 0,
      "typing_delay": 4.348,
      "typing_duration": 4.348,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1306,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1307,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.06,
      "typing_delay": 0.939,
      "typing_duration": 9.886,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1308,
      "agent_id": 16,
      "delay": 6.997,
      "onscreen_delay": 5.981,
      "typing_delay": 1.016,
      "typing_duration": 6.459,
      "wpm": 44,
      "message": "a b 4 5 6 เข้าใจไหม "
    },
    {
      "message_id": 1309,
      "agent_id": 29,
      "delay": 2.996,
      "onscreen_delay": 1.941,
      "typing_delay": 1.055,
      "typing_duration": 12.13,
      "wpm": 47,
      "message": "อยากจะให้เป็นคู่ มันเป็นคู่น่ะ A กับ B "
    },
    {
      "message_id": 1310,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1311,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 8.618,
      "typing_delay": 2.381,
      "typing_duration": 9.376,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1312,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 5.624,
      "typing_delay": 1.374,
      "typing_duration": 5.819,
      "wpm": 64,
      "message": "1 กับ 4 แยก แล้วเข้าใจไหม"
    },
    {
      "message_id": 1313,
      "agent_id": 29,
      "delay": 2.996,
      "onscreen_delay": 2.01,
      "typing_delay": 0.986,
      "typing_duration": 10.394,
      "wpm": 10,
      "message": "1 B B 5 "
    },
    {
      "message_id": 1314,
      "agent_id": 12,
      "delay": 6.393,
      "onscreen_delay": 4.176,
      "typing_delay": 2.217,
      "typing_duration": 10.551,
      "wpm": 14,
      "message": "ก็เป็น 1 5 "
    },
    {
      "message_id": 1315,
      "agent_id": 14,
      "delay": 6.55,
      "onscreen_delay": 6.344,
      "typing_delay": 0.206,
      "typing_duration": 8.147,
      "wpm": 17,
      "message": "เข้าใจไหม "
    },
    {
      "message_id": 1316,
      "agent_id": 16,
      "delay": 4.146,
      "onscreen_delay": 3.386,
      "typing_delay": 0.76,
      "typing_duration": 7.169,
      "wpm": 42,
      "message": "a 1 B 6 เป็น 1 กับ 6 "
    },
    {
      "message_id": 1317,
      "agent_id": 29,
      "delay": 3.168,
      "onscreen_delay": 0.854,
      "typing_delay": 2.314,
      "typing_duration": 5.037,
      "wpm": 33,
      "message": "งงหรือเปล่า "
    },
    {
      "message_id": 1318,
      "agent_id": 12,
      "delay": 7.603,
      "onscreen_delay": 0,
      "typing_delay": 7.603,
      "typing_duration": 9.234,
      "wpm": 8,
      "message": "ใช่ ๆ "
    },
    {
      "message_id": 1319,
      "agent_id": 14,
      "delay": 5.233,
      "onscreen_delay": 1.581,
      "typing_delay": 3.652,
      "typing_duration": 7.712,
      "wpm": 10,
      "message": "ใช่ ๆ "
    },
    {
      "message_id": 1320,
      "agent_id": 16,
      "delay": 3.711,
      "onscreen_delay": 2.924,
      "typing_delay": 0.787,
      "typing_duration": 5.102,
      "wpm": 65,
      "message": "เหมือนกับต้องคู่กันน่ะ "
    },
    {
      "message_id": 1321,
      "agent_id": 29,
      "delay": 1.101,
      "onscreen_delay": 0.204,
      "typing_delay": 0.897,
      "typing_duration": 9.073,
      "wpm": 2,
      "message": "1 "
    },
    {
      "message_id": 1322,
      "agent_id": 12,
      "delay": 5.071,
      "onscreen_delay": 2.574,
      "typing_delay": 2.497,
      "typing_duration": 6.743,
      "wpm": 38,
      "message": "กับ 3 ไม่ได้ ทำไม"
    },
    {
      "message_id": 1323,
      "agent_id": 14,
      "delay": 2.741,
      "onscreen_delay": 2.513,
      "typing_delay": 0.228,
      "typing_duration": 5.297,
      "wpm": 34,
      "message": "เพราะมัน A A "
    },
    {
      "message_id": 1324,
      "agent_id": 16,
      "delay": 1.293,
      "onscreen_delay": 0.049,
      "typing_delay": 1.244,
      "typing_duration": 4.18,
      "wpm": 25,
      "message": "เออ ใช่ "
    },
    {
      "message_id": 1325,
      "agent_id": 29,
      "delay": 2.328,
      "onscreen_delay": 0,
      "typing_delay": 2.328,
      "typing_duration": 12.916,
      "wpm": 24,
      "message": "4, 5, 6 ใช่ ประกอบกัน"
    },
    {
      "message_id": 1326,
      "agent_id": 12,
      "delay": 8.913,
      "onscreen_delay": 5.503,
      "typing_delay": 3.41,
      "typing_duration": 5.671,
      "wpm": 24,
      "message": "รวมกันน่ะ "
    },
    {
      "message_id": 1327,
      "agent_id": 14,
      "delay": 4.912,
      "onscreen_delay": 0.447,
      "typing_delay": 4.465,
      "typing_duration": 4.465,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1328,
      "agent_id": 16,
      "delay": 4.072,
      "onscreen_delay": 0,
      "typing_delay": 4.072,
      "typing_duration": 4.072,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1329,
      "agent_id": 29,
      "delay": 4.778,
      "onscreen_delay": 0,
      "typing_delay": 4.778,
      "typing_duration": 14.386,
      "wpm": 39,
      "message": "เดี๋ยวอย่างไรรบกวนอาจารย์ต่อได้เลยค่ะ "
    },
    {
      "message_id": 1330,
      "agent_id": 12,
      "delay": 10.384,
      "onscreen_delay": 9.138,
      "typing_delay": 1.246,
      "typing_duration": 8.337,
      "wpm": 72,
      "message": "เดี๋ยวถ้าไม่อย่างไรทางล่ามต่อให้ก็ได้ค่ะ "
    },
    {
      "message_id": 1331,
      "agent_id": 14,
      "delay": 6.382,
      "onscreen_delay": 6.139,
      "typing_delay": 0.243,
      "typing_duration": 9.096,
      "wpm": 51,
      "message": "ทางล่ามต่อให้ก็ได้ค่ะ (อาจารย์) "
    },
    {
      "message_id": 1332,
      "agent_id": 16,
      "delay": 5.092,
      "onscreen_delay": 3.354,
      "typing_delay": 1.738,
      "typing_duration": 4.108,
      "wpm": 37,
      "message": "ขอบคุณนะคะ "
    },
    {
      "message_id": 1333,
      "agent_id": 29,
      "delay": 1.087,
      "onscreen_delay": 0.02,
      "typing_delay": 1.067,
      "typing_duration": 9.22,
      "wpm": 28,
      "message": "เราช่วยกัน เดี๋ยว"
    },
    {
      "message_id": 1334,
      "agent_id": 12,
      "delay": 5.216,
      "onscreen_delay": 2.794,
      "typing_delay": 2.422,
      "typing_duration": 14.322,
      "wpm": 39,
      "message": "เราดูนะคะ ว่าถ้าเราหาผลคูณคาร์ทีเซียน"
    },
    {
      "message_id": 1335,
      "agent_id": 14,
      "delay": 10.322,
      "onscreen_delay": 8.396,
      "typing_delay": 1.926,
      "typing_duration": 12.227,
      "wpm": 25,
      "message": "ผลคูณคาร์ทีเซียนแล้ว "
    },
    {
      "message_id": 1336,
      "agent_id": 16,
      "delay": 8.225,
      "onscreen_delay": 6.72,
      "typing_delay": 1.505,
      "typing_duration": 9.916,
      "wpm": 64,
      "message": "เราจะไปหาความสัมพันธ์อย่างไรในคณิตศาสตร์คะ "
    },
    {
      "message_id": 1337,
      "agent_id": 29,
      "delay": 5.915,
      "onscreen_delay": 1.564,
      "typing_delay": 4.351,
      "typing_duration": 6.936,
      "wpm": 11,
      "message": "นิยาม"
    },
    {
      "message_id": 1338,
      "agent_id": 12,
      "delay": 2.935,
      "onscreen_delay": 1.814,
      "typing_delay": 1.121,
      "typing_duration": 11.733,
      "wpm": 46,
      "message": "ความสัมพันธ์เขาบอกว่ามันเป็นเซ็ตย่อย"
    },
    {
      "message_id": 1339,
      "agent_id": 14,
      "delay": 7.732,
      "onscreen_delay": 7.561,
      "typing_delay": 0.171,
      "typing_duration": 9.135,
      "wpm": 38,
      "message": "ของผลคูณคาร์ทีเซียนนะคะ "
    },
    {
      "message_id": 1340,
      "agent_id": 16,
      "delay": 5.129,
      "onscreen_delay": 4.479,
      "typing_delay": 0.65,
      "typing_duration": 7.668,
      "wpm": 55,
      "message": "คือตอนนี้เราหาผลคูณคาเคเชียน "
    },
    {
      "message_id": 1341,
      "agent_id": 29,
      "delay": 3.657,
      "onscreen_delay": 2.581,
      "typing_delay": 1.076,
      "typing_duration": 10.88,
      "wpm": 39,
      "message": "เราแค่มาดูว่าอะไรเป็นเซตย่อย "
    },
    {
      "message_id": 1342,
      "agent_id": 12,
      "delay": 6.879,
      "onscreen_delay": 5.727,
      "typing_delay": 1.152,
      "typing_duration": 8.902,
      "wpm": 49,
      "message": "คำว่า เซตย่อยก็คือเป็นบางส่วน"
    },
    {
      "message_id": 1343,
      "agent_id": 14,
      "delay": 4.9,
      "onscreen_delay": 3.985,
      "typing_delay": 0.915,
      "typing_duration": 9.079,
      "wpm": 26,
      "message": "ผลคูณคาร์ทีเซียน "
    },
    {
      "message_id": 1344,
      "agent_id": 16,
      "delay": 5.076,
      "onscreen_delay": 3.943,
      "typing_delay": 1.133,
      "typing_duration": 6.398,
      "wpm": 98,
      "message": "เราจะเรียกเป็นความสัมพันธ์ ลองดูตัวอย่างนะ "
    },
    {
      "message_id": 1345,
      "agent_id": 29,
      "delay": 2.397,
      "onscreen_delay": 1.499,
      "typing_delay": 0.898,
      "typing_duration": 9.006,
      "wpm": 32,
      "message": "อันนี้คือ A Cross B "
    },
    {
      "message_id": 1346,
      "agent_id": 12,
      "delay": 5.005,
      "onscreen_delay": 2.916,
      "typing_delay": 2.089,
      "typing_duration": 5.333,
      "wpm": 25,
      "message": "A cross B "
    },
    {
      "message_id": 1347,
      "agent_id": 14,
      "delay": 3.89,
      "onscreen_delay": 0,
      "typing_delay": 3.89,
      "typing_duration": 8.193,
      "wpm": 35,
      "message": "เดี๋ยวแป๊บหนึ่งนะคะ "
    },
    {
      "message_id": 1348,
      "agent_id": 16,
      "delay": 4.192,
      "onscreen_delay": 2.245,
      "typing_delay": 1.947,
      "typing_duration": 8.945,
      "wpm": 52,
      "message": "A คอร์ส B เท่ากับ เซ็ตของสมาชิก "
    },
    {
      "message_id": 1349,
      "agent_id": 29,
      "delay": 4.944,
      "onscreen_delay": 3.822,
      "typing_delay": 1.122,
      "typing_duration": 11.1,
      "wpm": 26,
      "message": "คู่อันดับ 1 คู่ 4 1 "
    },
    {
      "message_id": 1350,
      "agent_id": 12,
      "delay": 7.1,
      "onscreen_delay": 6.129,
      "typing_delay": 0.971,
      "typing_duration": 4.212,
      "wpm": 18,
      "message": "คู่ 5 "
    },
    {
      "message_id": 1351,
      "agent_id": 14,
      "delay": 3.099,
      "onscreen_delay": 2.689,
      "typing_delay": 0.41,
      "typing_duration": 7.396,
      "wpm": 14,
      "message": "1 คู่ 6 "
    },
    {
      "message_id": 1352,
      "agent_id": 16,
      "delay": 3.394,
      "onscreen_delay": 3.164,
      "typing_delay": 0.23,
      "typing_duration": 6.271,
      "wpm": 77,
      "message": "ไปจนเรื่อย ๆ 3 คู่ 6 จนตอนนี้เลย "
    },
    {
      "message_id": 1353,
      "agent_id": 29,
      "delay": 2.268,
      "onscreen_delay": 1.496,
      "typing_delay": 0.772,
      "typing_duration": 12.558,
      "wpm": 27,
      "message": "ผลคูณคาร์ทีเซียนเลยนะคะ "
    },
    {
      "message_id": 1354,
      "agent_id": 12,
      "delay": 8.557,
      "onscreen_delay": 7.517,
      "typing_delay": 1.04,
      "typing_duration": 4.754,
      "wpm": 73,
      "message": "เราก็มาดูว่าเซตต่อไปนี้"
    },
    {
      "message_id": 1355,
      "agent_id": 14,
      "delay": 4.548,
      "onscreen_delay": 3.493,
      "typing_delay": 1.055,
      "typing_duration": 13.359,
      "wpm": 26,
      "message": "เป็นเซตย่อยของ A คลอส B "
    },
    {
      "message_id": 1356,
      "agent_id": 16,
      "delay": 9.358,
      "onscreen_delay": 8.949,
      "typing_delay": 0.409,
      "typing_duration": 9.561,
      "wpm": 55,
      "message": "หรือไม่ คำว่าเซ็ตย่อย ของ A คอร์สบี "
    },
    {
      "message_id": 1357,
      "agent_id": 29,
      "delay": 5.559,
      "onscreen_delay": 4.694,
      "typing_delay": 0.865,
      "typing_duration": 8.645,
      "wpm": 31,
      "message": "นะคะ เราก็มองหาเลย"
    },
    {
      "message_id": 1358,
      "agent_id": 12,
      "delay": 4.644,
      "onscreen_delay": 2.956,
      "typing_delay": 1.688,
      "typing_duration": 9.958,
      "wpm": 45,
      "message": "บอกว่า R1 ตอนนี้ R1 ตอนนี้เป็น "
    },
    {
      "message_id": 1359,
      "agent_id": 14,
      "delay": 5.957,
      "onscreen_delay": 5.008,
      "typing_delay": 0.949,
      "typing_duration": 10.096,
      "wpm": 39,
      "message": "เซต R1 เป็นเซตของคู่อันดับ "
    },
    {
      "message_id": 1360,
      "agent_id": 16,
      "delay": 6.094,
      "onscreen_delay": 5.001,
      "typing_delay": 1.093,
      "typing_duration": 9.768,
      "wpm": 54,
      "message": "1 คู่ 4 เราก็ไปดูสิ A คอร์ส B มีไหม "
    },
    {
      "message_id": 1361,
      "agent_id": 29,
      "delay": 5.766,
      "onscreen_delay": 5.187,
      "typing_delay": 0.579,
      "typing_duration": 7.844,
      "wpm": 31,
      "message": "มีไหม ตรงนี้นะคะ "
    },
    {
      "message_id": 1362,
      "agent_id": 12,
      "delay": 3.843,
      "onscreen_delay": 1.877,
      "typing_delay": 1.966,
      "typing_duration": 6.313,
      "wpm": 17,
      "message": "1 คู่ 4 "
    },
    {
      "message_id": 1363,
      "agent_id": 14,
      "delay": 2.311,
      "onscreen_delay": 1.461,
      "typing_delay": 0.85,
      "typing_duration": 7.213,
      "wpm": 48,
      "message": "ต่อไปนะคะ 1 คู่ 5 มีไหม "
    },
    {
      "message_id": 1364,
      "agent_id": 16,
      "delay": 3.212,
      "onscreen_delay": 2.198,
      "typing_delay": 1.014,
      "typing_duration": 5.987,
      "wpm": 55,
      "message": "ก็มี 2 คู่ 6 ล่ะ มีไหม "
    },
    {
      "message_id": 1365,
      "agent_id": 29,
      "delay": 1.986,
      "onscreen_delay": 1.437,
      "typing_delay": 0.549,
      "typing_duration": 7.531,
      "wpm": 50,
      "message": "มีเห็นไหมคะ 3 คู่ 4 มีไหม "
    },
    {
      "message_id": 1366,
      "agent_id": 12,
      "delay": 3.53,
      "onscreen_delay": 3.103,
      "typing_delay": 0.427,
      "typing_duration": 8.917,
      "wpm": 56,
      "message": "มี แล้วข้อสุดท้ายสมาชิกตัวสุดท้าย"
    },
    {
      "message_id": 1367,
      "agent_id": 14,
      "delay": 4.916,
      "onscreen_delay": 4.698,
      "typing_delay": 0.218,
      "typing_duration": 11.662,
      "wpm": 46,
      "message": "ของ R1 ก็คือ 3 คู่ 5 ไปดูใน A คลอส B "
    },
    {
      "message_id": 1368,
      "agent_id": 16,
      "delay": 7.661,
      "onscreen_delay": 7.394,
      "typing_delay": 0.267,
      "typing_duration": 6.411,
      "wpm": 75,
      "message": "มีไหม มี เห็นไหมคะ ถ้า สมาชิกของ "
    },
    {
      "message_id": 1369,
      "agent_id": 29,
      "delay": 3.661,
      "onscreen_delay": 2.426,
      "typing_delay": 1.235,
      "typing_duration": 10.578,
      "wpm": 27,
      "message": "ของเซต R1 ทุก ๆ ตัว "
    },
    {
      "message_id": 1370,
      "agent_id": 12,
      "delay": 6.575,
      "onscreen_delay": 4.952,
      "typing_delay": 1.623,
      "typing_duration": 6.077,
      "wpm": 39,
      "message": "อยู่ใน A cross B "
    },
    {
      "message_id": 1371,
      "agent_id": 14,
      "delay": 2.574,
      "onscreen_delay": 1.997,
      "typing_delay": 0.577,
      "typing_duration": 8.755,
      "wpm": 33,
      "message": "เราจะเรียก R1 ว่า \""
    },
    {
      "message_id": 1372,
      "agent_id": 16,
      "delay": 4.754,
      "onscreen_delay": 4.422,
      "typing_delay": 0.332,
      "typing_duration": 7.684,
      "wpm": 55,
      "message": "เป็นความสัมพันธ์บน A คอร์ส B "
    },
    {
      "message_id": 1373,
      "agent_id": 29,
      "delay": 3.682,
      "onscreen_delay": 3.449,
      "typing_delay": 0.233,
      "typing_duration": 4.308,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1374,
      "agent_id": 12,
      "delay": 0.992,
      "onscreen_delay": 0,
      "typing_delay": 0.992,
      "typing_duration": 10.59,
      "wpm": 41,
      "message": "โอ.เค. นะคะ ตอนนี้เราจะได้ว่า "
    },
    {
      "message_id": 1375,
      "agent_id": 14,
      "delay": 6.589,
      "onscreen_delay": 5.735,
      "typing_delay": 0.854,
      "typing_duration": 7.102,
      "wpm": 15,
      "message": "R1 นะคะ "
    },
    {
      "message_id": 1376,
      "agent_id": 16,
      "delay": 3.101,
      "onscreen_delay": 2.775,
      "typing_delay": 0.326,
      "typing_duration": 6.429,
      "wpm": 68,
      "message": "สมาชิกทุกตัว อยู่ใน A คอร์ส B "
    },
    {
      "message_id": 1377,
      "agent_id": 29,
      "delay": 2.428,
      "onscreen_delay": 2.155,
      "typing_delay": 0.273,
      "typing_duration": 13.855,
      "wpm": 28,
      "message": "เป็นความสัมพันธ์บน A cross "
    },
    {
      "message_id": 1378,
      "agent_id": 12,
      "delay": 9.854,
      "onscreen_delay": 8.811,
      "typing_delay": 1.043,
      "typing_duration": 7.076,
      "wpm": 53,
      "message": "B ติ๊กถูกนะคะ แสดงว่าเป็น"
    },
    {
      "message_id": 1379,
      "agent_id": 14,
      "delay": 5.852,
      "onscreen_delay": 5.626,
      "typing_delay": 0.226,
      "typing_duration": 5.884,
      "wpm": 51,
      "message": "ความสัมพันธ์ คราวนี้"
    },
    {
      "message_id": 1380,
      "agent_id": 16,
      "delay": 1.883,
      "onscreen_delay": 1.701,
      "typing_delay": 0.182,
      "typing_duration": 5.606,
      "wpm": 75,
      "message": "เรามาดูเซ็ตตัวอย่างที่ 2 R 2 "
    },
    {
      "message_id": 1381,
      "agent_id": 29,
      "delay": 1.605,
      "onscreen_delay": 1.295,
      "typing_delay": 0.31,
      "typing_duration": 13.923,
      "wpm": 40,
      "message": "R2 นะคะ เท่ากับเซตของคู่อันดับ ตัวที่ "
    },
    {
      "message_id": 1382,
      "agent_id": 12,
      "delay": 9.923,
      "onscreen_delay": 7.957,
      "typing_delay": 1.966,
      "typing_duration": 9.238,
      "wpm": 11,
      "message": "1 คู่ C "
    },
    {
      "message_id": 1383,
      "agent_id": 14,
      "delay": 5.918,
      "onscreen_delay": 5.232,
      "typing_delay": 0.686,
      "typing_duration": 8.576,
      "wpm": 28,
      "message": "ตัวที่ 2 1 คู่ 5 "
    },
    {
      "message_id": 1384,
      "agent_id": 16,
      "delay": 4.574,
      "onscreen_delay": 4.461,
      "typing_delay": 0.113,
      "typing_duration": 7.537,
      "wpm": 32,
      "message": "ตัวที่ 3 2 คู่ 3 "
    },
    {
      "message_id": 1385,
      "agent_id": 29,
      "delay": 3.534,
      "onscreen_delay": 2.813,
      "typing_delay": 0.721,
      "typing_duration": 6.121,
      "wpm": 39,
      "message": "ตัวที่ 4 3 คู่ 4 "
    },
    {
      "message_id": 1386,
      "agent_id": 12,
      "delay": 2.204,
      "onscreen_delay": 0,
      "typing_delay": 2.204,
      "typing_duration": 5.158,
      "wpm": 38,
      "message": "ตัวที่ 5 นะคะ "
    },
    {
      "message_id": 1387,
      "agent_id": 14,
      "delay": 1.157,
      "onscreen_delay": 0.921,
      "typing_delay": 0.236,
      "typing_duration": 7.737,
      "wpm": 43,
      "message": "3 คู่ 5 5 ตัวนี้ของ R2 "
    },
    {
      "message_id": 1388,
      "agent_id": 16,
      "delay": 3.737,
      "onscreen_delay": 3.578,
      "typing_delay": 0.159,
      "typing_duration": 4.486,
      "wpm": 67,
      "message": "อยู่ใน A คอร์ส B ไหม "
    },
    {
      "message_id": 1389,
      "agent_id": 29,
      "delay": 0.484,
      "onscreen_delay": 0.152,
      "typing_delay": 0.332,
      "typing_duration": 8.413,
      "wpm": 25,
      "message": "ทุกตัวถึงจะบอก"
    },
    {
      "message_id": 1390,
      "agent_id": 12,
      "delay": 4.409,
      "onscreen_delay": 3.518,
      "typing_delay": 0.891,
      "typing_duration": 8.435,
      "wpm": 46,
      "message": "ตัวเลย คราวนี้ครูจะโยงด้วย"
    },
    {
      "message_id": 1391,
      "agent_id": 14,
      "delay": 4.435,
      "onscreen_delay": 3.988,
      "typing_delay": 0.447,
      "typing_duration": 9.074,
      "wpm": 50,
      "message": "เส้นสีม่วงนะคะ 1 คู่ 4 อยู่ไหม "
    },
    {
      "message_id": 1392,
      "agent_id": 16,
      "delay": 5.073,
      "onscreen_delay": 4.61,
      "typing_delay": 0.463,
      "typing_duration": 5.579,
      "wpm": 32,
      "message": "อยู่ 1 คู่ 5 "
    },
    {
      "message_id": 1393,
      "agent_id": 29,
      "delay": 1.577,
      "onscreen_delay": 1.378,
      "typing_delay": 0.199,
      "typing_duration": 8.59,
      "wpm": 47,
      "message": "ก็อยู่นะคะ 2 คู่ 3 ล่ะมีไหม "
    },
    {
      "message_id": 1394,
      "agent_id": 12,
      "delay": 4.589,
      "onscreen_delay": 4.104,
      "typing_delay": 0.485,
      "typing_duration": 6.449,
      "wpm": 47,
      "message": "ตัวนี้ไม่มีเห็นไหมคะ "
    },
    {
      "message_id": 1395,
      "agent_id": 14,
      "delay": 2.448,
      "onscreen_delay": 1.68,
      "typing_delay": 0.768,
      "typing_duration": 13.248,
      "wpm": 32,
      "message": "ตัวนี้เป็น ? ไม่รู้มากจากไหน "
    },
    {
      "message_id": 1396,
      "agent_id": 16,
      "delay": 9.247,
      "onscreen_delay": 8.625,
      "typing_delay": 0.622,
      "typing_duration": 6.045,
      "wpm": 69,
      "message": "ไม่ได้มาจาก A คอร์ส B ตัวนี้"
    },
    {
      "message_id": 1397,
      "agent_id": 29,
      "delay": 5.245,
      "onscreen_delay": 4.644,
      "typing_delay": 0.601,
      "typing_duration": 12.306,
      "wpm": 41,
      "message": "มันจะมีคู่อันดับแปลกปลอมอยู่อันดับ "
    },
    {
      "message_id": 1398,
      "agent_id": 12,
      "delay": 8.304,
      "onscreen_delay": 5.734,
      "typing_delay": 2.57,
      "typing_duration": 7.357,
      "wpm": 37,
      "message": "2 คู่ 3 ไม่ได้อยู่"
    },
    {
      "message_id": 1399,
      "agent_id": 14,
      "delay": 4.303,
      "onscreen_delay": 4.124,
      "typing_delay": 0.179,
      "typing_duration": 12.001,
      "wpm": 42,
      "message": "ใน A คลอส B นะคะ ถ้าเป็นแบบนี้แล้ว "
    },
    {
      "message_id": 1400,
      "agent_id": 16,
      "delay": 8,
      "onscreen_delay": 7.813,
      "typing_delay": 0.187,
      "typing_duration": 7.986,
      "wpm": 71,
      "message": "เราจะสามารถสรุปได้ทันทีว่า R 2 ไม่เป็น"
    },
    {
      "message_id": 1401,
      "agent_id": 29,
      "delay": 3.999,
      "onscreen_delay": 3.1,
      "typing_delay": 0.899,
      "typing_duration": 9.756,
      "wpm": 32,
      "message": "ความสำคัญบน A cross C "
    },
    {
      "message_id": 1402,
      "agent_id": 12,
      "delay": 5.755,
      "onscreen_delay": 4.476,
      "typing_delay": 1.279,
      "typing_duration": 7.684,
      "wpm": 41,
      "message": "คิดก่อน 3 คู่ 4 มีไหม "
    },
    {
      "message_id": 1403,
      "agent_id": 14,
      "delay": 3.673,
      "onscreen_delay": 2.36,
      "typing_delay": 1.313,
      "typing_duration": 5.907,
      "wpm": 71,
      "message": "3 คู่ 5 ก็มีอยู่นี่เห็นไหมคะ "
    },
    {
      "message_id": 1404,
      "agent_id": 16,
      "delay": 1.906,
      "onscreen_delay": 0.771,
      "typing_delay": 1.135,
      "typing_duration": 8.402,
      "wpm": 52,
      "message": "สมาชิกตัวที่ทำให้ R 2 ไม่เป็น"
    },
    {
      "message_id": 1405,
      "agent_id": 29,
      "delay": 4.4,
      "onscreen_delay": 3.895,
      "typing_delay": 0.505,
      "typing_duration": 7.821,
      "wpm": 50,
      "message": "ความสัมพันธ์ ก็คือ 2 คู่ 3 "
    },
    {
      "message_id": 1406,
      "agent_id": 12,
      "delay": 3.82,
      "onscreen_delay": 3.031,
      "typing_delay": 0.789,
      "typing_duration": 7.109,
      "wpm": 57,
      "message": "เพราะว่า 2 คู่ 3 ไม่ได้อยู่"
    },
    {
      "message_id": 1407,
      "agent_id": 14,
      "delay": 3.108,
      "onscreen_delay": 2.748,
      "typing_delay": 0.36,
      "typing_duration": 8.507,
      "wpm": 39,
      "message": "ในเซตของ A ครอส B นะคะ "
    },
    {
      "message_id": 1408,
      "agent_id": 16,
      "delay": 4.506,
      "onscreen_delay": 4.193,
      "typing_delay": 0.313,
      "typing_duration": 7.644,
      "wpm": 80,
      "message": "อันนี้เราก็สรุปได้ว่า ไม่เป็นความสัมพันธ์ "
    },
    {
      "message_id": 1409,
      "agent_id": 29,
      "delay": 3.643,
      "onscreen_delay": 2.284,
      "typing_delay": 1.359,
      "typing_duration": 10.904,
      "wpm": 30,
      "message": "บน A cross B เห็นไหมคะ "
    },
    {
      "message_id": 1410,
      "agent_id": 12,
      "delay": 6.88,
      "onscreen_delay": 5.818,
      "typing_delay": 1.062,
      "typing_duration": 6.608,
      "wpm": 59,
      "message": "ถ้าพูดตามหลักคณิตศาสตร์นี่ "
    },
    {
      "message_id": 1411,
      "agent_id": 14,
      "delay": 2.879,
      "onscreen_delay": 2.344,
      "typing_delay": 0.535,
      "typing_duration": 4.408,
      "wpm": 78,
      "message": "ของผลคูณคาร์ทีเซียนนะคะ "
    },
    {
      "message_id": 1412,
      "agent_id": 16,
      "delay": 1.392,
      "onscreen_delay": 0,
      "typing_delay": 1.392,
      "typing_duration": 8.234,
      "wpm": 42,
      "message": "คราวนี้มาดูจากสไลด์นะคะ "
    },
    {
      "message_id": 1413,
      "agent_id": 29,
      "delay": 5.894,
      "onscreen_delay": 0,
      "typing_delay": 5.894,
      "typing_duration": 5.894,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1414,
      "agent_id": 12,
      "delay": 1.893,
      "onscreen_delay": 0.076,
      "typing_delay": 1.817,
      "typing_duration": 7.964,
      "wpm": 38,
      "message": "สมาชิกตัวหน้าแทนด้วย "
    },
    {
      "message_id": 1415,
      "agent_id": 14,
      "delay": 3.963,
      "onscreen_delay": 2.997,
      "typing_delay": 0.966,
      "typing_duration": 7.047,
      "wpm": 43,
      "message": "X มีสมาชิกอยู่ 5 ตัว "
    },
    {
      "message_id": 1416,
      "agent_id": 16,
      "delay": 3.041,
      "onscreen_delay": 1.496,
      "typing_delay": 1.545,
      "typing_duration": 4.324,
      "wpm": 49,
      "message": "ประกอบไปด้วย 1 "
    },
    {
      "message_id": 1417,
      "agent_id": 29,
      "delay": 1.992,
      "onscreen_delay": 0,
      "typing_delay": 1.992,
      "typing_duration": 9.065,
      "wpm": 26,
      "message": "ประกอบไปด้วยนะคะ "
    },
    {
      "message_id": 1418,
      "agent_id": 12,
      "delay": 5.063,
      "onscreen_delay": 3.233,
      "typing_delay": 1.83,
      "typing_duration": 7.898,
      "wpm": 44,
      "message": "1 ตัวถัดมา 2 ตัวถัดมา 3 "
    },
    {
      "message_id": 1419,
      "agent_id": 14,
      "delay": 3.897,
      "onscreen_delay": 3.404,
      "typing_delay": 0.493,
      "typing_duration": 6.702,
      "wpm": 47,
      "message": "ตัวถัดมา 4 ตัวถัดมา 5 "
    },
    {
      "message_id": 1420,
      "agent_id": 16,
      "delay": 2.7,
      "onscreen_delay": 1.648,
      "typing_delay": 1.052,
      "typing_duration": 6.607,
      "wpm": 82,
      "message": "สมาชิกตัวหน้านะคะ ตอนนี้เราแทนด้วย X "
    },
    {
      "message_id": 1421,
      "agent_id": 29,
      "delay": 2.606,
      "onscreen_delay": 1.42,
      "typing_delay": 1.186,
      "typing_duration": 14.299,
      "wpm": 28,
      "message": "แสดงว่า X มีค่าที่แทนด้วย 5 "
    },
    {
      "message_id": 1422,
      "agent_id": 12,
      "delay": 10.297,
      "onscreen_delay": 8.228,
      "typing_delay": 2.069,
      "typing_duration": 11.757,
      "wpm": 19,
      "message": "อาจจะเป็น 1, 2, "
    },
    {
      "message_id": 1423,
      "agent_id": 14,
      "delay": 7.756,
      "onscreen_delay": 7.313,
      "typing_delay": 0.443,
      "typing_duration": 8.318,
      "wpm": 22,
      "message": "3, 4, 5 นะคะ "
    },
    {
      "message_id": 1424,
      "agent_id": 16,
      "delay": 4.317,
      "onscreen_delay": 3.167,
      "typing_delay": 1.15,
      "typing_duration": 8.568,
      "wpm": 53,
      "message": "อันนี้คือเซ็ตของ X ต่อไปสมาชิก"
    },
    {
      "message_id": 1425,
      "agent_id": 29,
      "delay": 4.552,
      "onscreen_delay": 4.169,
      "typing_delay": 0.383,
      "typing_duration": 12.952,
      "wpm": 22,
      "message": "ตัวหลัง Y ตอนนี้เรา"
    },
    {
      "message_id": 1426,
      "agent_id": 12,
      "delay": 8.94,
      "onscreen_delay": 6.782,
      "typing_delay": 2.158,
      "typing_duration": 6.078,
      "wpm": 39,
      "message": "แทนสมาชิกตัวหลัง"
    },
    {
      "message_id": 1427,
      "agent_id": 14,
      "delay": 4.94,
      "onscreen_delay": 4.453,
      "typing_delay": 0.487,
      "typing_duration": 8.75,
      "wpm": 53,
      "message": "Y ประกอบไปด้วย สมาชิกตัวแรกนะคะ "
    },
    {
      "message_id": 1428,
      "agent_id": 16,
      "delay": 4.749,
      "onscreen_delay": 4.113,
      "typing_delay": 0.636,
      "typing_duration": 5.618,
      "wpm": 69,
      "message": "ประกอบไปด้วย 2 ตัวถัดมาคือ "
    },
    {
      "message_id": 1429,
      "agent_id": 29,
      "delay": 1.618,
      "onscreen_delay": 1.081,
      "typing_delay": 0.537,
      "typing_duration": 14.17,
      "wpm": 22,
      "message": "4 ตัวถัดมาก็คือ 6 ตัว"
    },
    {
      "message_id": 1430,
      "agent_id": 12,
      "delay": 10.167,
      "onscreen_delay": 7.605,
      "typing_delay": 2.562,
      "typing_duration": 5.323,
      "wpm": 37,
      "message": "ถัดมาก็คือ 10 "
    },
    {
      "message_id": 1431,
      "agent_id": 14,
      "delay": 6.162,
      "onscreen_delay": 6.04,
      "typing_delay": 0.122,
      "typing_duration": 10.811,
      "wpm": 55,
      "message": "ตัวถัดมา... 8 ก่อนนะคะ ตัวสุดท้าย คือ 10 "
    },
    {
      "message_id": 1432,
      "agent_id": 16,
      "delay": 6.806,
      "onscreen_delay": 4.09,
      "typing_delay": 2.716,
      "typing_duration": 9.365,
      "wpm": 72,
      "message": "ทวนอีกครั้งหนึ่งนะคะ สมาชิกของ Y ประกอบไปด้วย "
    },
    {
      "message_id": 1433,
      "agent_id": 29,
      "delay": 5.364,
      "onscreen_delay": 3.967,
      "typing_delay": 1.397,
      "typing_duration": 11.28,
      "wpm": 11,
      "message": "2, 4, 6, "
    },
    {
      "message_id": 1434,
      "agent_id": 12,
      "delay": 7.279,
      "onscreen_delay": 6.34,
      "typing_delay": 0.939,
      "typing_duration": 8.144,
      "wpm": 24,
      "message": "8 10 มี 5 ตัว"
    },
    {
      "message_id": 1435,
      "agent_id": 14,
      "delay": 4.14,
      "onscreen_delay": 3.913,
      "typing_delay": 0.227,
      "typing_duration": 6.987,
      "wpm": 60,
      "message": "เช่นเดียวกันกันสมาชิกตัวหน้า "
    },
    {
      "message_id": 1436,
      "agent_id": 16,
      "delay": 2.984,
      "onscreen_delay": 2.366,
      "typing_delay": 0.618,
      "typing_duration": 7.614,
      "wpm": 91,
      "message": "เราจะมาดูว่า ความสัมพันธ์ที่เกิดขึ้น ถ้าเราโยง"
    },
    {
      "message_id": 1437,
      "agent_id": 29,
      "delay": 3.607,
      "onscreen_delay": 2.855,
      "typing_delay": 0.752,
      "typing_duration": 10.224,
      "wpm": 35,
      "message": "กันต่อไปนี้อย่างแรกเลย X "
    },
    {
      "message_id": 1438,
      "agent_id": 12,
      "delay": 6.223,
      "onscreen_delay": 5.41,
      "typing_delay": 0.813,
      "typing_duration": 6.052,
      "wpm": 50,
      "message": "เป็น 1 ไปจับคู่กับ y "
    },
    {
      "message_id": 1439,
      "agent_id": 14,
      "delay": 2.219,
      "onscreen_delay": 1.74,
      "typing_delay": 0.479,
      "typing_duration": 10.239,
      "wpm": 57,
      "message": "เป็น 6 นะคะ X เป็น 1 จับคู่กับ Y เป็น 6 "
    },
    {
      "message_id": 1440,
      "agent_id": 16,
      "delay": 6.238,
      "onscreen_delay": 4.148,
      "typing_delay": 2.09,
      "typing_duration": 8.423,
      "wpm": 66,
      "message": "เกิดเป็นคู่อันดับขึ้นนะคะ เดี๋ยวเราก็"
    },
    {
      "message_id": 1441,
      "agent_id": 29,
      "delay": 4.421,
      "onscreen_delay": 3.866,
      "typing_delay": 0.555,
      "typing_duration": 12.137,
      "wpm": 49,
      "message": "จะเขียนเป็น 1 คู่ 6 ความสัมพันธ์อันที่ 2 "
    },
    {
      "message_id": 1442,
      "agent_id": 12,
      "delay": 8.136,
      "onscreen_delay": 6.001,
      "typing_delay": 2.135,
      "typing_duration": 6.695,
      "wpm": 38,
      "message": "x เป็น 2 y เป็น 2 "
    },
    {
      "message_id": 1443,
      "agent_id": 14,
      "delay": 4.136,
      "onscreen_delay": 2.287,
      "typing_delay": 1.849,
      "typing_duration": 6.403,
      "wpm": 19,
      "message": "อันที่ 3 "
    },
    {
      "message_id": 1444,
      "agent_id": 16,
      "delay": 2.401,
      "onscreen_delay": 2.051,
      "typing_delay": 0.35,
      "typing_duration": 5.648,
      "wpm": 45,
      "message": "X เป็น 3 Y เป็น 4 "
    },
    {
      "message_id": 1445,
      "agent_id": 29,
      "delay": 1.647,
      "onscreen_delay": 0.665,
      "typing_delay": 0.982,
      "typing_duration": 8.019,
      "wpm": 36,
      "message": "อันที่ 4 X เป็น 4 Y "
    },
    {
      "message_id": 1446,
      "agent_id": 12,
      "delay": 4.018,
      "onscreen_delay": 3.371,
      "typing_delay": 0.647,
      "typing_duration": 6.877,
      "wpm": 33,
      "message": "เป็น 8 อันที่ 5 "
    },
    {
      "message_id": 1447,
      "agent_id": 14,
      "delay": 2.876,
      "onscreen_delay": 1.1,
      "typing_delay": 1.776,
      "typing_duration": 6.893,
      "wpm": 39,
      "message": "X เป็น 5 Y เป็น 10 "
    },
    {
      "message_id": 1448,
      "agent_id": 16,
      "delay": 2.887,
      "onscreen_delay": 1.996,
      "typing_delay": 0.891,
      "typing_duration": 8.396,
      "wpm": 77,
      "message": "เราก็สามารถเขียนเป็นคู่อันดับได้ดังต่อไปนี้ "
    },
    {
      "message_id": 1449,
      "agent_id": 29,
      "delay": 4.385,
      "onscreen_delay": 3.912,
      "typing_delay": 0.473,
      "typing_duration": 9.882,
      "wpm": 35,
      "message": "นะคะ คู่อันดับแรก ก็คือ "
    },
    {
      "message_id": 1450,
      "agent_id": 12,
      "delay": 5.88,
      "onscreen_delay": 3.921,
      "typing_delay": 1.959,
      "typing_duration": 8.272,
      "wpm": 40,
      "message": "1 คู่ 6 นะคะ ในเส้นนี้"
    },
    {
      "message_id": 1451,
      "agent_id": 14,
      "delay": 4.27,
      "onscreen_delay": 4.148,
      "typing_delay": 0.122,
      "typing_duration": 9.341,
      "wpm": 48,
      "message": "ในวงเล็บ 1 คู่ 6 ตัวถัดมาก็คือ "
    },
    {
      "message_id": 1452,
      "agent_id": 16,
      "delay": 5.341,
      "onscreen_delay": 4.69,
      "typing_delay": 0.651,
      "typing_duration": 5.458,
      "wpm": 47,
      "message": "X เป็น 2 Y เป็น 2 "
    },
    {
      "message_id": 1453,
      "agent_id": 29,
      "delay": 1.453,
      "onscreen_delay": 0.606,
      "typing_delay": 0.847,
      "typing_duration": 9.829,
      "wpm": 52,
      "message": "เห็นไหม ก็จะได้ตัวนี้ ถัดไปเส้นที่ "
    },
    {
      "message_id": 1454,
      "agent_id": 12,
      "delay": 5.828,
      "onscreen_delay": 4.166,
      "typing_delay": 1.662,
      "typing_duration": 5.779,
      "wpm": 18,
      "message": "3 คู่ 4 "
    },
    {
      "message_id": 1455,
      "agent_id": 14,
      "delay": 1.827,
      "onscreen_delay": 0.864,
      "typing_delay": 0.963,
      "typing_duration": 7.627,
      "wpm": 61,
      "message": "ก็ได้คู่อันดับ 3 คู่ 4 เกิดขึ้น "
    },
    {
      "message_id": 1456,
      "agent_id": 16,
      "delay": 3.625,
      "onscreen_delay": 3.37,
      "typing_delay": 0.255,
      "typing_duration": 7.01,
      "wpm": 81,
      "message": "เส้นนี้นะคะ เส้นที่ 4 ก็คือ 4 คู่กับ 8 "
    },
    {
      "message_id": 1457,
      "agent_id": 29,
      "delay": 3.009,
      "onscreen_delay": 1.978,
      "typing_delay": 1.031,
      "typing_duration": 10.212,
      "wpm": 60,
      "message": "คู่กับ 8 4 คู่กับ 8 ก็ได้เป็นคู่อันดับนี้ "
    },
    {
      "message_id": 1458,
      "agent_id": 12,
      "delay": 6.211,
      "onscreen_delay": 4.583,
      "typing_delay": 1.628,
      "typing_duration": 9.204,
      "wpm": 28,
      "message": "4 คู่ 8 เส้นที่ 5 "
    },
    {
      "message_id": 1459,
      "agent_id": 14,
      "delay": 5.203,
      "onscreen_delay": 5.009,
      "typing_delay": 0.194,
      "typing_duration": 8.146,
      "wpm": 64,
      "message": "เส้นสุดท้าย X เป็น 5 Y เป็น 10 นะคะ "
    },
    {
      "message_id": 1460,
      "agent_id": 16,
      "delay": 4.144,
      "onscreen_delay": 2.973,
      "typing_delay": 1.171,
      "typing_duration": 7.361,
      "wpm": 61,
      "message": "เขียนเป็นคู่อันดับคู่ 5 คู่ 10 "
    },
    {
      "message_id": 1461,
      "agent_id": 29,
      "delay": 3.358,
      "onscreen_delay": 1.969,
      "typing_delay": 1.389,
      "typing_duration": 11.05,
      "wpm": 49,
      "message": "อันนี้ก็คือตัวอย่างความสัมพันธ์หนึ่ง"
    },
    {
      "message_id": 1462,
      "agent_id": 12,
      "delay": 7.049,
      "onscreen_delay": 6.608,
      "typing_delay": 0.441,
      "typing_duration": 10.11,
      "wpm": 62,
      "message": "ที่เกิดขึ้นได้เมื่อกำหนดการโยงความสัมพันธ์"
    },
    {
      "message_id": 1463,
      "agent_id": 14,
      "delay": 6.109,
      "onscreen_delay": 5.694,
      "typing_delay": 0.415,
      "typing_duration": 7.861,
      "wpm": 67,
      "message": "ได้ดังที่ครูอธิบายไปเมื่อกี้นี้นะคะ "
    },
    {
      "message_id": 1464,
      "agent_id": 16,
      "delay": 3.86,
      "onscreen_delay": 2.754,
      "typing_delay": 1.106,
      "typing_duration": 7.614,
      "wpm": 83,
      "message": "อันนี้ก็คือตัวอย่างความสัมพันธ์ที่เกิดขึ้น "
    },
    {
      "message_id": 1465,
      "agent_id": 29,
      "delay": 3.607,
      "onscreen_delay": 2.946,
      "typing_delay": 0.661,
      "typing_duration": 5.298,
      "wpm": 51,
      "message": "ของตัวอย่างนี้นะคะ "
    },
    {
      "message_id": 1466,
      "agent_id": 12,
      "delay": 2.929,
      "onscreen_delay": 0,
      "typing_delay": 2.929,
      "typing_duration": 5.107,
      "wpm": 15,
      "message": "ลองดู"
    },
    {
      "message_id": 1467,
      "agent_id": 14,
      "delay": 1.681,
      "onscreen_delay": 0,
      "typing_delay": 1.681,
      "typing_duration": 10.893,
      "wpm": 8,
      "message": "เดี๋ยว"
    },
    {
      "message_id": 1468,
      "agent_id": 16,
      "delay": 6.892,
      "onscreen_delay": 6.137,
      "typing_delay": 0.755,
      "typing_duration": 6.593,
      "wpm": 89,
      "message": "เรามาลองดูตัวอย่างนี้ไปพร้อมกันด้วยนะคะ "
    },
    {
      "message_id": 1469,
      "agent_id": 29,
      "delay": 2.89,
      "onscreen_delay": 2.272,
      "typing_delay": 0.618,
      "typing_duration": 14.453,
      "wpm": 48,
      "message": "จริง ๆ ก็จะให้นักศึกษาเป็นคนทำนะคะ เดี๋ยวครูจะ"
    },
    {
      "message_id": 1470,
      "agent_id": 12,
      "delay": 10.452,
      "onscreen_delay": 9.789,
      "typing_delay": 0.663,
      "typing_duration": 10.284,
      "wpm": 47,
      "message": "ทำข้อ 1 ให้ดู ส่วนข้อ 2 ข้อ 3 จะ"
    },
    {
      "message_id": 1471,
      "agent_id": 14,
      "delay": 6.45,
      "onscreen_delay": 6.32,
      "typing_delay": 0.13,
      "typing_duration": 6.726,
      "wpm": 87,
      "message": "ให้นักศึกษาฝึกทำเองนะคะ ลองดูตัวนี้นะคะ "
    },
    {
      "message_id": 1472,
      "agent_id": 16,
      "delay": 2.725,
      "onscreen_delay": 1.426,
      "typing_delay": 1.299,
      "typing_duration": 9.686,
      "wpm": 45,
      "message": "ข้อ 1 A เท่ากับเซ็ต A เท่ากับ "
    },
    {
      "message_id": 1473,
      "agent_id": 29,
      "delay": 5.685,
      "onscreen_delay": 4.832,
      "typing_delay": 0.853,
      "typing_duration": 9.653,
      "wpm": 40,
      "message": "เซต A เท่ากับ เซตของสมาชิก"
    },
    {
      "message_id": 1474,
      "agent_id": 12,
      "delay": 5.649,
      "onscreen_delay": 4.318,
      "typing_delay": 1.331,
      "typing_duration": 11.652,
      "wpm": 37,
      "message": "มี 3 ตัว ตัวที่ 1 เป็น a เล็ก "
    },
    {
      "message_id": 1475,
      "agent_id": 14,
      "delay": 7.651,
      "onscreen_delay": 6.783,
      "typing_delay": 0.868,
      "typing_duration": 10.333,
      "wpm": 35,
      "message": "ตัวที่ 2 เป็น b ตัวที่ 3 "
    },
    {
      "message_id": 1476,
      "agent_id": 16,
      "delay": 6.333,
      "onscreen_delay": 5.961,
      "typing_delay": 0.372,
      "typing_duration": 11.862,
      "wpm": 40,
      "message": "เป็น c นะคะ c cat แมว c เล็กนะคะ"
    },
    {
      "message_id": 1477,
      "agent_id": 29,
      "delay": 7.86,
      "onscreen_delay": 6.723,
      "typing_delay": 1.137,
      "typing_duration": 14.767,
      "wpm": 23,
      "message": "c ตัวเล็กนะคะ c cat แมว "
    },
    {
      "message_id": 1478,
      "agent_id": 12,
      "delay": 10.766,
      "onscreen_delay": 9.998,
      "typing_delay": 0.768,
      "typing_duration": 7.821,
      "wpm": 52,
      "message": "อยู่ 3 ตัว ประกอบด้วย a b c"
    },
    {
      "message_id": 1479,
      "agent_id": 14,
      "delay": 6.764,
      "onscreen_delay": 6.386,
      "typing_delay": 0.378,
      "typing_duration": 10.928,
      "wpm": 29,
      "message": "a, b, c ตัวเล็กหมดเลย "
    },
    {
      "message_id": 1480,
      "agent_id": 16,
      "delay": 6.927,
      "onscreen_delay": 5.769,
      "typing_delay": 1.158,
      "typing_duration": 5.379,
      "wpm": 47,
      "message": "B ใหญ่ เป็นสมาชิก "
    },
    {
      "message_id": 1481,
      "agent_id": 29,
      "delay": 2.92,
      "onscreen_delay": 2.62,
      "typing_delay": 0.3,
      "typing_duration": 10.826,
      "wpm": 43,
      "message": "มีสมาชิกนะคะ B ใหญ่มีสมาชิกนะคะ "
    },
    {
      "message_id": 1482,
      "agent_id": 12,
      "delay": 6.824,
      "onscreen_delay": 5.536,
      "typing_delay": 1.288,
      "typing_duration": 5.732,
      "wpm": 34,
      "message": "e f g เราจะหา"
    },
    {
      "message_id": 1483,
      "agent_id": 14,
      "delay": 2.821,
      "onscreen_delay": 2.522,
      "typing_delay": 0.299,
      "typing_duration": 10.3,
      "wpm": 79,
      "message": "ผลคูณคาร์ทีเซียนตรงนี้มันก็จะมีคำตอบที่เกิดขึ้นเท่ากับ "
    },
    {
      "message_id": 1484,
      "agent_id": 16,
      "delay": 6.299,
      "onscreen_delay": 3.999,
      "typing_delay": 2.3,
      "typing_duration": 6.419,
      "wpm": 51,
      "message": "3 อันนี้มีค่าเท่ากับ 3 "
    },
    {
      "message_id": 1485,
      "agent_id": 29,
      "delay": 2.41,
      "onscreen_delay": 1.652,
      "typing_delay": 0.758,
      "typing_duration": 11.235,
      "wpm": 35,
      "message": "3 อันนี้ 3 คำตอบของเรา คือ "
    },
    {
      "message_id": 1486,
      "agent_id": 12,
      "delay": 7.234,
      "onscreen_delay": 6.489,
      "typing_delay": 0.745,
      "typing_duration": 6.646,
      "wpm": 27,
      "message": "3 x 3 เป็น 9 "
    },
    {
      "message_id": 1487,
      "agent_id": 14,
      "delay": 3.233,
      "onscreen_delay": 2.034,
      "typing_delay": 1.199,
      "typing_duration": 10.305,
      "wpm": 22,
      "message": "เดี๋ยวแป๊บหนึ่ง "
    },
    {
      "message_id": 1488,
      "agent_id": 16,
      "delay": 6.304,
      "onscreen_delay": 2.839,
      "typing_delay": 3.465,
      "typing_duration": 6.3,
      "wpm": 14,
      "message": "โอ.เค. "
    },
    {
      "message_id": 1489,
      "agent_id": 29,
      "delay": 2.303,
      "onscreen_delay": 2.031,
      "typing_delay": 0.272,
      "typing_duration": 6.124,
      "wpm": 66,
      "message": "ไม่มีกระดานว่าง ว่าจะอธิบาย"
    },
    {
      "message_id": 1490,
      "agent_id": 12,
      "delay": 2.123,
      "onscreen_delay": 1.176,
      "typing_delay": 0.947,
      "typing_duration": 6.689,
      "wpm": 43,
      "message": "จำตัวเลขนี้ก่อนนะคะ "
    },
    {
      "message_id": 1491,
      "agent_id": 14,
      "delay": 5.029,
      "onscreen_delay": 0,
      "typing_delay": 5.029,
      "typing_duration": 7.856,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1492,
      "agent_id": 16,
      "delay": 3.855,
      "onscreen_delay": 1.238,
      "typing_delay": 2.617,
      "typing_duration": 8.846,
      "wpm": 32,
      "message": "เมื่อกี้ A เมื่อกี้"
    },
    {
      "message_id": 1493,
      "agent_id": 29,
      "delay": 4.844,
      "onscreen_delay": 3.594,
      "typing_delay": 1.25,
      "typing_duration": 9.664,
      "wpm": 67,
      "message": "ครูเขียนด้วยเมาส์นะคะ ลายมืออาจจะไม่ค่อยสวย "
    },
    {
      "message_id": 1494,
      "agent_id": 12,
      "delay": 5.662,
      "onscreen_delay": 4.254,
      "typing_delay": 1.408,
      "typing_duration": 7.453,
      "wpm": 36,
      "message": "เซต a ประกอบด้วย a "
    },
    {
      "message_id": 1495,
      "agent_id": 14,
      "delay": 3.452,
      "onscreen_delay": 1.07,
      "typing_delay": 2.382,
      "typing_duration": 13.327,
      "wpm": 2,
      "message": "b, "
    },
    {
      "message_id": 1496,
      "agent_id": 16,
      "delay": 9.324,
      "onscreen_delay": 8.124,
      "typing_delay": 1.2,
      "typing_duration": 6.336,
      "wpm": 28,
      "message": "c ส่วน b boy "
    },
    {
      "message_id": 1497,
      "agent_id": 29,
      "delay": 5.322,
      "onscreen_delay": 3.923,
      "typing_delay": 1.399,
      "typing_duration": 11.712,
      "wpm": 6,
      "message": "b boy "
    },
    {
      "message_id": 1498,
      "agent_id": 12,
      "delay": 7.711,
      "onscreen_delay": 6.308,
      "typing_delay": 1.403,
      "typing_duration": 8.256,
      "wpm": 31,
      "message": "เซตของ B ใหญ่นะคะ "
    },
    {
      "message_id": 1499,
      "agent_id": 14,
      "delay": 4.255,
      "onscreen_delay": 2.094,
      "typing_delay": 2.161,
      "typing_duration": 7.787,
      "wpm": 23,
      "message": "ประกอบไปด้วย "
    },
    {
      "message_id": 1500,
      "agent_id": 16,
      "delay": 3.785,
      "onscreen_delay": 2.946,
      "typing_delay": 0.839,
      "typing_duration": 15,
      "wpm": 3,
      "message": "e f "
    },
    {
      "message_id": 1501,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.74,
      "typing_delay": 1.259,
      "typing_duration": 11.701,
      "wpm": 13,
      "message": "f แล้วก็ g "
    },
    {
      "message_id": 1502,
      "agent_id": 12,
      "delay": 7.695,
      "onscreen_delay": 4.006,
      "typing_delay": 3.689,
      "typing_duration": 8.326,
      "wpm": 14,
      "message": "เขาให้หา"
    },
    {
      "message_id": 1503,
      "agent_id": 14,
      "delay": 4.322,
      "onscreen_delay": 4.106,
      "typing_delay": 0.216,
      "typing_duration": 11.66,
      "wpm": 42,
      "message": "ผลคูณคาร์ทีเซียนตัว A ครอส B นะคะ "
    },
    {
      "message_id": 1504,
      "agent_id": 16,
      "delay": 7.652,
      "onscreen_delay": 7.132,
      "typing_delay": 0.52,
      "typing_duration": 6.076,
      "wpm": 52,
      "message": "เราก็เขียนเลย a คอร์ส "
    },
    {
      "message_id": 1505,
      "agent_id": 29,
      "delay": 3.652,
      "onscreen_delay": 2.023,
      "typing_delay": 1.629,
      "typing_duration": 11.189,
      "wpm": 44,
      "message": "เขียนแทนเครื่องหมายคล้าย ๆ x นะคะ "
    },
    {
      "message_id": 1506,
      "agent_id": 12,
      "delay": 7.187,
      "onscreen_delay": 5.732,
      "typing_delay": 1.455,
      "typing_duration": 6.742,
      "wpm": 20,
      "message": "a cross b "
    },
    {
      "message_id": 1507,
      "agent_id": 14,
      "delay": 3.186,
      "onscreen_delay": 2.863,
      "typing_delay": 0.323,
      "typing_duration": 8.397,
      "wpm": 71,
      "message": "เท่ากับเซตของ... คู่อันดับจะมี 9 ตัวนะคะ "
    },
    {
      "message_id": 1508,
      "agent_id": 16,
      "delay": 4.396,
      "onscreen_delay": 3.514,
      "typing_delay": 0.882,
      "typing_duration": 4.434,
      "wpm": 30,
      "message": "ตัวแรกคือ "
    },
    {
      "message_id": 1509,
      "agent_id": 29,
      "delay": 1.534,
      "onscreen_delay": 0,
      "typing_delay": 1.534,
      "typing_duration": 7.693,
      "wpm": 2,
      "message": "e "
    },
    {
      "message_id": 1510,
      "agent_id": 12,
      "delay": 3.692,
      "onscreen_delay": 1.965,
      "typing_delay": 1.727,
      "typing_duration": 6.538,
      "wpm": 41,
      "message": "ถัดไปก็เปลี่ยนนะคะ "
    },
    {
      "message_id": 1511,
      "agent_id": 14,
      "delay": 2.534,
      "onscreen_delay": 1.094,
      "typing_delay": 1.44,
      "typing_duration": 6.564,
      "wpm": 39,
      "message": "A ไปคู่กับ F บ้าง "
    },
    {
      "message_id": 1512,
      "agent_id": 16,
      "delay": 2.944,
      "onscreen_delay": 0,
      "typing_delay": 2.944,
      "typing_duration": 7.869,
      "wpm": 38,
      "message": "a ไปคู่ f บ้าง ถัดไป"
    },
    {
      "message_id": 1513,
      "agent_id": 29,
      "delay": 4.324,
      "onscreen_delay": 0,
      "typing_delay": 4.324,
      "typing_duration": 13.582,
      "wpm": 11,
      "message": "A ไปคู่กับ "
    },
    {
      "message_id": 1514,
      "agent_id": 12,
      "delay": 9.58,
      "onscreen_delay": 8.531,
      "typing_delay": 1.049,
      "typing_duration": 8.049,
      "wpm": 2,
      "message": "G "
    },
    {
      "message_id": 1515,
      "agent_id": 14,
      "delay": 5.579,
      "onscreen_delay": 5.464,
      "typing_delay": 0.115,
      "typing_duration": 12.817,
      "wpm": 68,
      "message": "หมดแล้วนะคะ a ไม่สามารถไปหาคู่ใหม่ที่แตกต่างจากเดิมได้แล้ว "
    },
    {
      "message_id": 1516,
      "agent_id": 16,
      "delay": 8.812,
      "onscreen_delay": 7.387,
      "typing_delay": 1.425,
      "typing_duration": 8.274,
      "wpm": 56,
      "message": "ก็เปลี่ยน ใส่คอมม่ามาตรงนี้นะคะ "
    },
    {
      "message_id": 1517,
      "agent_id": 29,
      "delay": 4.81,
      "onscreen_delay": 4.129,
      "typing_delay": 0.681,
      "typing_duration": 14.88,
      "wpm": 44,
      "message": "การเขียนสมาชิกเซตนี่ ทุก ๆ ตัวจะต้องขั้นด้วย "
    },
    {
      "message_id": 1518,
      "agent_id": 12,
      "delay": 10.879,
      "onscreen_delay": 8.817,
      "typing_delay": 2.062,
      "typing_duration": 14.237,
      "wpm": 43,
      "message": "คอมมาร์ต่อไปลองเปลี่ยนสมาชิกตัวหน้าเป็น b "
    },
    {
      "message_id": 1519,
      "agent_id": 14,
      "delay": 10.235,
      "onscreen_delay": 7.754,
      "typing_delay": 2.481,
      "typing_duration": 9.889,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1520,
      "agent_id": 16,
      "delay": 6.232,
      "onscreen_delay": 4.571,
      "typing_delay": 1.661,
      "typing_duration": 5.547,
      "wpm": 46,
      "message": "B ไปคู่กับ E หรือ "
    },
    {
      "message_id": 1521,
      "agent_id": 29,
      "delay": 2.231,
      "onscreen_delay": 1.477,
      "typing_delay": 0.754,
      "typing_duration": 15,
      "wpm": 17,
      "message": "หรือ b ไปคู่กับ f "
    },
    {
      "message_id": 1522,
      "agent_id": 12,
      "delay": 10.994,
      "onscreen_delay": 7.822,
      "typing_delay": 3.172,
      "typing_duration": 7.023,
      "wpm": 23,
      "message": "หรือคอมมาร์"
    },
    {
      "message_id": 1523,
      "agent_id": 14,
      "delay": 6.993,
      "onscreen_delay": 6.722,
      "typing_delay": 0.271,
      "typing_duration": 11.026,
      "wpm": 14,
      "message": "ตัวสุดท้าย "
    },
    {
      "message_id": 1524,
      "agent_id": 16,
      "delay": 7.025,
      "onscreen_delay": 4.753,
      "typing_delay": 2.272,
      "typing_duration": 5.607,
      "wpm": 32,
      "message": "B ไปคู่กับ G "
    },
    {
      "message_id": 1525,
      "agent_id": 29,
      "delay": 3.024,
      "onscreen_delay": 2.261,
      "typing_delay": 0.763,
      "typing_duration": 13.642,
      "wpm": 46,
      "message": "หาคู่ใหม่ไม่ได้แล้วนะคะ ไปหาสมาชิกใหม่บ้าง "
    },
    {
      "message_id": 1526,
      "agent_id": 12,
      "delay": 9.642,
      "onscreen_delay": 6.824,
      "typing_delay": 2.818,
      "typing_duration": 7.887,
      "wpm": 38,
      "message": "นี่ C cat แมวครูนะคะ "
    },
    {
      "message_id": 1527,
      "agent_id": 14,
      "delay": 5.639,
      "onscreen_delay": 4.485,
      "typing_delay": 1.154,
      "typing_duration": 13.396,
      "wpm": 17,
      "message": "c อาจจะคู่กับ e "
    },
    {
      "message_id": 1528,
      "agent_id": 16,
      "delay": 9.395,
      "onscreen_delay": 6.736,
      "typing_delay": 2.659,
      "typing_duration": 8.016,
      "wpm": 37,
      "message": "C ก็เขียน C ในคอมม่า "
    },
    {
      "message_id": 1529,
      "agent_id": 29,
      "delay": 5.394,
      "onscreen_delay": 4.243,
      "typing_delay": 1.151,
      "typing_duration": 8.749,
      "wpm": 36,
      "message": "ปิดวงเล็บนะคะ ต่อไป e "
    },
    {
      "message_id": 1530,
      "agent_id": 12,
      "delay": 4.748,
      "onscreen_delay": 4.047,
      "typing_delay": 0.701,
      "typing_duration": 4.575,
      "wpm": 26,
      "message": "คู่กับ F "
    },
    {
      "message_id": 1531,
      "agent_id": 14,
      "delay": 3.606,
      "onscreen_delay": 0,
      "typing_delay": 3.606,
      "typing_duration": 7.689,
      "wpm": 37,
      "message": "ถัดไปตัวสุดท้ายนะคะ "
    },
    {
      "message_id": 1532,
      "agent_id": 16,
      "delay": 3.688,
      "onscreen_delay": 2.425,
      "typing_delay": 1.263,
      "typing_duration": 4.872,
      "wpm": 31,
      "message": "E คู่กับ G "
    },
    {
      "message_id": 1533,
      "agent_id": 29,
      "delay": 3.256,
      "onscreen_delay": 0,
      "typing_delay": 3.256,
      "typing_duration": 14.276,
      "wpm": 6,
      "message": "โอ.เค. "
    },
    {
      "message_id": 1534,
      "agent_id": 12,
      "delay": 10.274,
      "onscreen_delay": 8.913,
      "typing_delay": 1.361,
      "typing_duration": 7.524,
      "wpm": 64,
      "message": "อันนี้ก็จะเป็นคำตอบของข้อ 1 นะคะ "
    },
    {
      "message_id": 1535,
      "agent_id": 14,
      "delay": 6.272,
      "onscreen_delay": 0.672,
      "typing_delay": 5.6,
      "typing_duration": 5.6,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1536,
      "agent_id": 16,
      "delay": 3.705,
      "onscreen_delay": 0,
      "typing_delay": 3.705,
      "typing_duration": 9.161,
      "wpm": 47,
      "message": "เรียบร้อยแล้วนะคะ ตัวนี้ มาดู"
    },
    {
      "message_id": 1537,
      "agent_id": 29,
      "delay": 5.16,
      "onscreen_delay": 2.586,
      "typing_delay": 2.574,
      "typing_duration": 9.381,
      "wpm": 37,
      "message": "ในตัวเดียวกัน ข้อ 2 นี่ "
    },
    {
      "message_id": 1538,
      "agent_id": 12,
      "delay": 5.38,
      "onscreen_delay": 4.082,
      "typing_delay": 1.298,
      "typing_duration": 11.618,
      "wpm": 31,
      "message": "A = เซตของ ก. ไก่ ข. ไข่"
    },
    {
      "message_id": 1539,
      "agent_id": 14,
      "delay": 7.615,
      "onscreen_delay": 5.399,
      "typing_delay": 2.216,
      "typing_duration": 6.419,
      "wpm": 35,
      "message": "b เป็นเซตของเลข "
    },
    {
      "message_id": 1540,
      "agent_id": 16,
      "delay": 3.614,
      "onscreen_delay": 2.101,
      "typing_delay": 1.513,
      "typing_duration": 5.733,
      "wpm": 44,
      "message": "3 จำนวนนะคะ 2 4 6 "
    },
    {
      "message_id": 1541,
      "agent_id": 29,
      "delay": 1.732,
      "onscreen_delay": 0.747,
      "typing_delay": 0.985,
      "typing_duration": 14.454,
      "wpm": 16,
      "message": "6 นะคะ ถ้าเราหา"
    },
    {
      "message_id": 1542,
      "agent_id": 12,
      "delay": 10.453,
      "onscreen_delay": 9.404,
      "typing_delay": 1.049,
      "typing_duration": 8.459,
      "wpm": 28,
      "message": "ผลคูณคาร์ทีเซียน"
    },
    {
      "message_id": 1543,
      "agent_id": 14,
      "delay": 6.451,
      "onscreen_delay": 6.206,
      "typing_delay": 0.245,
      "typing_duration": 7.921,
      "wpm": 91,
      "message": "แน่นอนที่สุดคำตอบมันต้องมีอยู่กี่ตัวเอ่ย เราก็มา"
    },
    {
      "message_id": 1544,
      "agent_id": 16,
      "delay": 3.92,
      "onscreen_delay": 2.975,
      "typing_delay": 0.945,
      "typing_duration": 5.346,
      "wpm": 59,
      "message": "แอบนับจำนวนสมาชิกนะคะ "
    },
    {
      "message_id": 1545,
      "agent_id": 29,
      "delay": 2.439,
      "onscreen_delay": 0,
      "typing_delay": 2.439,
      "typing_duration": 8.922,
      "wpm": 34,
      "message": "B มีสมาชิกอยู่ 2 ตัว "
    },
    {
      "message_id": 1546,
      "agent_id": 12,
      "delay": 4.921,
      "onscreen_delay": 4.085,
      "typing_delay": 0.836,
      "typing_duration": 8.877,
      "wpm": 32,
      "message": "แล้วก็เอา 2 ไปคุณ 3 "
    },
    {
      "message_id": 1547,
      "agent_id": 14,
      "delay": 4.876,
      "onscreen_delay": 3.718,
      "typing_delay": 1.158,
      "typing_duration": 6.688,
      "wpm": 11,
      "message": "6 ตัว "
    },
    {
      "message_id": 1548,
      "agent_id": 16,
      "delay": 2.687,
      "onscreen_delay": 2.152,
      "typing_delay": 0.535,
      "typing_duration": 9.36,
      "wpm": 53,
      "message": "แสดงว่า ข้อ 2 นี่จะมี 6 คู่อันดับ"
    },
    {
      "message_id": 1549,
      "agent_id": 29,
      "delay": 5.359,
      "onscreen_delay": 4.059,
      "typing_delay": 1.3,
      "typing_duration": 7.716,
      "wpm": 45,
      "message": "ถ้าเขียนคำตอบตรงนี้นะคะ "
    },
    {
      "message_id": 1550,
      "agent_id": 12,
      "delay": 3.712,
      "onscreen_delay": 3.103,
      "typing_delay": 0.609,
      "typing_duration": 6.915,
      "wpm": 74,
      "message": "ไปด้วยเซตของคู่อันดับตัวที่ 1 นะคะ "
    },
    {
      "message_id": 1551,
      "agent_id": 14,
      "delay": 2.914,
      "onscreen_delay": 1.469,
      "typing_delay": 1.445,
      "typing_duration": 8.975,
      "wpm": 10,
      "message": "ก. ไก่ "
    },
    {
      "message_id": 1552,
      "agent_id": 16,
      "delay": 4.974,
      "onscreen_delay": 4.292,
      "typing_delay": 0.682,
      "typing_duration": 7.878,
      "wpm": 67,
      "message": "ไปคู่กับ สมาชิกของ B ตัวที่ 1 ก็คือ "
    },
    {
      "message_id": 1553,
      "agent_id": 29,
      "delay": 3.876,
      "onscreen_delay": 1.787,
      "typing_delay": 2.089,
      "typing_duration": 9.35,
      "wpm": 29,
      "message": "ก. ไก่ คู่ 2 ต่อไป"
    },
    {
      "message_id": 1554,
      "agent_id": 12,
      "delay": 5.349,
      "onscreen_delay": 4.61,
      "typing_delay": 0.739,
      "typing_duration": 7.1,
      "wpm": 51,
      "message": "เปลี่ยนคู่อีกนะคะ ก. ไก่ "
    },
    {
      "message_id": 1555,
      "agent_id": 14,
      "delay": 3.099,
      "onscreen_delay": 1.41,
      "typing_delay": 1.689,
      "typing_duration": 11.478,
      "wpm": 35,
      "message": "อาจจะคู่กับ 4 ก็ได้ หมดแล้ว"
    },
    {
      "message_id": 1556,
      "agent_id": 16,
      "delay": 7.477,
      "onscreen_delay": 6.369,
      "typing_delay": 1.108,
      "typing_duration": 9.633,
      "wpm": 72,
      "message": "นะคะ หมดหรือยัง อ้อยัง ก. ไก่ เปลี่ยนคู่ได้อีก"
    },
    {
      "message_id": 1557,
      "agent_id": 29,
      "delay": 5.615,
      "onscreen_delay": 4.849,
      "typing_delay": 0.766,
      "typing_duration": 12.281,
      "wpm": 28,
      "message": "นะคะ ถ้าไม่คู่ 4 ก็เป็น"
    },
    {
      "message_id": 1558,
      "agent_id": 12,
      "delay": 8.28,
      "onscreen_delay": 7.485,
      "typing_delay": 0.795,
      "typing_duration": 10.759,
      "wpm": 63,
      "message": "คู่ 6 หมดแล้วนะคะ ก. ไก่ไม่รู้จะคู่กับใครแล้ว "
    },
    {
      "message_id": 1559,
      "agent_id": 14,
      "delay": 6.758,
      "onscreen_delay": 6.23,
      "typing_delay": 0.528,
      "typing_duration": 7.573,
      "wpm": 67,
      "message": "หมดวิธีการแล้ว สำหรับสมาชิกตัวหน้า "
    },
    {
      "message_id": 1560,
      "agent_id": 16,
      "delay": 3.567,
      "onscreen_delay": 2.123,
      "typing_delay": 1.444,
      "typing_duration": 8.971,
      "wpm": 48,
      "message": "เราก็เปลี่ยนสมาชิกตัวหลังเป็ฯ "
    },
    {
      "message_id": 1561,
      "agent_id": 29,
      "delay": 4.97,
      "onscreen_delay": 4.74,
      "typing_delay": 0.23,
      "typing_duration": 7.257,
      "wpm": 35,
      "message": "ข. ไข่ ไปคู่กับ 2 "
    },
    {
      "message_id": 1562,
      "agent_id": 12,
      "delay": 3.252,
      "onscreen_delay": 1.646,
      "typing_delay": 1.606,
      "typing_duration": 9.675,
      "wpm": 22,
      "message": "ปิดวงเล็บ หรือ"
    },
    {
      "message_id": 1563,
      "agent_id": 14,
      "delay": 5.674,
      "onscreen_delay": 4.856,
      "typing_delay": 0.818,
      "typing_duration": 10.646,
      "wpm": 28,
      "message": "ข. ไข่ อาจจะคู่กับ 4 "
    },
    {
      "message_id": 1564,
      "agent_id": 16,
      "delay": 6.645,
      "onscreen_delay": 5.246,
      "typing_delay": 1.399,
      "typing_duration": 5.892,
      "wpm": 53,
      "message": "นะคะ สุดท้าย ตัวที่ 6 "
    },
    {
      "message_id": 1565,
      "agent_id": 29,
      "delay": 2.644,
      "onscreen_delay": 2.13,
      "typing_delay": 0.514,
      "typing_duration": 12.089,
      "wpm": 26,
      "message": "เพราะเรานับแล้วว่าคู่"
    },
    {
      "message_id": 1566,
      "agent_id": 12,
      "delay": 8.084,
      "onscreen_delay": 7.541,
      "typing_delay": 0.543,
      "typing_duration": 7.227,
      "wpm": 54,
      "message": "กับ 6 ก็ได้ ปิดวงเล็บปีกกา "
    },
    {
      "message_id": 1567,
      "agent_id": 14,
      "delay": 4.083,
      "onscreen_delay": 1.476,
      "typing_delay": 2.607,
      "typing_duration": 12.797,
      "wpm": 41,
      "message": "อันนี้นะคะ ที่ครูเขียนในสไลด์ตรงนี้ "
    },
    {
      "message_id": 1568,
      "agent_id": 16,
      "delay": 8.794,
      "onscreen_delay": 8.137,
      "typing_delay": 0.657,
      "typing_duration": 6.503,
      "wpm": 32,
      "message": "ก็คือ คำตอบของ "
    },
    {
      "message_id": 1569,
      "agent_id": 29,
      "delay": 4.792,
      "onscreen_delay": 2.017,
      "typing_delay": 2.775,
      "typing_duration": 9.36,
      "wpm": 24,
      "message": "สำหรับข้อ 3 นี้"
    },
    {
      "message_id": 1570,
      "agent_id": 12,
      "delay": 5.358,
      "onscreen_delay": 4.768,
      "typing_delay": 0.59,
      "typing_duration": 13.845,
      "wpm": 49,
      "message": "นักศึกษาก็น่าจะทำได้นะคะ ใช้ Concept เดียวกัน"
    },
    {
      "message_id": 1571,
      "agent_id": 14,
      "delay": 9.844,
      "onscreen_delay": 9.684,
      "typing_delay": 0.16,
      "typing_duration": 8.294,
      "wpm": 61,
      "message": "กับข้อ 1 เลย คอนเซ็ปต์เดียวกันนะคะ "
    },
    {
      "message_id": 1572,
      "agent_id": 16,
      "delay": 5.842,
      "onscreen_delay": 4.97,
      "typing_delay": 0.872,
      "typing_duration": 6.286,
      "wpm": 64,
      "message": "คำตอบมันจะมีค่าอยู่ 3 คูณ 3 "
    },
    {
      "message_id": 1573,
      "agent_id": 29,
      "delay": 2.285,
      "onscreen_delay": 1.019,
      "typing_delay": 1.266,
      "typing_duration": 11.169,
      "wpm": 59,
      "message": "มี 9 ค่านะคะ ก็ฝากนักศึกษาคิดเป็นการบ้านนะคะ "
    },
    {
      "message_id": 1574,
      "agent_id": 12,
      "delay": 7.168,
      "onscreen_delay": 5.692,
      "typing_delay": 1.476,
      "typing_duration": 4.444,
      "wpm": 27,
      "message": "คิดต่อไป "
    },
    {
      "message_id": 1575,
      "agent_id": 14,
      "delay": 3.167,
      "onscreen_delay": 2.916,
      "typing_delay": 0.251,
      "typing_duration": 8.119,
      "wpm": 70,
      "message": "เดี๋ยววันนี้เดี๋ยวเราคงเท่านี้ก่อนนะคะ "
    },
    {
      "message_id": 1576,
      "agent_id": 16,
      "delay": 4.116,
      "onscreen_delay": 2.508,
      "typing_delay": 1.608,
      "typing_duration": 7.77,
      "wpm": 69,
      "message": "เดี๋ยวครูไปปรับเนื้อหาเรื่องฟังก์ชัน "
    },
    {
      "message_id": 1577,
      "agent_id": 29,
      "delay": 3.77,
      "onscreen_delay": 3.459,
      "typing_delay": 0.311,
      "typing_duration": 9.424,
      "wpm": 60,
      "message": "ให้มันเหมาะสมกับเรามากขึ้นก่อน สัปดาห์"
    },
    {
      "message_id": 1578,
      "agent_id": 12,
      "delay": 5.423,
      "onscreen_delay": 4.877,
      "typing_delay": 0.546,
      "typing_duration": 7.18,
      "wpm": 88,
      "message": "หน้านะคะ ครูก็จะมีเรื่องจะแจ้งให้เพื่อทราบ "
    },
    {
      "message_id": 1579,
      "agent_id": 14,
      "delay": 3.178,
      "onscreen_delay": 1.807,
      "typing_delay": 1.371,
      "typing_duration": 8.058,
      "wpm": 41,
      "message": "สัปดาห์หน้าเป็นสัปดาห์"
    },
    {
      "message_id": 1580,
      "agent_id": 16,
      "delay": 4.057,
      "onscreen_delay": 3.55,
      "typing_delay": 0.507,
      "typing_duration": 7.845,
      "wpm": 57,
      "message": "ที่ครูต้องไปอบรมอาจารย์นิเทศน์ "
    },
    {
      "message_id": 1581,
      "agent_id": 29,
      "delay": 3.844,
      "onscreen_delay": 2.83,
      "typing_delay": 1.014,
      "typing_duration": 10.721,
      "wpm": 42,
      "message": "ซึ่งมีกำหนดอบรม 3 วัน มีวันที่ "
    },
    {
      "message_id": 1582,
      "agent_id": 12,
      "delay": 6.72,
      "onscreen_delay": 5.787,
      "typing_delay": 0.933,
      "typing_duration": 7.229,
      "wpm": 17,
      "message": "10 11 12 "
    },
    {
      "message_id": 1583,
      "agent_id": 14,
      "delay": 3.228,
      "onscreen_delay": 1.518,
      "typing_delay": 1.71,
      "typing_duration": 9.613,
      "wpm": 20,
      "message": "แล้ววันที่ 12 "
    },
    {
      "message_id": 1584,
      "agent_id": 16,
      "delay": 5.611,
      "onscreen_delay": 4.599,
      "typing_delay": 1.012,
      "typing_duration": 8.031,
      "wpm": 71,
      "message": "เราจะไม่ได้พบกันเพราะครูติดอบรมทั้งวัน "
    },
    {
      "message_id": 1585,
      "agent_id": 29,
      "delay": 4.03,
      "onscreen_delay": 3.527,
      "typing_delay": 0.503,
      "typing_duration": 10.997,
      "wpm": 45,
      "message": "ก็เลยจะขอมอบหมายให้นึกศึกษา ศึกษา"
    },
    {
      "message_id": 1586,
      "agent_id": 12,
      "delay": 6.996,
      "onscreen_delay": 6.079,
      "typing_delay": 0.917,
      "typing_duration": 15,
      "wpm": 26,
      "message": "กับใบเอกสารประกอบการบรรยาย"
    },
    {
      "message_id": 1587,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 10.765,
      "typing_delay": 0.234,
      "typing_duration": 13.203,
      "wpm": 74,
      "message": "ที่ครูจะบรรยายล่วงหน้านะคะ แต่วันนี้ครูจะยังไม่ให้ ไปปรับปรุงก่อน "
    },
    {
      "message_id": 1588,
      "agent_id": 16,
      "delay": 9.202,
      "onscreen_delay": 7.689,
      "typing_delay": 1.513,
      "typing_duration": 6.598,
      "wpm": 68,
      "message": "ครูจะส่งให้ในไลน์กลุ่มภายในวัน"
    },
    {
      "message_id": 1589,
      "agent_id": 29,
      "delay": 5.201,
      "onscreen_delay": 2.686,
      "typing_delay": 2.515,
      "typing_duration": 11.386,
      "wpm": 36,
      "message": "ภายในวันพรุ่งนี้ครูจะส่งให้"
    },
    {
      "message_id": 1590,
      "agent_id": 12,
      "delay": 7.385,
      "onscreen_delay": 6.222,
      "typing_delay": 1.163,
      "typing_duration": 10.456,
      "wpm": 52,
      "message": "ในไลน์กลุ่มนะคะ และขอมอบหมายให้ทุกคน"
    },
    {
      "message_id": 1591,
      "agent_id": 14,
      "delay": 6.455,
      "onscreen_delay": 5.123,
      "typing_delay": 1.332,
      "typing_duration": 8.181,
      "wpm": 37,
      "message": "พยายามศึกษาจากเอกสาร"
    },
    {
      "message_id": 1592,
      "agent_id": 16,
      "delay": 4.18,
      "onscreen_delay": 2.887,
      "typing_delay": 1.293,
      "typing_duration": 7.245,
      "wpm": 62,
      "message": "ก่อนนะคะ สำหรับคนที่มีข้อจำกัด"
    },
    {
      "message_id": 1593,
      "agent_id": 29,
      "delay": 3.228,
      "onscreen_delay": 1.666,
      "typing_delay": 1.562,
      "typing_duration": 7.886,
      "wpm": 44,
      "message": "ก็อาจจะรอเรียนกับคู่เลย"
    },
    {
      "message_id": 1594,
      "agent_id": 12,
      "delay": 3.886,
      "onscreen_delay": 3.32,
      "typing_delay": 0.566,
      "typing_duration": 8.439,
      "wpm": 43,
      "message": "ก็ได้ รอฟังครูอธิบายนะคะ "
    },
    {
      "message_id": 1595,
      "agent_id": 14,
      "delay": 4.437,
      "onscreen_delay": 2.29,
      "typing_delay": 2.147,
      "typing_duration": 13.904,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1596,
      "agent_id": 16,
      "delay": 9.903,
      "onscreen_delay": 7.91,
      "typing_delay": 1.993,
      "typing_duration": 7.242,
      "wpm": 58,
      "message": "เอกสารครูจะปรับที่มันใช้สูตร "
    },
    {
      "message_id": 1597,
      "agent_id": 29,
      "delay": 5.903,
      "onscreen_delay": 5.393,
      "typing_delay": 0.51,
      "typing_duration": 8.821,
      "wpm": 48,
      "message": "เป็นฟังก์ชันที่ซับซ้อนน้อยลง "
    },
    {
      "message_id": 1598,
      "agent_id": 12,
      "delay": 4.815,
      "onscreen_delay": 2.844,
      "typing_delay": 1.971,
      "typing_duration": 5.164,
      "wpm": 20,
      "message": "Concept "
    },
    {
      "message_id": 1599,
      "agent_id": 14,
      "delay": 1.163,
      "onscreen_delay": 0.139,
      "typing_delay": 1.024,
      "typing_duration": 9.263,
      "wpm": 47,
      "message": "เดี๋ยวพรุ่งนี้ครูจะยกตัวอย่าง"
    },
    {
      "message_id": 1600,
      "agent_id": 16,
      "delay": 5.262,
      "onscreen_delay": 3.065,
      "typing_delay": 2.197,
      "typing_duration": 5.254,
      "wpm": 37,
      "message": "สไลด์ที่จะสอน"
    },
    {
      "message_id": 1601,
      "agent_id": 29,
      "delay": 1.261,
      "onscreen_delay": 1.071,
      "typing_delay": 0.19,
      "typing_duration": 13.956,
      "wpm": 51,
      "message": "ก็คงไม่มีการบ้านอะไร เพราะว่าสิ่งที่เราคุยกันก็"
    },
    {
      "message_id": 1602,
      "agent_id": 12,
      "delay": 9.955,
      "onscreen_delay": 7.571,
      "typing_delay": 2.384,
      "typing_duration": 9.978,
      "wpm": 30,
      "message": "จะเป็นสิ่งที่เราต้อง"
    },
    {
      "message_id": 1603,
      "agent_id": 14,
      "delay": 5.974,
      "onscreen_delay": 5.14,
      "typing_delay": 0.834,
      "typing_duration": 12.919,
      "wpm": 58,
      "message": "การทบทวนเนื้อหาบทเรียนก็ถือว่าเป็นสิ่งที่เราต้องทำ "
    },
    {
      "message_id": 1604,
      "agent_id": 16,
      "delay": 8.912,
      "onscreen_delay": 8.36,
      "typing_delay": 0.552,
      "typing_duration": 5.541,
      "wpm": 97,
      "message": "ก็เป็นการบ้านนั่นล่ะ ที่ต้องทำส่งครู "
    },
    {
      "message_id": 1605,
      "agent_id": 29,
      "delay": 4.905,
      "onscreen_delay": 3.327,
      "typing_delay": 1.578,
      "typing_duration": 9.308,
      "wpm": 73,
      "message": "ถ้ามีข้อคำถามก็ทักมาได้นะคะ เพราะว่าเพื่อนเรา"
    },
    {
      "message_id": 1606,
      "agent_id": 12,
      "delay": 5.306,
      "onscreen_delay": 1.592,
      "typing_delay": 3.714,
      "typing_duration": 13.734,
      "wpm": 13,
      "message": "ก็ทัก In box "
    },
    {
      "message_id": 1607,
      "agent_id": 14,
      "delay": 9.72,
      "onscreen_delay": 9.422,
      "typing_delay": 0.298,
      "typing_duration": 9.523,
      "wpm": 60,
      "message": "นะคะ ก็ถือว่าเป็นกำลังใจให้ครูนะคะ ว่า"
    },
    {
      "message_id": 1608,
      "agent_id": 16,
      "delay": 5.716,
      "onscreen_delay": 3.85,
      "typing_delay": 1.866,
      "typing_duration": 4.894,
      "wpm": 58,
      "message": "นักศึกษาตั้งใจเรียน "
    },
    {
      "message_id": 1609,
      "agent_id": 29,
      "delay": 1.715,
      "onscreen_delay": 0.961,
      "typing_delay": 0.754,
      "typing_duration": 8.761,
      "wpm": 63,
      "message": "พวกเราให้พวกเราเข้าใจให้ได้มาก ๆ ขึ้น "
    },
    {
      "message_id": 1610,
      "agent_id": 12,
      "delay": 4.742,
      "onscreen_delay": 2.381,
      "typing_delay": 2.361,
      "typing_duration": 12.957,
      "wpm": 12,
      "message": "ในช่วงท้าย"
    },
    {
      "message_id": 1611,
      "agent_id": 14,
      "delay": 8.956,
      "onscreen_delay": 8.744,
      "typing_delay": 0.212,
      "typing_duration": 9.134,
      "wpm": 44,
      "message": "หรืออยากจะพูดคุยกับครูไหมคะ "
    },
    {
      "message_id": 1612,
      "agent_id": 16,
      "delay": 5.134,
      "onscreen_delay": 3.312,
      "typing_delay": 1.822,
      "typing_duration": 7.217,
      "wpm": 75,
      "message": "เดี๋ยวครูจะขออนุญาตเช็กชื่อเข้าเรียน"
    },
    {
      "message_id": 1613,
      "agent_id": 29,
      "delay": 3.215,
      "onscreen_delay": 2.708,
      "typing_delay": 0.507,
      "typing_duration": 9.529,
      "wpm": 36,
      "message": "คุณครูล่าม ตอบแทนสำหรับ"
    },
    {
      "message_id": 1614,
      "agent_id": 12,
      "delay": 5.528,
      "onscreen_delay": 5.079,
      "typing_delay": 0.449,
      "typing_duration": 4.637,
      "wpm": 29,
      "message": "บางคนนะคะ "
    },
    {
      "message_id": 1615,
      "agent_id": 14,
      "delay": 2.852,
      "onscreen_delay": 0,
      "typing_delay": 2.852,
      "typing_duration": 13.424,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1616,
      "agent_id": 16,
      "delay": 9.423,
      "onscreen_delay": 6.379,
      "typing_delay": 3.044,
      "typing_duration": 7.282,
      "wpm": 33,
      "message": "(ล่าม) อาจารย์ขา "
    },
    {
      "message_id": 1617,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1618,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1619,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.673,
      "typing_delay": 4.327,
      "typing_duration": 4.327,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1620,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 4.209,
      "typing_delay": 2.79,
      "typing_duration": 7.125,
      "wpm": 38,
      "message": "อาจารย์ขามีที่ DSS"
    },
    {
      "message_id": 1621,
      "agent_id": 29,
      "delay": 3.12,
      "onscreen_delay": 1.646,
      "typing_delay": 1.474,
      "typing_duration": 10.226,
      "wpm": 67,
      "message": "อาจจะดูเรื่องการเช็กชื่อให้กับอาจารย์ได้น่ะค่ะ "
    },
    {
      "message_id": 1622,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1623,
      "agent_id": 14,
      "delay": 10.996,
      "onscreen_delay": 9.511,
      "typing_delay": 1.485,
      "typing_duration": 10.042,
      "wpm": 79,
      "message": "(นักศึกษาหญิง) เดี๋ยวหนูช่วยดูให้ค่ะ (ล่าม) ขอบคุณค่ะ "
    },
    {
      "message_id": 1624,
      "agent_id": 16,
      "delay": 6.993,
      "onscreen_delay": 2.492,
      "typing_delay": 4.501,
      "typing_duration": 4.501,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1625,
      "agent_id": 29,
      "delay": 2.991,
      "onscreen_delay": 0.384,
      "typing_delay": 2.607,
      "typing_duration": 12.674,
      "wpm": 31,
      "message": "เดี๋ยว Sceen ไปด้วยกันนะคะ "
    },
    {
      "message_id": 1626,
      "agent_id": 12,
      "delay": 8.673,
      "onscreen_delay": 7.986,
      "typing_delay": 0.687,
      "typing_duration": 4.703,
      "wpm": 19,
      "message": "หน้าจอ"
    },
    {
      "message_id": 1627,
      "agent_id": 14,
      "delay": 4.672,
      "onscreen_delay": 0.294,
      "typing_delay": 4.378,
      "typing_duration": 9.831,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1628,
      "agent_id": 16,
      "delay": 5.829,
      "onscreen_delay": 5.337,
      "typing_delay": 0.492,
      "typing_duration": 4.321,
      "wpm": 62,
      "message": "ทิพยรัตน์มาไหมเอ่ย "
    },
    {
      "message_id": 1629,
      "agent_id": 29,
      "delay": 1.829,
      "onscreen_delay": 0.266,
      "typing_delay": 1.563,
      "typing_duration": 9.984,
      "wpm": 63,
      "message": "(นักศึกษาหญิง) น่าจะไม่เรียนแล้วค่ะอาจารย์ "
    },
    {
      "message_id": 1630,
      "agent_id": 12,
      "delay": 5.982,
      "onscreen_delay": 4.663,
      "typing_delay": 1.319,
      "typing_duration": 8.455,
      "wpm": 44,
      "message": "(อาจารย์) ครูไม่ได้ยินลูก "
    },
    {
      "message_id": 1631,
      "agent_id": 14,
      "delay": 4.454,
      "onscreen_delay": 2.854,
      "typing_delay": 1.6,
      "typing_duration": 4.573,
      "wpm": 33,
      "message": "แชทมาก็ได้ "
    },
    {
      "message_id": 1632,
      "agent_id": 16,
      "delay": 4.477,
      "onscreen_delay": 0,
      "typing_delay": 4.477,
      "typing_duration": 4.477,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1633,
      "agent_id": 29,
      "delay": 2.684,
      "onscreen_delay": 0,
      "typing_delay": 2.684,
      "typing_duration": 6.815,
      "wpm": 44,
      "message": "หรือจะแชทมาก็ได้นะคะ "
    },
    {
      "message_id": 1634,
      "agent_id": 12,
      "delay": 3.153,
      "onscreen_delay": 0,
      "typing_delay": 3.153,
      "typing_duration": 8.015,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1635,
      "agent_id": 14,
      "delay": 4.004,
      "onscreen_delay": 2.692,
      "typing_delay": 1.312,
      "typing_duration": 10.196,
      "wpm": 74,
      "message": "(นักศึกษาหญิง) อาจารย์ได้ยินหนูไหมคะ (อาจารย์) ครู"
    },
    {
      "message_id": 1636,
      "agent_id": 16,
      "delay": 6.194,
      "onscreen_delay": 5.583,
      "typing_delay": 0.611,
      "typing_duration": 4.221,
      "wpm": 60,
      "message": "ไม่ได้ยินเสียงค่ะ "
    },
    {
      "message_id": 1637,
      "agent_id": 29,
      "delay": 2.293,
      "onscreen_delay": 0,
      "typing_delay": 2.293,
      "typing_duration": 13.662,
      "wpm": 14,
      "message": "(เจ้าหน้าที่) "
    },
    {
      "message_id": 1638,
      "agent_id": 12,
      "delay": 9.66,
      "onscreen_delay": 7.171,
      "typing_delay": 2.489,
      "typing_duration": 5.559,
      "wpm": 16,
      "message": "ฮัลโหล "
    },
    {
      "message_id": 1639,
      "agent_id": 14,
      "delay": 5.835,
      "onscreen_delay": 0,
      "typing_delay": 5.835,
      "typing_duration": 5.835,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1640,
      "agent_id": 16,
      "delay": 1.834,
      "onscreen_delay": 1.407,
      "typing_delay": 0.427,
      "typing_duration": 4.157,
      "wpm": 58,
      "message": "พิมพ์เอาก็ได้ค่ะ"
    },
    {
      "message_id": 1641,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1642,
      "agent_id": 12,
      "delay": 11,
      "onscreen_delay": 8.047,
      "typing_delay": 2.953,
      "typing_duration": 4.897,
      "wpm": 28,
      "message": "ขับรถอยู่ "
    },
    {
      "message_id": 1643,
      "agent_id": 14,
      "delay": 6.996,
      "onscreen_delay": 4.321,
      "typing_delay": 2.675,
      "typing_duration": 12.521,
      "wpm": 34,
      "message": "ทิพรัตน์อยู่หนูทักมาก็ได้ค่ะ "
    },
    {
      "message_id": 1644,
      "agent_id": 16,
      "delay": 8.519,
      "onscreen_delay": 5.657,
      "typing_delay": 2.862,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1645,
      "agent_id": 29,
      "delay": 10.989,
      "onscreen_delay": 5.689,
      "typing_delay": 5.3,
      "typing_duration": 5.3,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1646,
      "agent_id": 12,
      "delay": 6.988,
      "onscreen_delay": 3.752,
      "typing_delay": 3.236,
      "typing_duration": 9.65,
      "wpm": 36,
      "message": "ศิริรัตน์แช็ตมาได้ไหมคะ "
    },
    {
      "message_id": 1647,
      "agent_id": 14,
      "delay": 5.649,
      "onscreen_delay": 5.119,
      "typing_delay": 0.53,
      "typing_duration": 5.31,
      "wpm": 65,
      "message": "ศิริลักษณ์แชทมาได้ไหมคะ "
    },
    {
      "message_id": 1648,
      "agent_id": 16,
      "delay": 1.648,
      "onscreen_delay": 1.109,
      "typing_delay": 0.539,
      "typing_duration": 4.028,
      "wpm": 19,
      "message": "มาค่ะ "
    },
    {
      "message_id": 1649,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1650,
      "agent_id": 12,
      "delay": 11,
      "onscreen_delay": 5.892,
      "typing_delay": 5.108,
      "typing_duration": 8.754,
      "wpm": 29,
      "message": "ยังไม่ได้ไปเอาเลย "
    },
    {
      "message_id": 1651,
      "agent_id": 14,
      "delay": 6.997,
      "onscreen_delay": 2.597,
      "typing_delay": 4.4,
      "typing_duration": 4.4,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1652,
      "agent_id": 16,
      "delay": 4.053,
      "onscreen_delay": 0,
      "typing_delay": 4.053,
      "typing_duration": 6.249,
      "wpm": 29,
      "message": "แป๋มเสียงดัง "
    },
    {
      "message_id": 1653,
      "agent_id": 29,
      "delay": 2.248,
      "onscreen_delay": 0.251,
      "typing_delay": 1.997,
      "typing_duration": 11.878,
      "wpm": 45,
      "message": "(อาจารย์) เดี๋ยวครูเช็กชื่ออดิษรก่อน "
    },
    {
      "message_id": 1654,
      "agent_id": 12,
      "delay": 7.874,
      "onscreen_delay": 5.684,
      "typing_delay": 2.19,
      "typing_duration": 6.405,
      "wpm": 40,
      "message": "ไม่มาเรียนค่ะ คือ "
    },
    {
      "message_id": 1655,
      "agent_id": 14,
      "delay": 3.873,
      "onscreen_delay": 3.636,
      "typing_delay": 0.237,
      "typing_duration": 5.186,
      "wpm": 46,
      "message": "ทิพรัตน์ใช่ไหมคะ "
    },
    {
      "message_id": 1656,
      "agent_id": 16,
      "delay": 4.401,
      "onscreen_delay": 0,
      "typing_delay": 4.401,
      "typing_duration": 4.401,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1657,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1658,
      "agent_id": 12,
      "delay": 10.998,
      "onscreen_delay": 5.712,
      "typing_delay": 5.286,
      "typing_duration": 7.039,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1659,
      "agent_id": 14,
      "delay": 6.904,
      "onscreen_delay": 5.888,
      "typing_delay": 1.016,
      "typing_duration": 4.667,
      "wpm": 39,
      "message": "อดิศรมาไหมคะ "
    },
    {
      "message_id": 1660,
      "agent_id": 16,
      "delay": 2.899,
      "onscreen_delay": 0.737,
      "typing_delay": 2.162,
      "typing_duration": 5.526,
      "wpm": 43,
      "message": "อ๋อได้ค่ะ โอ.เค. "
    },
    {
      "message_id": 1661,
      "agent_id": 29,
      "delay": 1.525,
      "onscreen_delay": 0.115,
      "typing_delay": 1.41,
      "typing_duration": 13.813,
      "wpm": 24,
      "message": "ทำอย่างไรดีนะ จะได้รู้"
    },
    {
      "message_id": 1662,
      "agent_id": 12,
      "delay": 9.812,
      "onscreen_delay": 4.419,
      "typing_delay": 5.393,
      "typing_duration": 9.372,
      "wpm": 38,
      "message": "ว่าใครแต่ละคนมา นักศึกษา"
    },
    {
      "message_id": 1663,
      "agent_id": 14,
      "delay": 5.811,
      "onscreen_delay": 4.465,
      "typing_delay": 1.346,
      "typing_duration": 8.715,
      "wpm": 60,
      "message": "ใครที่มาแล้วนะคะ แล้วได้ยินเสียงครู "
    },
    {
      "message_id": 1664,
      "agent_id": 16,
      "delay": 4.712,
      "onscreen_delay": 2.01,
      "typing_delay": 2.702,
      "typing_duration": 6.149,
      "wpm": 51,
      "message": "ช่วยพิมพ์รหัสประจำตัว"
    },
    {
      "message_id": 1665,
      "agent_id": 29,
      "delay": 2.148,
      "onscreen_delay": 1.13,
      "typing_delay": 1.018,
      "typing_duration": 9.54,
      "wpm": 38,
      "message": "ประจำตัว รหัสนักศึกษาเรา "
    },
    {
      "message_id": 1666,
      "agent_id": 12,
      "delay": 5.539,
      "onscreen_delay": 1.879,
      "typing_delay": 3.66,
      "typing_duration": 10.26,
      "wpm": 38,
      "message": "2 ตัวท้ายมาให้ครูหน่อยนะคะ "
    },
    {
      "message_id": 1667,
      "agent_id": 14,
      "delay": 9.685,
      "onscreen_delay": 0,
      "typing_delay": 9.685,
      "typing_duration": 9.685,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1668,
      "agent_id": 16,
      "delay": 5.683,
      "onscreen_delay": 2.968,
      "typing_delay": 2.715,
      "typing_duration": 9.104,
      "wpm": 63,
      "message": "ถ้าใครไม่สะดวกพิมพ์แล้วบอกเลขที่เลยค่ะ "
    },
    {
      "message_id": 1669,
      "agent_id": 29,
      "delay": 5.103,
      "onscreen_delay": 4.725,
      "typing_delay": 0.378,
      "typing_duration": 6.211,
      "wpm": 65,
      "message": "เปิดไมค์แล้วบอกเลขที่เลยค่ะ "
    },
    {
      "message_id": 1670,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1671,
      "agent_id": 14,
      "delay": 10.991,
      "onscreen_delay": 7.831,
      "typing_delay": 3.16,
      "typing_duration": 10.098,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1672,
      "agent_id": 16,
      "delay": 6.989,
      "onscreen_delay": 5.153,
      "typing_delay": 1.836,
      "typing_duration": 7.743,
      "wpm": 62,
      "message": "เลขประจำตัวนักศึกษา 2 ตัวท้ายค่ะ "
    },
    {
      "message_id": 1673,
      "agent_id": 29,
      "delay": 4.757,
      "onscreen_delay": 0,
      "typing_delay": 4.757,
      "typing_duration": 15.004,
      "wpm": 9,
      "message": "207 มาค่ะ "
    },
    {
      "message_id": 1674,
      "agent_id": 12,
      "delay": 10.998,
      "onscreen_delay": 6.647,
      "typing_delay": 4.351,
      "typing_duration": 13.81,
      "wpm": 18,
      "message": "207 กัญลักษณ์นะคะ "
    },
    {
      "message_id": 1675,
      "agent_id": 14,
      "delay": 9.806,
      "onscreen_delay": 8.805,
      "typing_delay": 1.001,
      "typing_duration": 5.275,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1676,
      "agent_id": 16,
      "delay": 5.805,
      "onscreen_delay": 5.044,
      "typing_delay": 0.761,
      "typing_duration": 6.756,
      "wpm": 80,
      "message": "ครูก็รู้แล้วว่ามานะ เดี๋ยวครูเช็กให้ "
    },
    {
      "message_id": 1677,
      "agent_id": 29,
      "delay": 2.755,
      "onscreen_delay": 1.192,
      "typing_delay": 1.563,
      "typing_duration": 10.298,
      "wpm": 71,
      "message": "จริง ๆ เราจะได้กลับมหาวิทยาลัยเมื่อไรก็ไม่รู้นะคะ "
    },
    {
      "message_id": 1678,
      "agent_id": 12,
      "delay": 6.296,
      "onscreen_delay": 3.374,
      "typing_delay": 2.922,
      "typing_duration": 8.328,
      "wpm": 54,
      "message": "ถ้าเรียนในห้องน่าจะดีมาก ๆ เลย "
    },
    {
      "message_id": 1679,
      "agent_id": 14,
      "delay": 4.327,
      "onscreen_delay": 2.635,
      "typing_delay": 1.692,
      "typing_duration": 7.49,
      "wpm": 54,
      "message": "เดี๋ยวนะคะ ครูเช็กแป๊บหนึ่ง "
    },
    {
      "message_id": 1680,
      "agent_id": 16,
      "delay": 3.487,
      "onscreen_delay": 1.399,
      "typing_delay": 2.088,
      "typing_duration": 8.643,
      "wpm": 17,
      "message": "205 โอ.เค. "
    },
    {
      "message_id": 1681,
      "agent_id": 29,
      "delay": 4.643,
      "onscreen_delay": 4.331,
      "typing_delay": 0.312,
      "typing_duration": 13.424,
      "wpm": 46,
      "message": "แค่นักศึกษาพิมพ์มาในช่องแชทครูก็จะรู้นะคะ "
    },
    {
      "message_id": 1682,
      "agent_id": 12,
      "delay": 9.423,
      "onscreen_delay": 8.399,
      "typing_delay": 1.024,
      "typing_duration": 5.03,
      "wpm": 75,
      "message": "ยังอยู่ที่หน้าจอ เดชาพลมา "
    },
    {
      "message_id": 1683,
      "agent_id": 14,
      "delay": 5.422,
      "onscreen_delay": 2.382,
      "typing_delay": 3.04,
      "typing_duration": 11.475,
      "wpm": 34,
      "message": "เห็นบางคนออนไลน์ไว้ แต่ว่า"
    },
    {
      "message_id": 1684,
      "agent_id": 16,
      "delay": 7.474,
      "onscreen_delay": 6.017,
      "typing_delay": 1.457,
      "typing_duration": 10.303,
      "wpm": 44,
      "message": "ตัวบุคคลที่อยู่ข้างหน้าอุปกรณ์ "
    },
    {
      "message_id": 1685,
      "agent_id": 29,
      "delay": 6.302,
      "onscreen_delay": 5.707,
      "typing_delay": 0.595,
      "typing_duration": 10.385,
      "wpm": 25,
      "message": "นะคะ 203 อดิศร มา "
    },
    {
      "message_id": 1686,
      "agent_id": 12,
      "delay": 6.383,
      "onscreen_delay": 5.934,
      "typing_delay": 0.449,
      "typing_duration": 6.259,
      "wpm": 29,
      "message": "อยู่นะคะ 212 "
    },
    {
      "message_id": 1687,
      "agent_id": 14,
      "delay": 4.09,
      "onscreen_delay": 0,
      "typing_delay": 4.09,
      "typing_duration": 7.936,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1688,
      "agent_id": 16,
      "delay": 3.935,
      "onscreen_delay": 1.857,
      "typing_delay": 2.078,
      "typing_duration": 4.495,
      "wpm": 33,
      "message": "โอ.เค. 215 "
    },
    {
      "message_id": 1689,
      "agent_id": 29,
      "delay": 2.296,
      "onscreen_delay": 0,
      "typing_delay": 2.296,
      "typing_duration": 13.572,
      "wpm": 11,
      "message": "215 ธนภัทร "
    },
    {
      "message_id": 1690,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1691,
      "agent_id": 14,
      "delay": 10.999,
      "onscreen_delay": 5.777,
      "typing_delay": 5.222,
      "typing_duration": 10.263,
      "wpm": 48,
      "message": "(เจ้าหน้าที่) อาจารย์คะ (อาจารย์) "
    },
    {
      "message_id": 1692,
      "agent_id": 16,
      "delay": 6.998,
      "onscreen_delay": 5.307,
      "typing_delay": 1.691,
      "typing_duration": 4.438,
      "wpm": 27,
      "message": "โอ.เค. ๆ "
    },
    {
      "message_id": 1693,
      "agent_id": 29,
      "delay": 2.992,
      "onscreen_delay": 1.953,
      "typing_delay": 1.039,
      "typing_duration": 11.823,
      "wpm": 58,
      "message": "แชทมาเลยนะคะ เดี๋ยวครูจะเซฟแชทเอาไว้เช็กทีหลัก "
    },
    {
      "message_id": 1694,
      "agent_id": 12,
      "delay": 7.822,
      "onscreen_delay": 4.68,
      "typing_delay": 3.142,
      "typing_duration": 9.485,
      "wpm": 13,
      "message": "นะคะ 210 "
    },
    {
      "message_id": 1695,
      "agent_id": 14,
      "delay": 5.485,
      "onscreen_delay": 2.573,
      "typing_delay": 2.912,
      "typing_duration": 8.565,
      "wpm": 18,
      "message": "วรรณวิศามา "
    },
    {
      "message_id": 1696,
      "agent_id": 16,
      "delay": 4.562,
      "onscreen_delay": 3.09,
      "typing_delay": 1.472,
      "typing_duration": 5.25,
      "wpm": 17,
      "message": "214 มา "
    },
    {
      "message_id": 1697,
      "agent_id": 29,
      "delay": 1.25,
      "onscreen_delay": 0.525,
      "typing_delay": 0.725,
      "typing_duration": 5.46,
      "wpm": 74,
      "message": "แล้วก็เดี๋ยวครูพิมพ์ไว้ก่อน "
    },
    {
      "message_id": 1698,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1699,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 6.627,
      "typing_delay": 4.373,
      "typing_duration": 4.373,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1700,
      "agent_id": 16,
      "delay": 7.909,
      "onscreen_delay": 0,
      "typing_delay": 7.909,
      "typing_duration": 11.297,
      "wpm": 8,
      "message": "201 มา "
    },
    {
      "message_id": 1701,
      "agent_id": 29,
      "delay": 7.295,
      "onscreen_delay": 4.15,
      "typing_delay": 3.145,
      "typing_duration": 7.511,
      "wpm": 22,
      "message": "มีใครอีกไหม "
    },
    {
      "message_id": 1702,
      "agent_id": 12,
      "delay": 3.508,
      "onscreen_delay": 2.26,
      "typing_delay": 1.248,
      "typing_duration": 7.77,
      "wpm": 21,
      "message": "203 215 214 "
    },
    {
      "message_id": 1703,
      "agent_id": 14,
      "delay": 3.768,
      "onscreen_delay": 3.221,
      "typing_delay": 0.547,
      "typing_duration": 8.704,
      "wpm": 22,
      "message": "210 215 มาค่ะ "
    },
    {
      "message_id": 1704,
      "agent_id": 16,
      "delay": 4.702,
      "onscreen_delay": 2.224,
      "typing_delay": 2.478,
      "typing_duration": 10.359,
      "wpm": 59,
      "message": "ครูบันทึกแล้วนะคะ 205 เดี๋ยวครูไปเพิ่มค่ะ "
    },
    {
      "message_id": 1705,
      "agent_id": 29,
      "delay": 6.358,
      "onscreen_delay": 4.171,
      "typing_delay": 2.187,
      "typing_duration": 7.194,
      "wpm": 13,
      "message": "210 มา "
    },
    {
      "message_id": 1706,
      "agent_id": 12,
      "delay": 3.193,
      "onscreen_delay": 1.749,
      "typing_delay": 1.444,
      "typing_duration": 10.537,
      "wpm": 46,
      "message": "โอ.เค. ค่ะ 215 ทราบแล้วนะคะว่ามา"
    },
    {
      "message_id": 1707,
      "agent_id": 14,
      "delay": 6.536,
      "onscreen_delay": 3.031,
      "typing_delay": 3.505,
      "typing_duration": 8.362,
      "wpm": 11,
      "message": "โอ.เค. "
    },
    {
      "message_id": 1708,
      "agent_id": 16,
      "delay": 4.361,
      "onscreen_delay": 1.513,
      "typing_delay": 2.848,
      "typing_duration": 6.176,
      "wpm": 49,
      "message": "ถ้าเป็นไปได้นักศึกษา "
    },
    {
      "message_id": 1709,
      "agent_id": 29,
      "delay": 2.173,
      "onscreen_delay": 1.558,
      "typing_delay": 0.615,
      "typing_duration": 10.046,
      "wpm": 46,
      "message": "นะคะ เพื่อให้เราลดเวลาที่เราใช้"
    },
    {
      "message_id": 1710,
      "agent_id": 12,
      "delay": 6.045,
      "onscreen_delay": 4.961,
      "typing_delay": 1.084,
      "typing_duration": 6.209,
      "wpm": 77,
      "message": "ในการเช็กชื่อตรงนี้ครั้งหน้านะคะ "
    },
    {
      "message_id": 1711,
      "agent_id": 14,
      "delay": 2.208,
      "onscreen_delay": 1.602,
      "typing_delay": 0.606,
      "typing_duration": 11.467,
      "wpm": 31,
      "message": "หมายความว่าวันที่ 11 นี้"
    },
    {
      "message_id": 1712,
      "agent_id": 16,
      "delay": 7.466,
      "onscreen_delay": 6.263,
      "typing_delay": 1.203,
      "typing_duration": 7.213,
      "wpm": 40,
      "message": "เรางด ให้อ่านเอกสาร "
    },
    {
      "message_id": 1713,
      "agent_id": 29,
      "delay": 3.465,
      "onscreen_delay": 2.351,
      "typing_delay": 1.114,
      "typing_duration": 15,
      "wpm": 56,
      "message": "เราพบกันวันที่ 18 นี้ ขอให้ทุกคน Rename ตัวเอง ในโปรแกรม "
    },
    {
      "message_id": 1714,
      "agent_id": 12,
      "delay": 15.006,
      "onscreen_delay": 0,
      "typing_delay": 15.006,
      "typing_duration": 15.006,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1715,
      "agent_id": 14,
      "delay": 11.004,
      "onscreen_delay": 9.303,
      "typing_delay": 1.701,
      "typing_duration": 11.864,
      "wpm": 44,
      "message": "นะคะ เดี๋ยวครูจะสาธิตวิธีการ Rename "
    },
    {
      "message_id": 1716,
      "agent_id": 16,
      "delay": 7.863,
      "onscreen_delay": 7.212,
      "typing_delay": 0.651,
      "typing_duration": 10.219,
      "wpm": 44,
      "message": "นะคะ เดี๋ยวครู Stop Share ก่อน "
    },
    {
      "message_id": 1717,
      "agent_id": 29,
      "delay": 6.218,
      "onscreen_delay": 5.476,
      "typing_delay": 0.742,
      "typing_duration": 10.781,
      "wpm": 22,
      "message": "ครูจะแชร์ Screen "
    },
    {
      "message_id": 1718,
      "agent_id": 12,
      "delay": 6.773,
      "onscreen_delay": 5.397,
      "typing_delay": 1.376,
      "typing_duration": 5.789,
      "wpm": 31,
      "message": "ตอนนี้ดูนะคะ "
    },
    {
      "message_id": 1719,
      "agent_id": 14,
      "delay": 2.772,
      "onscreen_delay": 2.299,
      "typing_delay": 0.473,
      "typing_duration": 9.689,
      "wpm": 42,
      "message": "โปรแกรม ZOOM เหมือนครูไหมคะ "
    },
    {
      "message_id": 1720,
      "agent_id": 16,
      "delay": 5.687,
      "onscreen_delay": 3.048,
      "typing_delay": 2.639,
      "typing_duration": 7.053,
      "wpm": 53,
      "message": "(นักศึกษาชาย) ไม่เห็นครับ "
    },
    {
      "message_id": 1721,
      "agent_id": 29,
      "delay": 3.052,
      "onscreen_delay": 1.807,
      "typing_delay": 1.245,
      "typing_duration": 11.559,
      "wpm": 45,
      "message": "(อาจารย์) ดูตรงนี้นะคะ ในช่องของ... "
    },
    {
      "message_id": 1722,
      "agent_id": 12,
      "delay": 7.558,
      "onscreen_delay": 5.867,
      "typing_delay": 1.691,
      "typing_duration": 8.504,
      "wpm": 67,
      "message": "ผู้ที่เข้าในห้องนี้ประกอบไปด้วยใครบ้าง"
    },
    {
      "message_id": 1723,
      "agent_id": 14,
      "delay": 4.503,
      "onscreen_delay": 3.689,
      "typing_delay": 0.814,
      "typing_duration": 9.756,
      "wpm": 57,
      "message": "ตอนนี้ก็คือครูนะคะ ครูก็ใช้ชื่อตัวเอง "
    },
    {
      "message_id": 1724,
      "agent_id": 16,
      "delay": 5.755,
      "onscreen_delay": 4.399,
      "typing_delay": 1.356,
      "typing_duration": 6.424,
      "wpm": 28,
      "message": "ครูเป็นโฮตส์ "
    },
    {
      "message_id": 1725,
      "agent_id": 29,
      "delay": 2.423,
      "onscreen_delay": 1.213,
      "typing_delay": 1.21,
      "typing_duration": 14.871,
      "wpm": 26,
      "message": "มาคลิกท้ายชื่อตัวเองน่ะค่ะ "
    },
    {
      "message_id": 1726,
      "agent_id": 12,
      "delay": 10.869,
      "onscreen_delay": 7.215,
      "typing_delay": 3.654,
      "typing_duration": 11.934,
      "wpm": 20,
      "message": "ม. แล้วก็ Rename "
    },
    {
      "message_id": 1727,
      "agent_id": 14,
      "delay": 7.927,
      "onscreen_delay": 7.476,
      "typing_delay": 0.451,
      "typing_duration": 6.993,
      "wpm": 60,
      "message": "เหมือนกับที่ครูทำ ทำได้ไหมคะ "
    },
    {
      "message_id": 1728,
      "agent_id": 16,
      "delay": 3.925,
      "onscreen_delay": 1.93,
      "typing_delay": 1.995,
      "typing_duration": 4.687,
      "wpm": 67,
      "message": "ไม่ทราบมองเห็นไหมเอ่ย "
    },
    {
      "message_id": 1729,
      "agent_id": 29,
      "delay": 1.571,
      "onscreen_delay": 0,
      "typing_delay": 1.571,
      "typing_duration": 11.078,
      "wpm": 42,
      "message": "(นักศึกษาชาย) ไม่ครับ (อาจารย์)  "
    },
    {
      "message_id": 1730,
      "agent_id": 12,
      "delay": 7.077,
      "onscreen_delay": 6.58,
      "typing_delay": 0.497,
      "typing_duration": 10.229,
      "wpm": 38,
      "message": "อย่างนี้นะคะ แล้วก็ Rename "
    },
    {
      "message_id": 1731,
      "agent_id": 14,
      "delay": 6.227,
      "onscreen_delay": 5.729,
      "typing_delay": 0.498,
      "typing_duration": 10.969,
      "wpm": 52,
      "message": "ดีมากเลยนี่ เหมือนศิริรัตน์กับอดิศรนี่"
    },
    {
      "message_id": 1732,
      "agent_id": 16,
      "delay": 6.968,
      "onscreen_delay": 6.523,
      "typing_delay": 0.445,
      "typing_duration": 7.906,
      "wpm": 87,
      "message": "เป็นตัวอย่างที่ดีนะคะ ถ้าอย่างนี้ครูจะเช็กชื่อ"
    },
    {
      "message_id": 1733,
      "agent_id": 29,
      "delay": 3.905,
      "onscreen_delay": 3.324,
      "typing_delay": 0.581,
      "typing_duration": 8.694,
      "wpm": 66,
      "message": "ง่ายมากเลย นักศึกษาพิมพ์รหัสตัวเองก่อน "
    },
    {
      "message_id": 1734,
      "agent_id": 12,
      "delay": 4.693,
      "onscreen_delay": 3.599,
      "typing_delay": 1.094,
      "typing_duration": 9.414,
      "wpm": 61,
      "message": "203 อดิศรนี่ ทำเหมือนอย่างอดิศรเลยนะคะ "
    },
    {
      "message_id": 1735,
      "agent_id": 14,
      "delay": 5.413,
      "onscreen_delay": 4.762,
      "typing_delay": 0.651,
      "typing_duration": 11.565,
      "wpm": 18,
      "message": "207 กันญารันต์ "
    },
    {
      "message_id": 1736,
      "agent_id": 16,
      "delay": 7.564,
      "onscreen_delay": 6.394,
      "typing_delay": 1.17,
      "typing_duration": 9.609,
      "wpm": 28,
      "message": "เลยนะคะ การล็อกอิน"
    },
    {
      "message_id": 1737,
      "agent_id": 29,
      "delay": 5.608,
      "onscreen_delay": 5.014,
      "typing_delay": 0.594,
      "typing_duration": 10.555,
      "wpm": 45,
      "message": "เข้ามาเรียนก็แล้วกันนะ สาเหตุที่"
    },
    {
      "message_id": 1738,
      "agent_id": 12,
      "delay": 6.554,
      "onscreen_delay": 4.862,
      "typing_delay": 1.692,
      "typing_duration": 5.704,
      "wpm": 55,
      "message": "ครูพยายามทำความรู้จัก "
    },
    {
      "message_id": 1739,
      "agent_id": 14,
      "delay": 2.55,
      "onscreen_delay": 2.119,
      "typing_delay": 0.431,
      "typing_duration": 12.771,
      "wpm": 58,
      "message": "ครูอยากจะเห็นพวกเรานะคะ ครูอยากจะเห็นหน้าค่าตากัน "
    },
    {
      "message_id": 1740,
      "agent_id": 16,
      "delay": 8.769,
      "onscreen_delay": 8.138,
      "typing_delay": 0.631,
      "typing_duration": 7.907,
      "wpm": 80,
      "message": "คือไม่ได้มีวัตถุประสงค์เช็กเป็นเช็กตายอะไร "
    },
    {
      "message_id": 1741,
      "agent_id": 29,
      "delay": 4.768,
      "onscreen_delay": 4.279,
      "typing_delay": 0.489,
      "typing_duration": 13.241,
      "wpm": 45,
      "message": "อยากจะทำความรู้จัก เพราะว่าบางคนปิดกล้อง "
    },
    {
      "message_id": 1742,
      "agent_id": 12,
      "delay": 9.239,
      "onscreen_delay": 8.167,
      "typing_delay": 1.072,
      "typing_duration": 7.433,
      "wpm": 93,
      "message": "หน้าไม่ค่อยได้นะคะ ครูก็อยากจะให้เปิดกล้องด้วย "
    },
    {
      "message_id": 1743,
      "agent_id": 14,
      "delay": 5.238,
      "onscreen_delay": 4.098,
      "typing_delay": 1.14,
      "typing_duration": 6.463,
      "wpm": 23,
      "message": "โอ.เค. 203 "
    },
    {
      "message_id": 1744,
      "agent_id": 16,
      "delay": 2.462,
      "onscreen_delay": 1.709,
      "typing_delay": 0.753,
      "typing_duration": 4.233,
      "wpm": 53,
      "message": "มาครับ ทราบครับ "
    },
    {
      "message_id": 1745,
      "agent_id": 29,
      "delay": 5.497,
      "onscreen_delay": 0,
      "typing_delay": 5.497,
      "typing_duration": 10.701,
      "wpm": 20,
      "message": "ตอนนี้ยังมีใคร"
    },
    {
      "message_id": 1746,
      "agent_id": 12,
      "delay": 6.7,
      "onscreen_delay": 2.759,
      "typing_delay": 3.941,
      "typing_duration": 10.651,
      "wpm": 32,
      "message": "พิมพ์อีกไหม เดี๋ยวครูจะ"
    },
    {
      "message_id": 1747,
      "agent_id": 14,
      "delay": 6.647,
      "onscreen_delay": 4.063,
      "typing_delay": 2.584,
      "typing_duration": 7.957,
      "wpm": 41,
      "message": "ครูจะเก็บตรงนี้ไว้แล้ว "
    },
    {
      "message_id": 1748,
      "agent_id": 16,
      "delay": 3.956,
      "onscreen_delay": 1.423,
      "typing_delay": 2.533,
      "typing_duration": 6.391,
      "wpm": 49,
      "message": "213 215 มา โอ.เค. ค่ะ "
    },
    {
      "message_id": 1749,
      "agent_id": 29,
      "delay": 2.39,
      "onscreen_delay": 0.251,
      "typing_delay": 2.139,
      "typing_duration": 6.639,
      "wpm": 23,
      "message": "Stop share "
    },
    {
      "message_id": 1750,
      "agent_id": 12,
      "delay": 3.671,
      "onscreen_delay": 0,
      "typing_delay": 3.671,
      "typing_duration": 9.926,
      "wpm": 56,
      "message": "วันนี้ก็เรียนกันเนื้อหาค่อนข้างจะหนัก"
    },
    {
      "message_id": 1751,
      "agent_id": 14,
      "delay": 5.925,
      "onscreen_delay": 4.392,
      "typing_delay": 1.533,
      "typing_duration": 7.458,
      "wpm": 20,
      "message": "เอาเป็นว่า"
    },
    {
      "message_id": 1752,
      "agent_id": 16,
      "delay": 3.455,
      "onscreen_delay": 2.359,
      "typing_delay": 1.096,
      "typing_duration": 7.485,
      "wpm": 40,
      "message": "พรุ่งนี้รอคุยเวลาแชท"
    },
    {
      "message_id": 1753,
      "agent_id": 29,
      "delay": 3.484,
      "onscreen_delay": 3.094,
      "typing_delay": 0.39,
      "typing_duration": 10.942,
      "wpm": 53,
      "message": "ในวันที่ 18 ให้นักศึกษาอ่านก่อนล่วงหน้า "
    },
    {
      "message_id": 1754,
      "agent_id": 12,
      "delay": 6.942,
      "onscreen_delay": 3.387,
      "typing_delay": 3.555,
      "typing_duration": 11.694,
      "wpm": 36,
      "message": "วันนี้มีใครจะถามอะไรครูไหมคะ "
    },
    {
      "message_id": 1755,
      "agent_id": 14,
      "delay": 7.692,
      "onscreen_delay": 7.116,
      "typing_delay": 0.576,
      "typing_duration": 7.41,
      "wpm": 73,
      "message": "วันนี้เราคงคุยกันเท่านี้ก่อน มีไหมคะ "
    },
    {
      "message_id": 1756,
      "agent_id": 16,
      "delay": 3.69,
      "onscreen_delay": 2.295,
      "typing_delay": 1.395,
      "typing_duration": 5.739,
      "wpm": 63,
      "message": "หรือว่าอยากจะเสนออะไรครู"
    },
    {
      "message_id": 1757,
      "agent_id": 29,
      "delay": 3.188,
      "onscreen_delay": 0,
      "typing_delay": 3.188,
      "typing_duration": 11.161,
      "wpm": 27,
      "message": "มีใครจะเสนออะไรไหมคะ "
    },
    {
      "message_id": 1758,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1759,
      "agent_id": 14,
      "delay": 11,
      "onscreen_delay": 8.334,
      "typing_delay": 2.666,
      "typing_duration": 8.636,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1760,
      "agent_id": 16,
      "delay": 6.999,
      "onscreen_delay": 6.722,
      "typing_delay": 0.277,
      "typing_duration": 15.021,
      "wpm": 14,
      "message": "ธนภัทรยกมือค่ะ "
    },
    {
      "message_id": 1761,
      "agent_id": 29,
      "delay": 11.02,
      "onscreen_delay": 9.43,
      "typing_delay": 1.59,
      "typing_duration": 13.169,
      "wpm": 49,
      "message": "(ล่าม) ล่ามยังไม่เห็นค่ะอาจารย์คะ (อาจารย์) "
    },
    {
      "message_id": 1762,
      "agent_id": 12,
      "delay": 9.168,
      "onscreen_delay": 8.084,
      "typing_delay": 1.084,
      "typing_duration": 11.84,
      "wpm": 35,
      "message": "นะคะ โอ.เค. ถ้านักศึกษาไม่มี"
    },
    {
      "message_id": 1763,
      "agent_id": 14,
      "delay": 7.839,
      "onscreen_delay": 7.388,
      "typing_delay": 0.451,
      "typing_duration": 15.001,
      "wpm": 63,
      "message": "ข้อเสนอแนะหรือว่าไม่มีข้อคำถาม ณ ขณะนี้ เราสามารถใช้ช่องทาง ศณ์"
    },
    {
      "message_id": 1764,
      "agent_id": 16,
      "delay": 11,
      "onscreen_delay": 6.7,
      "typing_delay": 4.3,
      "typing_duration": 6.951,
      "wpm": 41,
      "message": "สามารถสอบถามเนื้อหา"
    },
    {
      "message_id": 1765,
      "agent_id": 29,
      "delay": 6.999,
      "onscreen_delay": 6.512,
      "typing_delay": 0.487,
      "typing_duration": 8.896,
      "wpm": 49,
      "message": "หรือปัญหาการเรียนได้ทุกเรื่อง"
    },
    {
      "message_id": 1766,
      "agent_id": 12,
      "delay": 4.895,
      "onscreen_delay": 4.285,
      "typing_delay": 0.61,
      "typing_duration": 8.963,
      "wpm": 74,
      "message": "นะคะ ครูก็จะยินดีให้การช่วยเหลือนักศึกษาอยู่ "
    },
    {
      "message_id": 1767,
      "agent_id": 14,
      "delay": 4.953,
      "onscreen_delay": 3.912,
      "typing_delay": 1.041,
      "typing_duration": 6.51,
      "wpm": 60,
      "message": "ในวันนี้เราคงคุยกันเท่านี้ "
    },
    {
      "message_id": 1768,
      "agent_id": 16,
      "delay": 2.508,
      "onscreen_delay": 0.734,
      "typing_delay": 1.774,
      "typing_duration": 7.091,
      "wpm": 47,
      "message": "ในเวลาที่เหลือเล็กน้อย "
    },
    {
      "message_id": 1769,
      "agent_id": 29,
      "delay": 4.053,
      "onscreen_delay": 0,
      "typing_delay": 4.053,
      "typing_duration": 12.082,
      "wpm": 38,
      "message": "... Thailand ของเรานะคะ เป็นการ"
    },
    {
      "message_id": 1770,
      "agent_id": 12,
      "delay": 8.077,
      "onscreen_delay": 7.563,
      "typing_delay": 0.514,
      "typing_duration": 13.128,
      "wpm": 41,
      "message": "พักผ่อนนะคะ เดี๋ยวอีกสักครู่ไทยแลนด์"
    },
    {
      "message_id": 1771,
      "agent_id": 14,
      "delay": 9.127,
      "onscreen_delay": 8.932,
      "typing_delay": 0.195,
      "typing_duration": 11.145,
      "wpm": 34,
      "message": "จะชิงเหรียญเงิน วันนี้ครู"
    },
    {
      "message_id": 1772,
      "agent_id": 16,
      "delay": 7.144,
      "onscreen_delay": 6.127,
      "typing_delay": 1.017,
      "typing_duration": 5.9,
      "wpm": 79,
      "message": "ก็ขอสวัสดีคุณครูล่ามเท่านี้นะคะ "
    },
    {
      "message_id": 1773,
      "agent_id": 29,
      "delay": 3.143,
      "onscreen_delay": 1.4,
      "typing_delay": 1.743,
      "typing_duration": 8.482,
      "wpm": 85,
      "message": "(ล่าม) สวัสดีค่ะอาจารย์ (นักศึกษาชาย) สวัสดีครับ "
    },
    {
      "message_id": 1774,
      "agent_id": 12,
      "delay": 5.324,
      "onscreen_delay": 0,
      "typing_delay": 5.324,
      "typing_duration": 8.177,
      "wpm": 35,
      "message": "[สิ้นสุดการถอดความ] "
    },
    {
      "message_id": 1775,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1776,
      "agent_id": 16,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1777,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1778,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1779,
      "agent_id": 14,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1780,
      "agent_id": 16,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1781,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1782,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1783,
      "agent_id": 14,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1784,
      "agent_id": 16,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1785,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1786,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1787,
      "agent_id": 14,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1788,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1789,
      "agent_id": 12,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1790,
      "agent_id": 12,
      "delay": 7.003,
      "onscreen_delay": 0,
      "typing_delay": 7.003,
      "typing_duration": 7.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1791,
      "agent_id": 14,
      "delay": 3.002,
      "onscreen_delay": 0,
      "typing_delay": 3.002,
      "typing_duration": 3.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1792,
      "agent_id": 14,
      "delay": 3.005,
      "onscreen_delay": 0,
      "typing_delay": 3.005,
      "typing_duration": 3.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1793,
      "agent_id": 14,
      "delay": 3.003,
      "onscreen_delay": 0,
      "typing_delay": 3.003,
      "typing_duration": 3.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1794,
      "agent_id": 14,
      "delay": 3.002,
      "onscreen_delay": 0,
      "typing_delay": 3.002,
      "typing_duration": 3.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1795,
      "agent_id": 14,
      "delay": 3.001,
      "onscreen_delay": 0,
      "typing_delay": 3.001,
      "typing_duration": 3.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1796,
      "agent_id": 16,
      "delay": 0.001,
      "onscreen_delay": 0,
      "typing_delay": 0.001,
      "typing_duration": 0.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1797,
      "agent_id": 29,
      "delay": 0.004,
      "onscreen_delay": 0,
      "typing_delay": 0.004,
      "typing_duration": 0.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1797,
      "agent_id": 14,
      "delay": 0.003,
      "onscreen_delay": 0,
      "typing_delay": 0.003,
      "typing_duration": 0.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1798,
      "agent_id": 12,
      "delay": 4.006,
      "onscreen_delay": 4.004,
      "typing_delay": 0.002,
      "typing_duration": 0.002,
      "wpm": 0,
      "message": ""
    }
  ]
}