{
  "average_delay": 13.89,
  "average_delay_with_out_empty_turn": 11,
  "average_onscreen_delay": 2.099,
  "average_typing_delay": 11.792,
  "average_typing_duration": 13.754,
  "average_wpm": 11,
  "average_wpm_with_out_empty_turn": 51,
  "agents": [
    {
      "agent_id": 2,
      "average_delay": 14.692,
      "average_delay_with_out_empty_turn": 0,
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      "agent_id": 4,
      "average_delay": 14.668,
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      "agent_id": 29,
      "average_delay": 11.389,
      "average_delay_with_out_empty_turn": 11,
      "average_onscreen_delay": 8.716,
      "average_typing_delay": 2.673,
      "average_typing_duration": 10.82,
      "average_wpm": 44,
      "average_wpm_with_out_empty_turn": 51
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    {
      "message_id": 0,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
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      "message_id": 1,
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      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
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      "message": ""
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      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
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      "message_id": 3,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
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    },
    {
      "message_id": 4,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 5,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 6,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 7,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.504,
      "typing_delay": 0.497,
      "typing_duration": 8.678,
      "wpm": 78,
      "message": "เนื้อหาของวันนี้นะคะ ครั้งที่แล้ว ครั้งที่ 23"
    },
    {
      "message_id": 8,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 9,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 10,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 11,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.228,
      "typing_delay": 0.774,
      "typing_duration": 6.951,
      "wpm": 47,
      "message": "กันที่ข้อ 1 นะคะ ข้อ 1 "
    },
    {
      "message_id": 12,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 13,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 14,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 15,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.316,
      "typing_delay": 0.682,
      "typing_duration": 12.749,
      "wpm": 51,
      "message": "เมื่อเป็นลำดับเลขาคณิตแล้วจะเป็นส่วนร่วมค่ะ "
    },
    {
      "message_id": 16,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 17,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 18,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 19,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.34,
      "typing_delay": 0.66,
      "typing_duration": 14.818,
      "wpm": 42,
      "message": "ข้อ 4 เป็นลำดับเลขาคณิตที่มีอัตราส่วนร่วม"
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 22,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 23,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.857,
      "typing_delay": 1.143,
      "typing_duration": 14.867,
      "wpm": 30,
      "message": "เลขาคณิตจะเป็นอัตราส่วนร่วมค่ะ "
    },
    {
      "message_id": 24,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 25,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 26,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 27,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.288,
      "typing_delay": 0.713,
      "typing_duration": 10.264,
      "wpm": 60,
      "message": "นักเรียนจะได้ทราบพจน์ทั่วไปของเลขาคณิตค่ะ "
    },
    {
      "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": 11,
      "onscreen_delay": 10.053,
      "typing_delay": 0.947,
      "typing_duration": 14.472,
      "wpm": 30,
      "message": "+1 หารด้วย พจน์ an จะได้ค่า r "
    },
    {
      "message_id": 32,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 35,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.753,
      "typing_delay": 0.246,
      "typing_duration": 12.013,
      "wpm": 36,
      "message": "an = a1 คูณด้วย rn ยกกำลัง -1"
    },
    {
      "message_id": 36,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 11,
      "onscreen_delay": 10.337,
      "typing_delay": 0.663,
      "typing_duration": 9.299,
      "wpm": 63,
      "message": "เริ่มกันที่ข้อแรกกันเลยดีกว่า ข้อ 1 ค่ะ "
    },
    {
      "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": 10.999,
      "onscreen_delay": 10.715,
      "typing_delay": 0.284,
      "typing_duration": 11.097,
      "wpm": 35,
      "message": "อะไรมาข้อนี้โจทย์กำหนด r-8 "
    },
    {
      "message_id": 44,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 45,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 46,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 47,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.852,
      "typing_delay": 0.148,
      "typing_duration": 13.328,
      "wpm": 36,
      "message": "ด้วย -8 ผลลัพธ์ข้องค่านี้ คือ -8"
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 50,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 51,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.191,
      "typing_delay": 0.81,
      "typing_duration": 7.607,
      "wpm": 73,
      "message": "พอเราจำสูตรพจน์ทั่วไปแล้วแทนค่าเลยค่ะ "
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 10.182,
      "typing_delay": 0.818,
      "typing_duration": 9.331,
      "wpm": 51,
      "message": "ข้อนี้ได้ a10 เป็น 4096 สรุปนะคะ "
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 59,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.672,
      "typing_delay": 0.327,
      "typing_duration": 10.105,
      "wpm": 39,
      "message": "ของลำดับเลขาคณิตที่มี a2 = "
    },
    {
      "message_id": 60,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 63,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.399,
      "typing_delay": 0.602,
      "typing_duration": 6.659,
      "wpm": 61,
      "message": "ค่า r นะคะ ก่อนที่เราจะไปทำ "
    },
    {
      "message_id": 64,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 10.059,
      "typing_delay": 0.94,
      "typing_duration": 7.705,
      "wpm": 55,
      "message": "เขียนสูตรพจน์ทั่วไปก่อน an = "
    },
    {
      "message_id": 68,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 69,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 70,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 71,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.368,
      "typing_delay": 0.632,
      "typing_duration": 8.114,
      "wpm": 55,
      "message": "จะทำเราจะต้องหาค่า a1 ก่อนนะคะ "
    },
    {
      "message_id": 72,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 75,
      "agent_id": 29,
      "delay": 10.995,
      "onscreen_delay": 10.317,
      "typing_delay": 0.678,
      "typing_duration": 9.922,
      "wpm": 53,
      "message": "เศษ 16 ส่วน 3 เข้าไปค่ะ ก็จะได้เป็น "
    },
    {
      "message_id": 76,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 77,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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,
      "onscreen_delay": 9.926,
      "typing_delay": 1.074,
      "typing_duration": 9.467,
      "wpm": 57,
      "message": "นะคะ ยังมีอีกค่ะ โจทย์กำหนด a7 มาให้ "
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 82,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 83,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.101,
      "typing_delay": 0.899,
      "typing_duration": 13.171,
      "wpm": 75,
      "message": "เท่ากับ a1 คูณด้วย r ติดเหมือนกันค่ะ ทำอะไรไม่ได้ให้เป็นสมการที่ 2"
    },
    {
      "message_id": 84,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 85,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 86,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 87,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.254,
      "typing_delay": 0.746,
      "typing_duration": 10.14,
      "wpm": 65,
      "message": "a1 และ r ครูจะนำสมการ 2 สมการนี้มาหารกันนะคะ "
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 91,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.098,
      "typing_delay": 0.901,
      "typing_duration": 11.115,
      "wpm": 67,
      "message": "6 หารด้วย a1r พอมาถึงตรงนี้แล้วเราจะต้องใช้ความรู้"
    },
    {
      "message_id": 92,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 93,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 94,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 95,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.247,
      "typing_delay": 0.753,
      "typing_duration": 8.699,
      "wpm": 55,
      "message": "ดังนั้นทางขวาจะเหลือ r ยกกำลัง 5 "
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 98,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 99,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.193,
      "typing_delay": 1.806,
      "typing_duration": 11.101,
      "wpm": 58,
      "message": "3 ยกกำลัง 4 แล้ว 16 สามารถเขียนได้เหมือนกัน "
    },
    {
      "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": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 103,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.215,
      "typing_delay": 0.787,
      "typing_duration": 10.352,
      "wpm": 41,
      "message": "เมื่อนำ 2 คูณกับ 2 ยกกำลัง 4 "
    },
    {
      "message_id": 104,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 107,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.091,
      "typing_delay": 0.908,
      "typing_duration": 11.319,
      "wpm": 64,
      "message": "เมื่อเลขชี้กำลังของเราเท่ากันแล้ว เราสามารถนำฐาน"
    },
    {
      "message_id": 108,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 109,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 110,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 111,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.607,
      "typing_delay": 1.394,
      "typing_duration": 7.122,
      "wpm": 27,
      "message": "อัตราส่วนร่วม "
    },
    {
      "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": 10.003,
      "typing_delay": 0.996,
      "typing_duration": 14.548,
      "wpm": 12,
      "message": "= -81 ส่วน 8"
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 119,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.25,
      "typing_delay": 0.75,
      "typing_duration": 11.659,
      "wpm": 53,
      "message": "จะแทนค่าเราต้องหาค่า 2 ตัวนี้ออกมาก่อนค่ะ "
    },
    {
      "message_id": 120,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 121,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 122,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 123,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.06,
      "typing_delay": 0.939,
      "typing_duration": 12.326,
      "wpm": 61,
      "message": "ซึ่งมีค่าเป็น 3 นักเรียนสามารถแทนค่าออกไปได้เลยค่ะ "
    },
    {
      "message_id": 124,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 127,
      "agent_id": 29,
      "delay": 11.003,
      "onscreen_delay": 10.172,
      "typing_delay": 0.831,
      "typing_duration": 8.224,
      "wpm": 67,
      "message": "สมากรนี้ติดเรียบร้อยแล้ว ทำอะไรไม่ได้"
    },
    {
      "message_id": 128,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 129,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 130,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 131,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.413,
      "typing_delay": 0.588,
      "typing_duration": 14.165,
      "wpm": 55,
      "message": "ส่วน 8 ทำเหมือนเดิมค่ะ นักเรียนเขียนในรูป a5 ก่อนค่ะ "
    },
    {
      "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": 10.099,
      "typing_delay": 0.901,
      "typing_duration": 10.574,
      "wpm": 50,
      "message": "ฉะนั้นเราจะได้ สมการ คือ -81 ส่วน 8 "
    },
    {
      "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": 10.602,
      "typing_delay": 0.398,
      "typing_duration": 8.432,
      "wpm": 48,
      "message": "มี 2 สมการนะคะ เราจะมีสมการ"
    },
    {
      "message_id": 140,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 141,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 10.998,
      "onscreen_delay": 10.478,
      "typing_delay": 0.52,
      "typing_duration": 5.526,
      "wpm": 62,
      "message": "เศษ 81 ส่วน 8 หารด้วย 3 "
    },
    {
      "message_id": 144,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 147,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.126,
      "typing_delay": 1.874,
      "typing_duration": 5.894,
      "wpm": 36,
      "message": "81 ส่วน ด้วย 8"
    },
    {
      "message_id": 148,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 149,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 150,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 151,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.212,
      "typing_delay": 0.787,
      "typing_duration": 15,
      "wpm": 21,
      "message": "27 ส่วน 8 = r ยกกำลัง"
    },
    {
      "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": 9.459,
      "typing_delay": 1.54,
      "typing_duration": 10.845,
      "wpm": 48,
      "message": "- เศษ 3 ส่วน 2 เมื่อเราได้ r มาแล้ว"
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 158,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 159,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.85,
      "typing_delay": 1.15,
      "typing_duration": 12.872,
      "wpm": 83,
      "message": "แทนในสมการไหนก็ได้นะคะ ไม่ว่าจะเป็นสมการที่ 1 หรือ สมการที่ 2 ก็ได้นะคะ"
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 162,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 163,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.506,
      "typing_delay": 0.493,
      "typing_duration": 15.001,
      "wpm": 51,
      "message": "- เศษ 3 ส่วน 2 แล้วแกสมการนะคะ ข้อนี้จะได้ เศษ 3 ส่"
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 167,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.471,
      "typing_delay": 0.529,
      "typing_duration": 13.268,
      "wpm": 51,
      "message": "a8 ค่ะ แทนค่า a8 ลงไปในพจน์ทั่วไปของเราได้ลเย"
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 170,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 171,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.394,
      "typing_delay": 0.606,
      "typing_duration": 9.812,
      "wpm": 46,
      "message": "เลขนะคะ คิดเลขอย่างเดียวเลยค่ะ "
    },
    {
      "message_id": 172,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 175,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.515,
      "typing_delay": 0.485,
      "typing_duration": 9.218,
      "wpm": 39,
      "message": "เป็นเศษ 2187 ส่วนด้วย 84"
    },
    {
      "message_id": 176,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 177,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 10.543,
      "typing_delay": 0.456,
      "typing_duration": 8.604,
      "wpm": 51,
      "message": "มาก่อนจึงจะแทนไปได้ ข้อ 4 ค่ะ"
    },
    {
      "message_id": 180,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 11,
      "onscreen_delay": 10.232,
      "typing_delay": 0.768,
      "typing_duration": 11.19,
      "wpm": 48,
      "message": "วิธีการ ก็คือ เขียนพจน์ทั่วไปก่อนค่ะ "
    },
    {
      "message_id": 184,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 187,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.437,
      "typing_delay": 0.564,
      "typing_duration": 10.392,
      "wpm": 43,
      "message": "นำพจน์ที่อยู่ติดกัน นำพจน์หน้า"
    },
    {
      "message_id": 188,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 191,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.414,
      "typing_delay": 0.585,
      "typing_duration": 10.956,
      "wpm": 55,
      "message": "a1 มี r แล้ว และข้อนี้โจทย์ให้ an มาด้วย"
    },
    {
      "message_id": 192,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 11,
      "onscreen_delay": 10.363,
      "typing_delay": 0.637,
      "typing_duration": 14.107,
      "wpm": 36,
      "message": "ด้วย 3 ยกกำลัง n-1 แก้สมการ n นะคะ "
    },
    {
      "message_id": 196,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 199,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.374,
      "typing_delay": 0.626,
      "typing_duration": 9.224,
      "wpm": 63,
      "message": "729 ให้กลายเป็นเลขยกกำลังที่มีฐานเป็น 3 "
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 202,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 203,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.843,
      "typing_delay": 1.157,
      "typing_duration": 5.543,
      "wpm": 43,
      "message": "ฐานเหมือนกันแล้ว "
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 206,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 207,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.733,
      "typing_delay": 0.266,
      "typing_duration": 13.355,
      "wpm": 53,
      "message": "สรุป ก็คือ 243 เป็นเลขลำดับที่ 3 ของเลขาคณิตค่ะ "
    },
    {
      "message_id": 208,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 209,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "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": 11,
      "onscreen_delay": 10.065,
      "typing_delay": 0.935,
      "typing_duration": 8.744,
      "wpm": 48,
      "message": "24 ส่วน 7 เป็นพจน์ 2 พจน์ของ"
    },
    {
      "message_id": 212,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 213,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 214,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 215,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.615,
      "typing_delay": 1.384,
      "typing_duration": 8.257,
      "wpm": 33,
      "message": "นะคะ ครูจะสมมติให้"
    },
    {
      "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": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 218,
      "agent_id": 4,
      "delay": 15.008,
      "onscreen_delay": 0,
      "typing_delay": 15.008,
      "typing_duration": 15.008,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 219,
      "agent_id": 29,
      "delay": 11.006,
      "onscreen_delay": 10.316,
      "typing_delay": 0.69,
      "typing_duration": 11.28,
      "wpm": 48,
      "message": "3 พจน์นี้ครูต้องการให้พจน์แรกเป็น a1 "
    },
    {
      "message_id": 220,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 221,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 10.587,
      "typing_delay": 0.413,
      "typing_duration": 8.813,
      "wpm": 53,
      "message": "ก็คือเมื่อนำพจน์ที่ติดกันมาแล้ว"
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 227,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.351,
      "typing_delay": 0.648,
      "typing_duration": 7.427,
      "wpm": 97,
      "message": "พอเราเขียนได้แบบนี้แล้ว แทนค่าทุกอย่างลงไปเลยค่ะ "
    },
    {
      "message_id": 228,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 229,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 230,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 231,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.357,
      "typing_delay": 0.644,
      "typing_duration": 8.223,
      "wpm": 69,
      "message": "สมการนี้นะคะ มีคัวแปรอยู่เพียงตัวเดียว"
    },
    {
      "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": 10.999,
      "onscreen_delay": 10.294,
      "typing_delay": 0.705,
      "typing_duration": 10.17,
      "wpm": 40,
      "message": "ส่วน 3 ขึ้นมาคูณตรงฝั่งซ้าย"
    },
    {
      "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": 10.999,
      "onscreen_delay": 10.346,
      "typing_delay": 0.653,
      "typing_duration": 7.762,
      "wpm": 70,
      "message": "ของข้อนี้มี 2 ค่านะคะ x ที่เป็นไปได้"
    },
    {
      "message_id": 240,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 243,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.28,
      "typing_delay": 0.718,
      "typing_duration": 9.017,
      "wpm": 62,
      "message": "นะคะ ข้อ 6 โจทย์ข้อนี้กำหนดลำดับมาให้"
    },
    {
      "message_id": 244,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 247,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.537,
      "typing_delay": 0.462,
      "typing_duration": 12.923,
      "wpm": 51,
      "message": "และ x4 เป็นเท่าใด ข้อนี้มีทั้งหมด 4 คำตอบเลย"
    },
    {
      "message_id": 248,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 249,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 250,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 251,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.088,
      "typing_delay": 0.911,
      "typing_duration": 12.814,
      "wpm": 53,
      "message": "243 วิธีการทำ ก็คือถ้านักเรียนใช้วิธีเดียวกัน"
    },
    {
      "message_id": 252,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 253,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 254,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 255,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.093,
      "typing_delay": 0.907,
      "typing_duration": 8.933,
      "wpm": 49,
      "message": "ทั่วไปดีกว่า การใช้พจน์ทั่วไป"
    },
    {
      "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": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 258,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 259,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.729,
      "typing_delay": 0.271,
      "typing_duration": 10.025,
      "wpm": 58,
      "message": "มีค่าเป็น 243 ค่ะ ใช้ a6 มาคิดคำนวณนะคะ "
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 262,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 263,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.569,
      "typing_delay": 0.431,
      "typing_duration": 10.409,
      "wpm": 40,
      "message": "ออกมานะคะ ดังนั้น r ยกกลัง 5 "
    },
    {
      "message_id": 264,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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,
      "onscreen_delay": 10.557,
      "typing_delay": 0.443,
      "typing_duration": 9.873,
      "wpm": 64,
      "message": "สรุปข้อนี้นะคะ ค่า r เราจะได้ค่าเป็น 3 ค่ะ "
    },
    {
      "message_id": 268,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 271,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.609,
      "typing_delay": 0.392,
      "typing_duration": 8.64,
      "wpm": 61,
      "message": "คือ พจน์ที่ 2 ดังนั้นการหาพจน์ที่ 2 "
    },
    {
      "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": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 275,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.505,
      "typing_delay": 0.497,
      "typing_duration": 8.167,
      "wpm": 50,
      "message": "การนำพจน์ที่ 2 คุณด้วยค่า r "
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 278,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 279,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.23,
      "typing_delay": 0.768,
      "typing_duration": 5.825,
      "wpm": 54,
      "message": "x4 เราก็จะนำค่าของ x3 "
    },
    {
      "message_id": 280,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 281,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 282,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 283,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 9.774,
      "typing_delay": 1.227,
      "typing_duration": 7.757,
      "wpm": 62,
      "message": "ความรู้ที่ได้ในตอนที่ 24 นี้นะคะ "
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 287,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.328,
      "typing_delay": 0.673,
      "typing_duration": 9.81,
      "wpm": 58,
      "message": "ที่อยู่ติดกันนำพจน์หลังหารด้วยพจน์หน้า "
    },
    {
      "message_id": 288,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 11,
      "onscreen_delay": 10.171,
      "typing_delay": 0.829,
      "typing_duration": 8.029,
      "wpm": 34,
      "message": "a1 คุณ r ยกกลัง -n"
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 294,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 295,
      "agent_id": 29,
      "delay": 11.002,
      "onscreen_delay": 10.345,
      "typing_delay": 0.657,
      "typing_duration": 6.561,
      "wpm": 41,
      "message": "a1 a2 และ a3 มาให้"
    },
    {
      "message_id": 296,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 299,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.171,
      "typing_delay": 0.83,
      "typing_duration": 9.19,
      "wpm": 46,
      "message": "นะคะ a2 ตรงกับข้อใดในนี้นะคะ "
    },
    {
      "message_id": 300,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 11.001,
      "onscreen_delay": 10.092,
      "typing_delay": 0.909,
      "typing_duration": 5.345,
      "wpm": 51,
      "message": "เรียนค่ะ สวัสดีค่ะ "
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 307,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.029,
      "typing_delay": 0.97,
      "typing_duration": 15.001,
      "wpm": 42,
      "message": "2 - 6 แล้วก็ 18 นะครับ พี่ให้เวลา 2 นาทีนะ"
    },
    {
      "message_id": 308,
      "agent_id": 2,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 309,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 310,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 311,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 312,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 313,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 314,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 315,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "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": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 319,
      "agent_id": 29,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 320,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 321,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 10.458,
      "typing_delay": 0.543,
      "typing_duration": 8.155,
      "wpm": 55,
      "message": "ได้หรือเปล่านะผ่านไปแล้ว  นาที"
    },
    {
      "message_id": 328,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 329,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 330,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 331,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 5.517,
      "typing_delay": 5.482,
      "typing_duration": 10.561,
      "wpm": 31,
      "message": "บางคนอาจจะคิดออกแล้วนะ"
    },
    {
      "message_id": 336,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 337,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 338,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 339,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 343,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.615,
      "typing_delay": 1.384,
      "typing_duration": 12.903,
      "wpm": 45,
      "message": "อ่านให้ชินนะครับ ว่าเป็นลำดับแบบไหนก่อน"
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 11.001,
      "onscreen_delay": 10.355,
      "typing_delay": 0.646,
      "typing_duration": 9.658,
      "wpm": 64,
      "message": "ถูกต้องเพราะฉะนั้น r เราได้เป็น -3 นะครับ "
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 351,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.478,
      "typing_delay": 0.521,
      "typing_duration": 12.365,
      "wpm": 49,
      "message": "n นี่ เท่ากับเท่าไร นะครับ เท่ากับเท่าไร"
    },
    {
      "message_id": 352,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 353,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "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": 10.999,
      "onscreen_delay": 8.939,
      "typing_delay": 2.06,
      "typing_duration": 14.468,
      "wpm": 39,
      "message": "ลบ ๆ เรารู้ r แล้ว ก็ได้เป็น -3 นะครับ "
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 358,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 359,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.958,
      "typing_delay": 1.042,
      "typing_duration": 14.651,
      "wpm": 37,
      "message": "-3 ยกกำลัง n -1 นะครับ จะได้เป็นอะไร"
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 363,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.894,
      "typing_delay": 1.105,
      "typing_duration": 6.854,
      "wpm": 94,
      "message": "3 กำลัง 4 ใช่ไหมครับ จริง ๆ แล้วเป็นเลขอะไร"
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 10.766,
      "typing_delay": 0.233,
      "typing_duration": 12.547,
      "wpm": 57,
      "message": "ยกกำลังให้มันเท่ากันด้วย ทั้ง 2 ฝั่งจะได้เท่ากัน"
    },
    {
      "message_id": 368,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 10.074,
      "typing_delay": 0.925,
      "typing_duration": 14.34,
      "wpm": 42,
      "message": "12 นี่เป็น พจน์ที่ 5 นั่นเอง สำหรับข้อ 1 "
    },
    {
      "message_id": 372,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "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,
      "onscreen_delay": 9.069,
      "typing_delay": 1.931,
      "typing_duration": 10.589,
      "wpm": 54,
      "message": "มาดูข้อ 2 กันว่ายากแค่ไหน ถ้าพจน์ที่ 2 "
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 378,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 379,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.491,
      "typing_delay": 0.509,
      "typing_duration": 14.661,
      "wpm": 40,
      "message": "พอนะ เพราะเราเคยทำแพทเทิร์นแบบนี้มาแล้ว"
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "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": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 384,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 10.999,
      "onscreen_delay": 9.178,
      "typing_delay": 1.821,
      "typing_duration": 8.307,
      "wpm": 27,
      "message": "เสร็จ หาอย่างไร"
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 391,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.675,
      "typing_delay": 0.326,
      "typing_duration": 5.151,
      "wpm": 64,
      "message": "ก็ได้นะครับ ได้ 2แบบนะ"
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 395,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 6.921,
      "typing_delay": 4.08,
      "typing_duration": 8.667,
      "wpm": 29,
      "message": "หมดเวลาแล้วนะครับ "
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 399,
      "agent_id": 29,
      "delay": 10.997,
      "onscreen_delay": 9.963,
      "typing_delay": 1.034,
      "typing_duration": 4.705,
      "wpm": 51,
      "message": "a8 เท่ากับเท่าใด"
    },
    {
      "message_id": 400,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 403,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.499,
      "typing_delay": 0.501,
      "typing_duration": 9.207,
      "wpm": 49,
      "message": "เท่ากับ a2 คูณกับ 5 ยกกำลัง -2"
    },
    {
      "message_id": 404,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 405,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 406,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 407,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.726,
      "typing_delay": 0.274,
      "typing_duration": 7.363,
      "wpm": 49,
      "message": "ส่วน 8 เท่ากับ r ก็คือ 3"
    },
    {
      "message_id": 408,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 409,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 10.231,
      "typing_delay": 0.768,
      "typing_duration": 11.406,
      "wpm": 36,
      "message": "6 3 7 21 ได้เป็น 21 นะครั บ"
    },
    {
      "message_id": 412,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 413,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 414,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 415,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.698,
      "typing_delay": 0.303,
      "typing_duration": 8.918,
      "wpm": 59,
      "message": "3 ส่วน 2 น่ะครับ มัอัตราส่วนเท่านี้"
    },
    {
      "message_id": 416,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 417,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 10.691,
      "typing_delay": 0.311,
      "typing_duration": 6.969,
      "wpm": 69,
      "message": "5 ที ก็คือ 3 ครั้งนะครับ 3 ครั้ง"
    },
    {
      "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": 11,
      "onscreen_delay": 10.18,
      "typing_delay": 0.82,
      "typing_duration": 12.848,
      "wpm": 50,
      "message": "นั่นเองนะครับ ได้เท่านี้ เราสามารุคิดต่อได้"
    },
    {
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 426,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 427,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.613,
      "typing_delay": 0.388,
      "typing_duration": 8.778,
      "wpm": 73,
      "message": "ยกกำลังก็ได้ ก็คือ 81 เป็น ยกกำลัง 4 นะครับ "
    },
    {
      "message_id": 428,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 429,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 430,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 431,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.312,
      "typing_delay": 0.689,
      "typing_duration": 7.899,
      "wpm": 63,
      "message": "ส่วน 2 กำลัง 3 นะครับ กระจายออกมา"
    },
    {
      "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": 14.999,
      "onscreen_delay": 0,
      "typing_delay": 14.999,
      "typing_duration": 14.999,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 434,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 435,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.392,
      "typing_delay": 0.607,
      "typing_duration": 14.694,
      "wpm": 56,
      "message": "นะครับ ส่วนด้วย 64 นะครับ อันนี้ก็แล้วแต่ตัวเลือกช้อยส์"
    },
    {
      "message_id": 436,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 437,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 438,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 439,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.692,
      "typing_delay": 0.308,
      "typing_duration": 9.324,
      "wpm": 48,
      "message": "ที่อยู่ระหว่าง 5 และ 45 นะครับ "
    },
    {
      "message_id": 440,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 441,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 442,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 443,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 444,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 445,
      "agent_id": 3,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 446,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 447,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
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    },
    {
      "message_id": 448,
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      "delay": 15.001,
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      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 449,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 450,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 451,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "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": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 454,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 455,
      "agent_id": 29,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 456,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 457,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 458,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 459,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.307,
      "typing_delay": 0.693,
      "typing_duration": 12.74,
      "wpm": 38,
      "message": "จงหาจำนวนที่อยู่ระหว่าง 5 และ 45 "
    },
    {
      "message_id": 460,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 461,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 462,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 463,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.015,
      "typing_delay": 0.985,
      "typing_duration": 5.894,
      "wpm": 38,
      "message": "คูณ 5 แล้วได้ x "
    },
    {
      "message_id": 464,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 465,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 466,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 467,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.628,
      "typing_delay": 0.372,
      "typing_duration": 8.252,
      "wpm": 51,
      "message": "5 คูณกับ r กำลัง 2 ตามภาพเลย"
    },
    {
      "message_id": 468,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 469,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 470,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 471,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.921,
      "typing_delay": 1.079,
      "typing_duration": 13.295,
      "wpm": 49,
      "message": "r กำลัง 1 นะครับ ก็ได้เป็นถอดรูทออกมานะครับ "
    },
    {
      "message_id": 472,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 475,
      "agent_id": 29,
      "delay": 11.004,
      "onscreen_delay": 10.699,
      "typing_delay": 0.305,
      "typing_duration": 6.772,
      "wpm": 75,
      "message": "ก็ได้เป็น 45 นั่นเองนะ เพราะฉะนั้น"
    },
    {
      "message_id": 476,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 477,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 478,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 479,
      "agent_id": 29,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 480,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 481,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 15.007,
      "onscreen_delay": 0,
      "typing_delay": 15.007,
      "typing_duration": 15.007,
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      "message": ""
    },
    {
      "message_id": 484,
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      "delay": 15.001,
      "onscreen_delay": 0,
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      "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,
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      "message": ""
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    {
      "message_id": 487,
      "agent_id": 29,
      "delay": 15.003,
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    {
      "message_id": 488,
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      "delay": 15.004,
      "onscreen_delay": 0,
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      "typing_duration": 15.004,
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    },
    {
      "message_id": 489,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
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    {
      "message_id": 490,
      "agent_id": 4,
      "delay": 15,
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      "message": ""
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    {
      "message_id": 491,
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      "delay": 15.002,
      "onscreen_delay": 0,
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      "message": ""
    },
    {
      "message_id": 492,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
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    {
      "message_id": 493,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
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      "message": ""
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    {
      "message_id": 494,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 495,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 496,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 499,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 8.169,
      "typing_delay": 2.83,
      "typing_duration": 14.16,
      "wpm": 42,
      "message": "ข้อนี้มีความยากขึ้นมาอีกระดับหนึ่งนะครับ "
    },
    {
      "message_id": 500,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 503,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.219,
      "typing_delay": 1.781,
      "typing_duration": 10.486,
      "wpm": 44,
      "message": "นะ เพราะฉะนั้นเราจะเห็นได้ ว่า่"
    },
    {
      "message_id": 504,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 10.999,
      "onscreen_delay": 9.38,
      "typing_delay": 1.619,
      "typing_duration": 15,
      "wpm": 50,
      "message": "เขาอยากรู้ว่า ถ้าเป็น 5 + m นะครับ 5+m 13 +m นะครั"
    },
    {
      "message_id": 508,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 509,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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": 11,
      "onscreen_delay": 10.057,
      "typing_delay": 0.943,
      "typing_duration": 9.967,
      "wpm": 56,
      "message": "มันจะต้องมีลำดับเดียวกัน ถูกคูณด้วย r "
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 514,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
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    },
    {
      "message_id": 515,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.04,
      "typing_delay": 0.961,
      "typing_duration": 7.984,
      "wpm": 60,
      "message": "r นี่ มันคือ อัตราส่วนร่วมนะครับ "
    },
    {
      "message_id": 516,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 517,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 518,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 519,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.285,
      "typing_delay": 0.716,
      "typing_duration": 9.543,
      "wpm": 58,
      "message": "นั่นเองนะครับ เป็นอัตราส่วนร่วมนะครับ "
    },
    {
      "message_id": 520,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 523,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.405,
      "typing_delay": 0.593,
      "typing_duration": 12.314,
      "wpm": 44,
      "message": "2 เท่ากับ 29 + m แล้วก็ 5 + m นะครับ "
    },
    {
      "message_id": 524,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 525,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": ""
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    {
      "message_id": 527,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.225,
      "typing_delay": 0.774,
      "typing_duration": 13.124,
      "wpm": 46,
      "message": "ก็คือ ยกกำลัง 2 + กำลัง 2 หน้าหลังนะครับ "
    },
    {
      "message_id": 528,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 531,
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      "delay": 11.001,
      "onscreen_delay": 10.265,
      "typing_delay": 0.736,
      "typing_duration": 15.001,
      "wpm": 31,
      "message": "นะครับ ต่อมา 29 คูณ 5 นะครับ ใไ"
    },
    {
      "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,
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      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 534,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 535,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.684,
      "typing_delay": 1.316,
      "typing_duration": 10.671,
      "wpm": 17,
      "message": "95 45 5 2 10 "
    },
    {
      "message_id": 536,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 539,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 10.812,
      "typing_delay": 0.186,
      "typing_duration": 10.357,
      "wpm": 52,
      "message": "+ กับตัวสุดท้ายเป็น m กำลัง 2 นะครับ "
    },
    {
      "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": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 542,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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    },
    {
      "message_id": 543,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 8.747,
      "typing_delay": 2.251,
      "typing_duration": 13.068,
      "wpm": 31,
      "message": "169 - 145 ได้เท่าไร ลบได้ 4 "
    },
    {
      "message_id": 544,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 545,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 546,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
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      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 547,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.063,
      "typing_delay": 0.936,
      "typing_duration": 11.325,
      "wpm": 61,
      "message": "m ของเรานี้ ก็คือ 24 ส่วน 8 นะครับ ก็จะได้เป็น"
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    {
      "message_id": 548,
      "agent_id": 2,
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    {
      "message_id": 549,
      "agent_id": 3,
      "delay": 15.001,
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      "typing_delay": 15.001,
      "typing_duration": 15.001,
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    {
      "message_id": 550,
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      "onscreen_delay": 0,
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    {
      "message_id": 551,
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      "delay": 11.001,
      "onscreen_delay": 10.205,
      "typing_delay": 0.796,
      "typing_duration": 5.572,
      "wpm": 62,
      "message": "5 + 3จะได้เป็น 8 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": 15.003,
      "onscreen_delay": 0,
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      "wpm": 0,
      "message": ""
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    {
      "message_id": 554,
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      "message": ""
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    {
      "message_id": 555,
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      "delay": 15.002,
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    {
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    {
      "message_id": 557,
      "agent_id": 3,
      "delay": 15,
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      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 558,
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    {
      "message_id": 559,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.072,
      "typing_delay": 0.927,
      "typing_duration": 13.407,
      "wpm": 44,
      "message": "จะเห็นไดว่า มัอัตรส่วนร่วมเป็น 2 นะครับ "
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    {
      "message_id": 560,
      "agent_id": 2,
      "delay": 15.001,
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      "typing_delay": 15.001,
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      "message": ""
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    {
      "message_id": 561,
      "agent_id": 3,
      "delay": 15,
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      "typing_delay": 15,
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      "wpm": 0,
      "message": ""
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    {
      "message_id": 562,
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      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 563,
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      "delay": 11.009,
      "onscreen_delay": 10.073,
      "typing_delay": 0.936,
      "typing_duration": 6.3,
      "wpm": 57,
      "message": "ไปดูกันอีกสักหน่อยนะครับ "
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    {
      "message_id": 564,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
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    {
      "message_id": 565,
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      "delay": 15,
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    },
    {
      "message_id": 566,
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    {
      "message_id": 567,
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      "delay": 10.999,
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      "typing_duration": 14.481,
      "wpm": 39,
      "message": "ตัวที่ 1 กับ ตัวที่ -12 กับ -92 นะครัย "
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    {
      "message_id": 568,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
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      "message": ""
    },
    {
      "message_id": 569,
      "agent_id": 3,
      "delay": 15,
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      "wpm": 0,
      "message": ""
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    {
      "message_id": 570,
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    {
      "message_id": 571,
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      "delay": 10.998,
      "onscreen_delay": 10.255,
      "typing_delay": 0.743,
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      "wpm": 35,
      "message": "3 ตัวก็ลบ 972 ก็ทำเหมือนเดิมเลย "
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      "delay": 14.999,
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    {
      "message_id": 573,
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      "wpm": 0,
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    {
      "message_id": 574,
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      "delay": 15.001,
      "onscreen_delay": 0,
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    {
      "message_id": 575,
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      "delay": 11,
      "onscreen_delay": 9.509,
      "typing_delay": 1.491,
      "typing_duration": 12.594,
      "wpm": 42,
      "message": "-12 น่ะครับ คูณ r ยกกำลัง 4 นั่นเอง "
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    {
      "message_id": 576,
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      "message": ""
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    {
      "message_id": 577,
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      "delay": 15.001,
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      "message_id": 578,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 579,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.259,
      "typing_delay": 0.741,
      "typing_duration": 10.289,
      "wpm": 64,
      "message": "12 นะครับ ได้เป็น 81 นะครับ r กำลัง 4 นะครับ "
    },
    {
      "message_id": 580,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 581,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 582,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 583,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 10.198,
      "typing_delay": 0.803,
      "typing_duration": 9.208,
      "wpm": 57,
      "message": "และ -3 นะครับ 2 ตัว 3 และ -3 นะครับ "
    },
    {
      "message_id": 584,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 585,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 586,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 587,
      "agent_id": 29,
      "delay": 10.998,
      "onscreen_delay": 9.555,
      "typing_delay": 1.443,
      "typing_duration": 13.546,
      "wpm": 55,
      "message": "3 กำลัง 4 หรือ -3 กำลัง 4 ก็ได้นะครับ ได้ 2 ตัวเลย "
    },
    {
      "message_id": 588,
      "agent_id": 2,
      "delay": 15.013,
      "onscreen_delay": 0,
      "typing_delay": 15.013,
      "typing_duration": 15.013,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 589,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "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": 10.483,
      "typing_delay": 0.516,
      "typing_duration": 11.8,
      "wpm": 67,
      "message": "ทั้ง + และลบได้เลย ทีนี้เราต้องทำเป็นทั้งคู่เลยนะครับ "
    },
    {
      "message_id": 592,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 593,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 594,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 595,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 10.378,
      "typing_delay": 0.621,
      "typing_duration": 9.539,
      "wpm": 60,
      "message": "- 36 นะครับ คูณ 3 อีกได้เป็น 13 ได้เลย "
    },
    {
      "message_id": 596,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 597,
      "agent_id": 3,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 598,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 599,
      "agent_id": 29,
      "delay": 10.999,
      "onscreen_delay": 9.916,
      "typing_delay": 1.083,
      "typing_duration": 14.891,
      "wpm": 46,
      "message": "170 972 นะครับ ได้เป็น x y z นี่นะครัย ถูกต้อง "
    },
    {
      "message_id": 600,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 601,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 602,
      "agent_id": 4,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 603,
      "agent_id": 29,
      "delay": 11.001,
      "onscreen_delay": 8.066,
      "typing_delay": 2.935,
      "typing_duration": 15,
      "wpm": 37,
      "message": "นะครับ หรือ r = -3 นี่ ตอนคูณก็จะสลับ"
    },
    {
      "message_id": 604,
      "agent_id": 2,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 605,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 606,
      "agent_id": 4,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 607,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 10.244,
      "typing_delay": 0.756,
      "typing_duration": 8.998,
      "wpm": 47,
      "message": "ลบ คูณ ลบ จะได้เป็น + นะครับ "
    },
    {
      "message_id": 608,
      "agent_id": 2,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 609,
      "agent_id": 3,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 610,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 611,
      "agent_id": 29,
      "delay": 11,
      "onscreen_delay": 9.584,
      "typing_delay": 1.416,
      "typing_duration": 4.825,
      "wpm": 68,
      "message": "ข้อนี้ตอบได้ทั้งคู่เลย "
    },
    {
      "message_id": 612,
      "agent_id": 2,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 613,
      "agent_id": 3,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 614,
      "agent_id": 4,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 615,
      "agent_id": 29,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 616,
      "agent_id": 2,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 617,
      "agent_id": 3,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 618,
      "agent_id": 4,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 619,
      "agent_id": 29,
      "delay": 11.005,
      "onscreen_delay": 0,
      "typing_delay": 11.005,
      "typing_duration": 11.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 620,
      "agent_id": 2,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 621,
      "agent_id": 3,
      "delay": 11,
      "onscreen_delay": 0,
      "typing_delay": 11,
      "typing_duration": 11,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 622,
      "agent_id": 4,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 623,
      "agent_id": 2,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 624,
      "agent_id": 3,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 625,
      "agent_id": 4,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 626,
      "agent_id": 2,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 627,
      "agent_id": 3,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 628,
      "agent_id": 4,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 629,
      "agent_id": 2,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 630,
      "agent_id": 3,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 631,
      "agent_id": 4,
      "delay": 11.004,
      "onscreen_delay": 0,
      "typing_delay": 11.004,
      "typing_duration": 11.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 632,
      "agent_id": 2,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 633,
      "agent_id": 3,
      "delay": 11.003,
      "onscreen_delay": 0,
      "typing_delay": 11.003,
      "typing_duration": 11.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 634,
      "agent_id": 4,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 635,
      "agent_id": 2,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 636,
      "agent_id": 3,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 637,
      "agent_id": 4,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 638,
      "agent_id": 2,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 639,
      "agent_id": 3,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 640,
      "agent_id": 4,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 641,
      "agent_id": 2,
      "delay": 11.002,
      "onscreen_delay": 0,
      "typing_delay": 11.002,
      "typing_duration": 11.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 642,
      "agent_id": 3,
      "delay": 11.001,
      "onscreen_delay": 0,
      "typing_delay": 11.001,
      "typing_duration": 11.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 643,
      "agent_id": 4,
      "delay": 11.004,
      "onscreen_delay": 0,
      "typing_delay": 11.004,
      "typing_duration": 11.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 644,
      "agent_id": 2,
      "delay": 11,
      "onscreen_delay": 0,
      "typing_delay": 11,
      "typing_duration": 11,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 645,
      "agent_id": 3,
      "delay": 11.004,
      "onscreen_delay": 0,
      "typing_delay": 11.004,
      "typing_duration": 11.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 646,
      "agent_id": 4,
      "delay": 7.004,
      "onscreen_delay": 0,
      "typing_delay": 7.004,
      "typing_duration": 7.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 647,
      "agent_id": 29,
      "delay": 3.004,
      "onscreen_delay": 0,
      "typing_delay": 3.004,
      "typing_duration": 3.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 648,
      "agent_id": 2,
      "delay": 0.001,
      "onscreen_delay": 0,
      "typing_delay": 0.001,
      "typing_duration": 0.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 649,
      "agent_id": 3,
      "delay": 0.004,
      "onscreen_delay": 0,
      "typing_delay": 0.004,
      "typing_duration": 0.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 649,
      "agent_id": 4,
      "delay": 0.001,
      "onscreen_delay": 0,
      "typing_delay": 0.001,
      "typing_duration": 0.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 650,
      "agent_id": 29,
      "delay": 4.004,
      "onscreen_delay": 4.002,
      "typing_delay": 0.002,
      "typing_duration": 0.002,
      "wpm": 0,
      "message": ""
    }
  ]
}