{
  "average_delay": 13.88,
  "average_delay_with_out_empty_turn": 11,
  "average_onscreen_delay": 2.276,
  "average_typing_delay": 11.604,
  "average_typing_duration": 13.634,
  "average_wpm": 10,
  "average_wpm_with_out_empty_turn": 45,
  "agents": [
    {
      "agent_id": 2,
      "average_delay": 14.721,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 14.721,
      "average_typing_duration": 14.721,
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      "average_wpm_with_out_empty_turn": 0
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    {
      "agent_id": 3,
      "average_delay": 14.727,
      "average_delay_with_out_empty_turn": 0,
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      "average_typing_delay": 14.727,
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      "average_wpm_with_out_empty_turn": 0
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    {
      "agent_id": 4,
      "average_delay": 14.777,
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      "average_typing_delay": 14.777,
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      "average_wpm_with_out_empty_turn": 0
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    {
      "agent_id": 29,
      "average_delay": 11.216,
      "average_delay_with_out_empty_turn": 11,
      "average_onscreen_delay": 9.314,
      "average_typing_delay": 1.902,
      "average_typing_duration": 10.211,
      "average_wpm": 41,
      "average_wpm_with_out_empty_turn": 45
    }
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      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 29,
      "delay": 11.794,
      "onscreen_delay": 0,
      "typing_delay": 11.794,
      "typing_duration": 15,
      "wpm": 0,
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    {
      "message_id": 4,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 5,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 6,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 7,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 8,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 9,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 10,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 11,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 12,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 13,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 14,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 15,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 16,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 17,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 18,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 19,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 20,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 21,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 22,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 23,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 24,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 25,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 26,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 27,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 28,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 29,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 30,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 31,
      "agent_id": 29,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 32,
      "agent_id": 2,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 33,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 34,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 35,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.08,
      "typing_delay": 0.921,
      "typing_duration": 8.178,
      "wpm": 46,
      "message": "โจทย์กำหนดว่าเป็นเลขาคณิต"
    },
    {
      "message_id": 36,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 37,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 38,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 39,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.473,
      "typing_delay": 0.526,
      "typing_duration": 13.906,
      "wpm": 37,
      "message": "ที่ An ซึ่งข้อ 1 โจทย์ได้บอกมาแล้ว"
    },
    {
      "message_id": 40,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 41,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 42,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 43,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.374,
      "typing_delay": 0.626,
      "typing_duration": 9.692,
      "wpm": 56,
      "message": "และพจที่ 2 ดังนั้นการหาอัตราส่วนร่วม"
    },
    {
      "message_id": 44,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 45,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 46,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 47,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.442,
      "typing_delay": 1.557,
      "typing_duration": 14.42,
      "wpm": 45,
      "message": "ไม่ใช้พจที่ 1 และ พจที่ 2 นักเรียนสามารถใช้"
    },
    {
      "message_id": 48,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 49,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 50,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 51,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.715,
      "typing_delay": 0.285,
      "typing_duration": 13.043,
      "wpm": 55,
      "message": "มีค่าเป็น 2 ค่ะ ข้อ 2 เช่นกันค่ะ โจทย์ลำดับมาให้"
    },
    {
      "message_id": 52,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 53,
      "agent_id": 3,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 54,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 55,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.467,
      "typing_delay": 0.533,
      "typing_duration": 9.095,
      "wpm": 45,
      "message": "หาง่าย ๆ เลย พจที่ 2 เป็น 5 "
    },
    {
      "message_id": 56,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 57,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 58,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 59,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.996,
      "typing_delay": 1.003,
      "typing_duration": 11.787,
      "wpm": 39,
      "message": "เลขาคณิต เหมือนเดิมค่ะ นักเรียน"
    },
    {
      "message_id": 60,
      "agent_id": 2,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 61,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 62,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 63,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.361,
      "typing_delay": 0.638,
      "typing_duration": 9.12,
      "wpm": 33,
      "message": "ข้อนี้เป็นเศษส่วนค่ะ "
    },
    {
      "message_id": 64,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 65,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 66,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 67,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.144,
      "typing_delay": 0.855,
      "typing_duration": 15.001,
      "wpm": 34,
      "message": "ให้นักเรียนเขียน 4 พจน์แรกเป็นเลขา"
    },
    {
      "message_id": 68,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 69,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 70,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 71,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.581,
      "typing_delay": 1.418,
      "typing_duration": 11.355,
      "wpm": 50,
      "message": "A3 แล้วก็ A4 เพราะฉะนั้น 3 ตัวอย่างนี้"
    },
    {
      "message_id": 72,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 73,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 74,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 75,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.039,
      "typing_delay": 0.961,
      "typing_duration": 8.608,
      "wpm": 49,
      "message": "ก่อนที่เราจะไปทำเมื่อสักครู่"
    },
    {
      "message_id": 76,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 77,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 78,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 79,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.621,
      "typing_delay": 0.38,
      "typing_duration": 9.699,
      "wpm": 49,
      "message": "ใช้สัญลักษณ์เป็นตัว R นะคะ เมื่อ"
    },
    {
      "message_id": 80,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 81,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 82,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 83,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 8.546,
      "typing_delay": 2.453,
      "typing_duration": 9.338,
      "wpm": 10,
      "message": "เป็น 1 "
    },
    {
      "message_id": 84,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 85,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 86,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 87,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 10.343,
      "typing_delay": 0.66,
      "typing_duration": 7.641,
      "wpm": 47,
      "message": "3 โจทย์กำหนด R มาให้แล้ว"
    },
    {
      "message_id": 88,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 89,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 90,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 91,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.169,
      "typing_delay": 0.832,
      "typing_duration": 6.041,
      "wpm": 30,
      "message": "คูณด้วยค่า R "
    },
    {
      "message_id": 92,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 93,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 94,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 95,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.099,
      "typing_delay": 0.9,
      "typing_duration": 11.654,
      "wpm": 46,
      "message": "ง่าย ๆ เช่นกัน คือนำ A3 คูณด้วยค่า R"
    },
    {
      "message_id": 96,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 97,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 98,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 99,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.124,
      "typing_delay": 0.878,
      "typing_duration": 8.173,
      "wpm": 53,
      "message": "ของข้อนี้นะคะ A1 มีค่าเป็น -3"
    },
    {
      "message_id": 100,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 101,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 102,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 103,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.366,
      "typing_delay": 0.634,
      "typing_duration": 7.794,
      "wpm": 50,
      "message": "มาให้เป็น 6 และ R เป็น 0.1"
    },
    {
      "message_id": 104,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 105,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 106,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 107,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.148,
      "typing_delay": 0.853,
      "typing_duration": 9.747,
      "wpm": 49,
      "message": "ค่า R ซึ่งค่า R ในข้อนี้เป็น 0.1"
    },
    {
      "message_id": 108,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 109,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 110,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 111,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.573,
      "typing_delay": 1.427,
      "typing_duration": 11.583,
      "wpm": 40,
      "message": "ค่าเป็น 0.6 ดังนั้น 0.6 คูณ 0.1 "
    },
    {
      "message_id": 112,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 113,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 114,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 115,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.509,
      "typing_delay": 0.49,
      "typing_duration": 12.481,
      "wpm": 46,
      "message": "เป็น 0.006 ค่ะ สรุปพจของ 4 ลำดับแรกนี้"
    },
    {
      "message_id": 116,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 117,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 118,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 119,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.467,
      "typing_delay": 0.531,
      "typing_duration": 14.482,
      "wpm": 32,
      "message": "มาให้แต่ข้อ 3 ค่า R เป็นเศษส่วน"
    },
    {
      "message_id": 120,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 121,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 122,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 123,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.657,
      "typing_delay": 1.342,
      "typing_duration": 13.221,
      "wpm": 26,
      "message": "1 ส่วน 3 ผลลัพธ์เป็น -."
    },
    {
      "message_id": 124,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 125,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 126,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 127,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.503,
      "typing_delay": 0.497,
      "typing_duration": 11.67,
      "wpm": 30,
      "message": "เป็น - เศษ 1 ส่วน 3 ค่ะ "
    },
    {
      "message_id": 128,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 129,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 130,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 131,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.892,
      "typing_delay": 1.108,
      "typing_duration": 7.312,
      "wpm": 45,
      "message": "ในการหาพจน์ที่แปลกนะคะ "
    },
    {
      "message_id": 132,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 133,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 134,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 135,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.011,
      "typing_delay": 0.989,
      "typing_duration": 11.383,
      "wpm": 50,
      "message": "ตัวหน้า ใช้ตัวไหนก็ได้ ค่า R ของข้อนี้"
    },
    {
      "message_id": 136,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 137,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 138,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 139,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.632,
      "typing_delay": 0.368,
      "typing_duration": 9.502,
      "wpm": 49,
      "message": "นำค่า R ในข้อนี้ไปหาได้เลื่อย ๆ "
    },
    {
      "message_id": 140,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 141,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 142,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 143,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 9.861,
      "typing_delay": 1.136,
      "typing_duration": 9.624,
      "wpm": 45,
      "message": "นำค่า R ที่เป็น 3 นี้ มาหาค่า"
    },
    {
      "message_id": 144,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 145,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 146,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 147,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.96,
      "typing_delay": 1.038,
      "typing_duration": 14.271,
      "wpm": 40,
      "message": "243 ได้ค่าเป็น 729 อันนี้เป็น ค่าที่ 6"
    },
    {
      "message_id": 148,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 149,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 150,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 151,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.466,
      "typing_delay": 0.533,
      "typing_duration": 15.001,
      "wpm": 44,
      "message": "ง่ายกว่านั้นค่ะ ที่นักเรียนไม่ต้องคูณทีละตัว"
    },
    {
      "message_id": 152,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 153,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 154,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 155,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.039,
      "typing_delay": 0.96,
      "typing_duration": 10.503,
      "wpm": 19,
      "message": "An จะได้ค่า R "
    },
    {
      "message_id": 156,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 157,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 158,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 159,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.447,
      "typing_delay": 0.554,
      "typing_duration": 11.286,
      "wpm": 44,
      "message": "หาได้ง่าย ๆ โดยการนำ A1 คูณด้วย R"
    },
    {
      "message_id": 160,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 161,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 162,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 163,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.201,
      "typing_delay": 0.8,
      "typing_duration": 8.832,
      "wpm": 34,
      "message": "เท่ากับ A1 คูณด้วย R "
    },
    {
      "message_id": 164,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 165,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 166,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 167,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.188,
      "typing_delay": 0.811,
      "typing_duration": 11.041,
      "wpm": 23,
      "message": "A4 = A3 คูณด้วย R"
    },
    {
      "message_id": 168,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 169,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 170,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 171,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.337,
      "typing_delay": 0.664,
      "typing_duration": 7.673,
      "wpm": 35,
      "message": "A1 คูณ R ยกกำลัง 3 "
    },
    {
      "message_id": 172,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 173,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 174,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 175,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.98,
      "typing_delay": 1.019,
      "typing_duration": 15,
      "wpm": 41,
      "message": "นี่คือรูปพจน์ทั่วไปของลำดับเลขาคณิตอีกครั"
    },
    {
      "message_id": 176,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 177,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 178,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 179,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.652,
      "typing_delay": 0.347,
      "typing_duration": 8.885,
      "wpm": 52,
      "message": "เป็นพจน์แรก 1 คือ อัตราส่วนร่วม"
    },
    {
      "message_id": 180,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 181,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 182,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 183,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.403,
      "typing_delay": 1.595,
      "typing_duration": 8.526,
      "wpm": 26,
      "message": "A1r ยกกำลัง A-n"
    },
    {
      "message_id": 184,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 185,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 186,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 187,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.31,
      "typing_delay": 0.689,
      "typing_duration": 10.353,
      "wpm": 59,
      "message": "เป็น 3 R เราก็หามาแล้วมีค่าเป็น 3 เช่นกัน"
    },
    {
      "message_id": 188,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 189,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 190,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 191,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.181,
      "typing_delay": 0.819,
      "typing_duration": 9.803,
      "wpm": 23,
      "message": "A8 ได้เป็น 6561 "
    },
    {
      "message_id": 192,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 193,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 194,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 195,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.631,
      "typing_delay": 1.368,
      "typing_duration": 12.01,
      "wpm": 36,
      "message": "ต่อไปนี้ 4 ลำดับที่โจทย์ให้มา"
    },
    {
      "message_id": 196,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 197,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 198,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 199,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.515,
      "typing_delay": 0.487,
      "typing_duration": 6.181,
      "wpm": 46,
      "message": "เราจะแทนค่าแต่ละข้อ"
    },
    {
      "message_id": 200,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 201,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 202,
      "agent_id": 4,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 203,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.188,
      "typing_delay": 0.81,
      "typing_duration": 12.785,
      "wpm": 22,
      "message": "พจน์หน้า นำ R มาหาร"
    },
    {
      "message_id": 204,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 205,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 206,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 207,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.518,
      "typing_delay": 0.482,
      "typing_duration": 10.39,
      "wpm": 45,
      "message": "ยกกำลัง N-1 ตอบตามข้อนี้เลยนะคะ"
    },
    {
      "message_id": 208,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 209,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 210,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 211,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.98,
      "typing_delay": 1.019,
      "typing_duration": 13.505,
      "wpm": 27,
      "message": "ข้อ 2 ก็จะได้ An = 4 (5)"
    },
    {
      "message_id": 212,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 213,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 214,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 215,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.199,
      "typing_delay": 0.8,
      "typing_duration": 7.523,
      "wpm": 68,
      "message": "ทุกอย่างเลยค่ะ นำพจน์ที่อยู่ติดกัน"
    },
    {
      "message_id": 216,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 217,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 218,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 219,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.77,
      "typing_delay": 1.229,
      "typing_duration": 12.81,
      "wpm": 41,
      "message": "และพจน์ที่ 1 มีค่าเป็น เศษ 1 ส่วน 5"
    },
    {
      "message_id": 220,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 221,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 222,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 223,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.588,
      "typing_delay": 0.412,
      "typing_duration": 13.692,
      "wpm": 37,
      "message": "เป็น เศษ 2 ส่วน 5 คูณ เศษ 1 ส่วน 2"
    },
    {
      "message_id": 224,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 225,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 226,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 227,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.393,
      "typing_delay": 0.606,
      "typing_duration": 10.141,
      "wpm": 68,
      "message": "การนำพจน์ที่อยู่ติดกันนำตัวหลังมาหารกับตัวหน้า"
    },
    {
      "message_id": 228,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 229,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 230,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 231,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.508,
      "typing_delay": 0.492,
      "typing_duration": 13.454,
      "wpm": 49,
      "message": "สุดท้ายนี้ให้นักเรียนหาพจน์ที่ 9 ของเลขาคณิต"
    },
    {
      "message_id": 232,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 233,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 234,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 235,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.178,
      "typing_delay": 0.82,
      "typing_duration": 10.273,
      "wpm": 34,
      "message": "มีค่า a1 กับ r เป็นอะไร"
    },
    {
      "message_id": 236,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 237,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 238,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 239,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.24,
      "typing_delay": 0.76,
      "typing_duration": 8.66,
      "wpm": 50,
      "message": "a9 นะคะ เขียนสูตรทดทั่วไปก่อน"
    },
    {
      "message_id": 240,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 241,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 242,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 243,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.298,
      "typing_delay": 0.702,
      "typing_duration": 13.246,
      "wpm": 41,
      "message": "เป็น เศษ 1ส่วน 4 คิดเลขอย่างเดียวค่ะ"
    },
    {
      "message_id": 244,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 245,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 246,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 247,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.884,
      "typing_delay": 1.117,
      "typing_duration": 7.921,
      "wpm": 68,
      "message": "92 ค่ะ สรุปความรู้ที่ได้ในตอนนี้นะคะ "
    },
    {
      "message_id": 248,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 249,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 250,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 251,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.208,
      "typing_delay": 0.792,
      "typing_duration": 12.381,
      "wpm": 44,
      "message": "ค่าคงตัวเสมอ ซึ่งค่าคงตัวนี้เรียกว่า "
    },
    {
      "message_id": 252,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 253,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 254,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 255,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.141,
      "typing_delay": 0.859,
      "typing_duration": 8.771,
      "wpm": 26,
      "message": "นั่นคือ an = a1 "
    },
    {
      "message_id": 256,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 257,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 258,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 259,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.618,
      "typing_delay": 1.383,
      "typing_duration": 12.826,
      "wpm": 60,
      "message": "ลำดับทั้ง 4 ลำดับนี้นะคะ ว่าเป็นเลขคณิตหรือเลขาคณิต"
    },
    {
      "message_id": 260,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 261,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 262,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 263,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.638,
      "typing_delay": 0.36,
      "typing_duration": 13.12,
      "wpm": 61,
      "message": "หาอัตราส่วนร่วมด้วยค่ะ 4 ข้อนี้ให้นักเรียนฝึกทำดูนะคะ"
    },
    {
      "message_id": 264,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 265,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 266,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 267,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.251,
      "typing_delay": 0.75,
      "typing_duration": 10.037,
      "wpm": 58,
      "message": "นะคะ ครูจะมาเฉลยโจทย์ฝึกทำทั้ง 4 ข้อนี้"
    },
    {
      "message_id": 268,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 269,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 270,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 271,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 7.565,
      "typing_delay": 3.433,
      "typing_duration": 5.851,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 272,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 273,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 274,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 275,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 7.031,
      "typing_delay": 3.968,
      "typing_duration": 9.442,
      "wpm": 44,
      "message": "ครับ ละหว่างลำดับที่ติดกันนะ"
    },
    {
      "message_id": 276,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 277,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 278,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 279,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.589,
      "typing_delay": 0.409,
      "typing_duration": 5.522,
      "wpm": 84,
      "message": "กันได้ไหม ลพดับเลขคณิต คือ อะไร"
    },
    {
      "message_id": 280,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 281,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 282,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 283,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.352,
      "typing_delay": 0.65,
      "typing_duration": 4.731,
      "wpm": 38,
      "message": "เลขขาคณิตกัน "
    },
    {
      "message_id": 284,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 285,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 286,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 287,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.429,
      "typing_delay": 0.569,
      "typing_duration": 14.466,
      "wpm": 18,
      "message": "a4, a5 ไปจนถึง an"
    },
    {
      "message_id": 288,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 289,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 290,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 291,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.741,
      "typing_delay": 1.257,
      "typing_duration": 11.62,
      "wpm": 39,
      "message": "ตรงนี้น่ะครับ a2 หาร a1 นะครับ"
    },
    {
      "message_id": 292,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 293,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 294,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 295,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.68,
      "typing_delay": 0.319,
      "typing_duration": 7.459,
      "wpm": 52,
      "message": "หาร a3 ซึ่งก็จะเท่ากับอะไร"
    },
    {
      "message_id": 296,
      "agent_id": 2,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 297,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 298,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 299,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.6,
      "typing_delay": 0.402,
      "typing_duration": 8.802,
      "wpm": 72,
      "message": "นะครับ ทุกตัวนี้ที่เป็นอัตราส่วนเท่า ๆ กัน"
    },
    {
      "message_id": 300,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 301,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 302,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 303,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.224,
      "typing_delay": 0.776,
      "typing_duration": 11.645,
      "wpm": 32,
      "message": "ได้ว่าอัตราส่วน a1 กับ a2 "
    },
    {
      "message_id": 304,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 305,
      "agent_id": 3,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 306,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 307,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.046,
      "typing_delay": 0.954,
      "typing_duration": 9.926,
      "wpm": 54,
      "message": "แบบแผนในการเลื่อนลำดับอย่างนี้นะครับ "
    },
    {
      "message_id": 308,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 309,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 310,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 311,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.261,
      "typing_delay": 0.737,
      "typing_duration": 4.37,
      "wpm": 38,
      "message": "เขียนใหม่นะ "
    },
    {
      "message_id": 312,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 313,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 314,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 315,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 10.499,
      "typing_delay": 0.498,
      "typing_duration": 6.973,
      "wpm": 32,
      "message": "an นะครับ ทีนี้"
    },
    {
      "message_id": 316,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 317,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 318,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 319,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 8.605,
      "typing_delay": 2.392,
      "typing_duration": 9.865,
      "wpm": 52,
      "message": "นะครับ r เท่ากันหมดเลย แสดงว่าอะไร"
    },
    {
      "message_id": 320,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 321,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 322,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 323,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.293,
      "typing_delay": 0.706,
      "typing_duration": 12.73,
      "wpm": 42,
      "message": "a1 ใช่ไหม a2 นี่มันก็คือ a1 คูณกับ r"
    },
    {
      "message_id": 324,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 325,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 326,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 327,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.926,
      "typing_delay": 1.075,
      "typing_duration": 8.505,
      "wpm": 35,
      "message": "หรือเราจะเขียนเป็น a"
    },
    {
      "message_id": 328,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 329,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 330,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 331,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.145,
      "typing_delay": 0.854,
      "typing_duration": 11.851,
      "wpm": 39,
      "message": "กำลัง 3 ใช่ไหม คูณ r 1 ทีตรงนี้ "
    },
    {
      "message_id": 332,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 333,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 334,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 335,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.447,
      "typing_delay": 0.552,
      "typing_duration": 12.358,
      "wpm": 36,
      "message": "อีกตัวหนึ่ง จากแพทเทิร์นตัวนี้"
    },
    {
      "message_id": 336,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 337,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 338,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 339,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.066,
      "typing_delay": 0.936,
      "typing_duration": 8.102,
      "wpm": 39,
      "message": "คือ a1 คุณกับ r 3 ตัว"
    },
    {
      "message_id": 340,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 341,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 342,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 343,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.64,
      "typing_delay": 0.36,
      "typing_duration": 8.591,
      "wpm": 68,
      "message": "มันเกิดจากอะไรครับ มันเกิดจาก 5-1 ได้ 4"
    },
    {
      "message_id": 344,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 345,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 346,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 347,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.465,
      "typing_delay": 0.534,
      "typing_duration": 11.264,
      "wpm": 64,
      "message": "มันเหมือนกันถูกไหมครับ เพราะฉะนั้นเราสามารุเขียน"
    },
    {
      "message_id": 348,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 349,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 350,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 351,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.357,
      "typing_delay": 1.643,
      "typing_duration": 9.643,
      "wpm": 61,
      "message": "ใช่ไหม เพราะฉะนั้นเราอยากหาตัวที่เท่าไร "
    },
    {
      "message_id": 352,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 353,
      "agent_id": 3,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 354,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 355,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.523,
      "typing_delay": 0.477,
      "typing_duration": 12.489,
      "wpm": 47,
      "message": "ตัวที่ 25 ก็คูณกับลัง ที่ 24 ถูกไหมครับ "
    },
    {
      "message_id": 356,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 357,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 358,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 359,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.485,
      "typing_delay": 0.513,
      "typing_duration": 15,
      "wpm": 42,
      "message": "ทีนี้ถามต่อว่า พี่ครับ ๆ จำเป็นต้องใช้ a 1"
    },
    {
      "message_id": 360,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 361,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 362,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 363,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 6.359,
      "typing_delay": 4.642,
      "typing_duration": 7.234,
      "wpm": 25,
      "message": "ถ้าเรารู้ a5"
    },
    {
      "message_id": 364,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 365,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 366,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 367,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.028,
      "typing_delay": 0.971,
      "typing_duration": 14.897,
      "wpm": 42,
      "message": "เพราะฉะนั้น a23 ของเราน่ะครับ ก็เท่ากับ a5 "
    },
    {
      "message_id": 368,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 369,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 370,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 371,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.096,
      "typing_delay": 0.903,
      "typing_duration": 11.574,
      "wpm": 29,
      "message": "เราก็นับว่า คูณ r1 ตัว"
    },
    {
      "message_id": 372,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 373,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 374,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 375,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.356,
      "typing_delay": 0.645,
      "typing_duration": 7.859,
      "wpm": 38,
      "message": "ก็คือเลขจากตรงนี้เลย"
    },
    {
      "message_id": 376,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 377,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 378,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 379,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 10.476,
      "typing_delay": 0.521,
      "typing_duration": 11.303,
      "wpm": 45,
      "message": "เราลองมาฝึกทำโจทย์กันเล็ก ๆ น้อย ๆ "
    },
    {
      "message_id": 380,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 381,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 382,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 383,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 6.934,
      "typing_delay": 4.065,
      "typing_duration": 10.535,
      "wpm": 23,
      "message": "จงหา 5 พจน์ถัดไป"
    },
    {
      "message_id": 384,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 385,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 386,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 387,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.568,
      "typing_delay": 0.43,
      "typing_duration": 9.623,
      "wpm": 50,
      "message": "ไป 6 นี่ เขาบอกเป็นลำดับเลขาคณิต"
    },
    {
      "message_id": 388,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 389,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 390,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 391,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.26,
      "typing_delay": 0.739,
      "typing_duration": 9.263,
      "wpm": 63,
      "message": "ใช่ไหม ได้ 6 นะครับ ซึ่ง 6 คูณ 2 ได้ 12"
    },
    {
      "message_id": 392,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 393,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 394,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 395,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.383,
      "typing_delay": 0.616,
      "typing_duration": 12.569,
      "wpm": 55,
      "message": "เพราะทุกตัวทุกลำดับนะครับ คูณด้วย เลข 2 หมดเลย"
    },
    {
      "message_id": 396,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 397,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 398,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 399,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.036,
      "typing_delay": 0.965,
      "typing_duration": 8.978,
      "wpm": 52,
      "message": "48 นะ นี่ คือ คำตอบที่ 1 ของเรา"
    },
    {
      "message_id": 400,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 401,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 402,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 403,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.676,
      "typing_delay": 1.322,
      "typing_duration": 11.126,
      "wpm": 47,
      "message": "ทด 1 นะ ได้ 192 คูณ 2 ไปอีก ได้เป็น "
    },
    {
      "message_id": 404,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 405,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 406,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 407,
      "agent_id": 29,
      "delay": 10.995,
      "onscreen_delay": 10.553,
      "typing_delay": 0.442,
      "typing_duration": 12.162,
      "wpm": 36,
      "message": "867 ใช่ไหม ดังนั้นคำตอบของเรา"
    },
    {
      "message_id": 408,
      "agent_id": 2,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 409,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 410,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 411,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.581,
      "typing_delay": 1.418,
      "typing_duration": 6.576,
      "wpm": 55,
      "message": "ทีนี้ต่อมา ตัวอย่างที่ 2 "
    },
    {
      "message_id": 412,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 413,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 414,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 415,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.599,
      "typing_delay": 0.4,
      "typing_duration": 10.687,
      "wpm": 53,
      "message": "เท่ากับ 5ส่วน 3 และ r เท่ากับ 5 ส่วน 3"
    },
    {
      "message_id": 416,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 417,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 418,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 419,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.146,
      "typing_delay": 0.856,
      "typing_duration": 7.415,
      "wpm": 67,
      "message": "พี่เขียนเป้นสูตรทดไว้ให้เราก่อนนะ"
    },
    {
      "message_id": 420,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 421,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 422,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 423,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.67,
      "typing_delay": 1.329,
      "typing_duration": 7.287,
      "wpm": 45,
      "message": "คูณ r ยกกำลัง 4 ใช่ไหม"
    },
    {
      "message_id": 424,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 425,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 426,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 427,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.569,
      "typing_delay": 0.432,
      "typing_duration": 6.198,
      "wpm": 58,
      "message": "เข้าใจมากกว่าการจำสูตรนะ"
    },
    {
      "message_id": 428,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 429,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 430,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 431,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.428,
      "typing_delay": 0.574,
      "typing_duration": 7.856,
      "wpm": 53,
      "message": "3 กำลัง 4 นะครับ เพราะฉะนั้น"
    },
    {
      "message_id": 432,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 433,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 434,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 435,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.125,
      "typing_delay": 0.874,
      "typing_duration": 8.025,
      "wpm": 54,
      "message": "27 นะครับ 5 คูณ 27 เป็นเท่าไร"
    },
    {
      "message_id": 436,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 437,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 438,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 439,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 7.43,
      "typing_delay": 3.569,
      "typing_duration": 12.999,
      "wpm": 35,
      "message": "ข้อต่อมาเขาบอกว่าจงหาพจน์ต่อไป"
    },
    {
      "message_id": 440,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 441,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 442,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 443,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.392,
      "typing_delay": 0.61,
      "typing_duration": 4.513,
      "wpm": 50,
      "message": "นะครับ 4 ตัวนี้"
    },
    {
      "message_id": 444,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 445,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 446,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 447,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.361,
      "typing_delay": 0.641,
      "typing_duration": 7.806,
      "wpm": 42,
      "message": "r กำลัง n-1 ถูกไหมครับ "
    },
    {
      "message_id": 448,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 449,
      "agent_id": 3,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 450,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 451,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 9.106,
      "typing_delay": 1.897,
      "typing_duration": 6.898,
      "wpm": 30,
      "message": "r คือ เท่าไร 3 "
    },
    {
      "message_id": 452,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 453,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 454,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 455,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.488,
      "typing_delay": 0.512,
      "typing_duration": 9.844,
      "wpm": 52,
      "message": "ได้ 48 แสดง่วา r น่าจะได้เท่านี้ละ"
    },
    {
      "message_id": 456,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 457,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 458,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 459,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.491,
      "typing_delay": 0.509,
      "typing_duration": 8.476,
      "wpm": 55,
      "message": "เพราะฉะนั้นพจน์ทั่วไปของเลขคณิต"
    },
    {
      "message_id": 460,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 461,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 462,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 463,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.683,
      "typing_delay": 0.318,
      "typing_duration": 7.28,
      "wpm": 47,
      "message": "หรือว่าเราจะแยกมันออกมา"
    },
    {
      "message_id": 464,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 465,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 466,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 467,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.695,
      "typing_delay": 0.304,
      "typing_duration": 5.202,
      "wpm": 66,
      "message": "หารนะครับ คือ หารด้วย 4"
    },
    {
      "message_id": 468,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 469,
      "agent_id": 3,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 470,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 471,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.166,
      "typing_delay": 0.833,
      "typing_duration": 8.499,
      "wpm": 67,
      "message": "นะครับ สามารถตอบได้ทั้ง 2 แบบเลยนะครับ "
    },
    {
      "message_id": 472,
      "agent_id": 2,
      "delay": 15.007,
      "onscreen_delay": 0,
      "typing_delay": 15.007,
      "typing_duration": 15.007,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 473,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 474,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 475,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 7.109,
      "typing_delay": 3.889,
      "typing_duration": 8.982,
      "wpm": 43,
      "message": "สำหรับตัวอย่างที่ 4 นะครับ "
    },
    {
      "message_id": 476,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 477,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 478,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 479,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.872,
      "typing_delay": 1.126,
      "typing_duration": 7.913,
      "wpm": 61,
      "message": "สลับกันเฉยเลย หมายความว่าอะไรน่ะ"
    },
    {
      "message_id": 480,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 481,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 482,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 483,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.521,
      "typing_delay": 0.477,
      "typing_duration": 12.658,
      "wpm": 43,
      "message": "หาตัว r ตัวผลต่างร่วม ผลต่างส่วนร่วม"
    },
    {
      "message_id": 484,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 485,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 486,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 487,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.732,
      "typing_delay": 1.268,
      "typing_duration": 8.486,
      "wpm": 49,
      "message": "เพราะฉะนั้น -9 คูณด้วยเท่าไร"
    },
    {
      "message_id": 488,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 489,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 490,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 491,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.202,
      "typing_delay": 1.798,
      "typing_duration": 9.601,
      "wpm": 37,
      "message": "r ข้อนี้ คือ -3 เราเขียน "
    },
    {
      "message_id": 492,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 493,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 494,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 495,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.756,
      "typing_delay": 1.243,
      "typing_duration": 12.988,
      "wpm": 25,
      "message": "คูณกับ r ก็คือ 3 -3 -3 "
    },
    {
      "message_id": 496,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 497,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 498,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 499,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.357,
      "typing_delay": 0.642,
      "typing_duration": 10.277,
      "wpm": 41,
      "message": "การใช้สูตรแล้ว ถ้าอยากให้สวย"
    },
    {
      "message_id": 500,
      "agent_id": 2,
      "delay": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 501,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 502,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 503,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.608,
      "typing_delay": 1.393,
      "typing_duration": 9.433,
      "wpm": 46,
      "message": "an เท่ากับ - ของ -3 ยกกำลัง n"
    },
    {
      "message_id": 504,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 505,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 506,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 507,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 7.312,
      "typing_delay": 3.686,
      "typing_duration": 7.285,
      "wpm": 35,
      "message": "ตัวแบบล่างน่ะครับ "
    },
    {
      "message_id": 508,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 509,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 510,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 511,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.274,
      "typing_delay": 0.725,
      "typing_duration": 10.443,
      "wpm": 56,
      "message": "แล้วมาคุณ ลบอีกทีเอามาคุณข้างหน้านะครับ "
    },
    {
      "message_id": 512,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 513,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 514,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 515,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.011,
      "typing_delay": 0.991,
      "typing_duration": 5.47,
      "wpm": 44,
      "message": "4 8 16 32 นะครับ "
    },
    {
      "message_id": 516,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 517,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 518,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 519,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.056,
      "typing_delay": 1.943,
      "typing_duration": 14.129,
      "wpm": 36,
      "message": "8 คูณ 2 ก็ได้ 16 16 คูณ 2 ก็ได้ 36 "
    },
    {
      "message_id": 520,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 521,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 522,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 523,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.014,
      "typing_delay": 0.985,
      "typing_duration": 9.593,
      "wpm": 58,
      "message": "คูณ อีก 6 ทีก็ได้ตัวที่ 10 แล้วนะครับ"
    },
    {
      "message_id": 524,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 525,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 526,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 527,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.366,
      "typing_delay": 0.634,
      "typing_duration": 7.139,
      "wpm": 57,
      "message": "เรารู้แล้ว ว่า A1 เท่ากับ 4"
    },
    {
      "message_id": 528,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 529,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 530,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 531,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.289,
      "typing_delay": 0.71,
      "typing_duration": 10.575,
      "wpm": 72,
      "message": "9 นะครับ เพราะฉะนั้น a10 ของเรานี่ เท่ากับ 4 นะครับ "
    },
    {
      "message_id": 532,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 533,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 534,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 535,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.569,
      "typing_delay": 0.431,
      "typing_duration": 6.932,
      "wpm": 54,
      "message": "เลยก็ได้นะครับ ได้ทั้งคู่"
    },
    {
      "message_id": 536,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 537,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 538,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 539,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.42,
      "typing_delay": 0.582,
      "typing_duration": 6.612,
      "wpm": 41,
      "message": "นะครับ เพราะฉะนั้น "
    },
    {
      "message_id": 540,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 541,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 542,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 543,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.368,
      "typing_delay": 0.634,
      "typing_duration": 7.694,
      "wpm": 57,
      "message": "ยกกำลัง 10 มันได้ 1024 ใช่ไหม"
    },
    {
      "message_id": 544,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 545,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 546,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 547,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.75,
      "typing_delay": 1.251,
      "typing_duration": 8.864,
      "wpm": 36,
      "message": "ในการสอบ o-net นะครับ "
    },
    {
      "message_id": 548,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 549,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 550,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 551,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 8.849,
      "typing_delay": 2.152,
      "typing_duration": 6.399,
      "wpm": 59,
      "message": "ต่อมาตัวอย่างที่ 6 นะครับ "
    },
    {
      "message_id": 552,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 553,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 554,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 555,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.908,
      "typing_delay": 1.092,
      "typing_duration": 5.653,
      "wpm": 58,
      "message": "เขาอยากรู้พจน์ทั่วไปนะ"
    },
    {
      "message_id": 556,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 557,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 558,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 559,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.981,
      "typing_delay": 1.02,
      "typing_duration": 7.42,
      "wpm": 46,
      "message": "สักอย่าง a1 เราก็ไม่รู้"
    },
    {
      "message_id": 560,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 561,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 562,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 563,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.517,
      "typing_delay": 1.482,
      "typing_duration": 12.05,
      "wpm": 50,
      "message": "ทีนี้เรารุ้แล้ว a3 นี่ต้องเอาไปคูณด้วย r"
    },
    {
      "message_id": 564,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 565,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 566,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 567,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.531,
      "typing_delay": 0.469,
      "typing_duration": 14.27,
      "wpm": 38,
      "message": "คูณ 1 ตัวได้ 4 2 ตัวได้ 5 3 ตัวได้ 6"
    },
    {
      "message_id": 568,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 569,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 570,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 571,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.333,
      "typing_delay": 0.667,
      "typing_duration": 8.494,
      "wpm": 55,
      "message": "ของเรา คือ 12 คูณด้วย r กำลัง 3"
    },
    {
      "message_id": 572,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 573,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 574,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 575,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.371,
      "typing_delay": 0.627,
      "typing_duration": 8.634,
      "wpm": 17,
      "message": "72 12 7 84"
    },
    {
      "message_id": 576,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 577,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 578,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 579,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.608,
      "typing_delay": 1.39,
      "typing_duration": 8.157,
      "wpm": 31,
      "message": "r กำลัง 3 เท่ากับ"
    },
    {
      "message_id": 580,
      "agent_id": 2,
      "delay": 15.001,
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      "message": ""
    },
    {
      "message_id": 581,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 582,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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    {
      "message_id": 583,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.733,
      "typing_delay": 1.266,
      "typing_duration": 13.176,
      "wpm": 49,
      "message": "a1 ก่อนนะครับ ทีนี้เราได้ r ใน ข้อนี้มาแล้ว"
    },
    {
      "message_id": 584,
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      "delay": 15.001,
      "onscreen_delay": 0,
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      "message": ""
    },
    {
      "message_id": 585,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
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    },
    {
      "message_id": 586,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
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      "typing_duration": 15.003,
      "wpm": 0,
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    {
      "message_id": 587,
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      "delay": 11.003,
      "onscreen_delay": 10.293,
      "typing_delay": 0.71,
      "typing_duration": 7.396,
      "wpm": 59,
      "message": "ถูกไหม a3 คือ 12 a1 เราไม่รู้"
    },
    {
      "message_id": 588,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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    },
    {
      "message_id": 589,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 590,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 591,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.648,
      "typing_delay": 0.351,
      "typing_duration": 11.235,
      "wpm": 53,
      "message": "เท่ากับ 3 นะ เราได้ a1 กับได้ r มาแล้วนะ"
    },
    {
      "message_id": 592,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 593,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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    },
    {
      "message_id": 594,
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      "delay": 15.001,
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    {
      "message_id": 595,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.287,
      "typing_delay": 0.713,
      "typing_duration": 13.046,
      "wpm": 29,
      "message": "เท่ากับ 3 ส่วน 2 คูณได้ 3"
    },
    {
      "message_id": 596,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
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    },
    {
      "message_id": 597,
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      "delay": 15.001,
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      "typing_duration": 15.001,
      "wpm": 0,
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    {
      "message_id": 598,
      "agent_id": 4,
      "delay": 15.003,
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      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 599,
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      "delay": 11.002,
      "onscreen_delay": 6.301,
      "typing_delay": 4.701,
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    {
      "message_id": 600,
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    {
      "message_id": 601,
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      "delay": 15.004,
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      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
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    {
      "message_id": 602,
      "agent_id": 4,
      "delay": 15.001,
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    {
      "message_id": 603,
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      "message_id": 604,
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      "message_id": 606,
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}