{
  "average_delay": 10.998,
  "average_delay_with_out_empty_turn": 6.106,
  "average_onscreen_delay": 2.108,
  "average_typing_delay": 8.89,
  "average_typing_duration": 12.239,
  "average_wpm": 19,
  "average_wpm_with_out_empty_turn": 49,
  "agents": [
    {
      "agent_id": 12,
      "average_delay": 11.047,
      "average_delay_with_out_empty_turn": 5.84,
      "average_onscreen_delay": 1.839,
      "average_typing_delay": 9.207,
      "average_typing_duration": 12.248,
      "average_wpm": 20,
      "average_wpm_with_out_empty_turn": 50
    },
    {
      "agent_id": 13,
      "average_delay": 10.849,
      "average_delay_with_out_empty_turn": 5.329,
      "average_onscreen_delay": 1.609,
      "average_typing_delay": 9.24,
      "average_typing_duration": 12.281,
      "average_wpm": 20,
      "average_wpm_with_out_empty_turn": 51
    },
    {
      "agent_id": 33,
      "average_delay": 10.308,
      "average_delay_with_out_empty_turn": 5.36,
      "average_onscreen_delay": 2.322,
      "average_typing_delay": 7.986,
      "average_typing_duration": 12.269,
      "average_wpm": 16,
      "average_wpm_with_out_empty_turn": 40
    },
    {
      "agent_id": 36,
      "average_delay": 11.788,
      "average_delay_with_out_empty_turn": 7.97,
      "average_onscreen_delay": 2.663,
      "average_typing_delay": 9.126,
      "average_typing_duration": 12.159,
      "average_wpm": 20,
      "average_wpm_with_out_empty_turn": 54
    }
  ],
  "messages": [
    {
      "message_id": 0,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 13,
      "delay": 10.996,
      "onscreen_delay": 2.093,
      "typing_delay": 8.903,
      "typing_duration": 8.903,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 33,
      "delay": 6.995,
      "onscreen_delay": 2.67,
      "typing_delay": 4.325,
      "typing_duration": 4.325,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 36,
      "delay": 2.989,
      "onscreen_delay": 0.644,
      "typing_delay": 2.345,
      "typing_duration": 6.565,
      "wpm": 85,
      "message": "(อาจารย์เชาวนี) สวัสดีค่ะ ได้ยินเสียง"
    },
    {
      "message_id": 4,
      "agent_id": 12,
      "delay": 2.56,
      "onscreen_delay": 1.346,
      "typing_delay": 1.214,
      "typing_duration": 5.375,
      "wpm": 22,
      "message": "พี่ไหมคะ "
    },
    {
      "message_id": 5,
      "agent_id": 13,
      "delay": 1.375,
      "onscreen_delay": 0.691,
      "typing_delay": 0.684,
      "typing_duration": 8.436,
      "wpm": 59,
      "message": "ได้ยินเสียงพี่ไหมคะ ได้ยินนะ โอเค "
    },
    {
      "message_id": 6,
      "agent_id": 33,
      "delay": 4.434,
      "onscreen_delay": 3.899,
      "typing_delay": 0.535,
      "typing_duration": 15.001,
      "wpm": 46,
      "message": "วันนี้นะคะ หลังจากที่ไม่ได้เจอกันเกือบอาทิตย์น"
    },
    {
      "message_id": 7,
      "agent_id": 36,
      "delay": 10.999,
      "onscreen_delay": 9.859,
      "typing_delay": 1.14,
      "typing_duration": 6.425,
      "wpm": 77,
      "message": "วันนี้ ม. 5 นะลูก สิ่งที่นักเรียน"
    },
    {
      "message_id": 8,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 6.477,
      "typing_delay": 0.52,
      "typing_duration": 7.639,
      "wpm": 82,
      "message": "จะต้องเรียนนะคะ จำได้ไหมที่คุณครูสอนเรื่อง"
    },
    {
      "message_id": 9,
      "agent_id": 13,
      "delay": 3.637,
      "onscreen_delay": 2.841,
      "typing_delay": 0.796,
      "typing_duration": 6.844,
      "wpm": 72,
      "message": "ความสัมพันธ์ไปเมื่อสัปดาห์ที่แล้ว "
    },
    {
      "message_id": 10,
      "agent_id": 33,
      "delay": 2.844,
      "onscreen_delay": 2.597,
      "typing_delay": 0.247,
      "typing_duration": 12.589,
      "wpm": 51,
      "message": "ครูสอนเรื่องความสัมพันธ์นะคะ จำได้ไหม จำได้"
    },
    {
      "message_id": 11,
      "agent_id": 36,
      "delay": 8.588,
      "onscreen_delay": 6.385,
      "typing_delay": 2.203,
      "typing_duration": 12.006,
      "wpm": 26,
      "message": "นิดหนึ่งยังดีใจอยู่นะ "
    },
    {
      "message_id": 12,
      "agent_id": 12,
      "delay": 8.004,
      "onscreen_delay": 5.217,
      "typing_delay": 2.787,
      "typing_duration": 11.171,
      "wpm": 39,
      "message": "ความสัมพันธ์นี่มันเป็นพื้นฐาน"
    },
    {
      "message_id": 13,
      "agent_id": 13,
      "delay": 7.17,
      "onscreen_delay": 6.609,
      "typing_delay": 0.561,
      "typing_duration": 8.545,
      "wpm": 51,
      "message": "ในการเรียนของฟังก์ชันใช่ไหมคะ "
    },
    {
      "message_id": 14,
      "agent_id": 33,
      "delay": 4.544,
      "onscreen_delay": 4.325,
      "typing_delay": 0.219,
      "typing_duration": 14.106,
      "wpm": 46,
      "message": "ดูนะ ครุจะทบทวนความรู้เดิมของลูก ๆ นะคะ ว่า"
    },
    {
      "message_id": 15,
      "agent_id": 36,
      "delay": 10.105,
      "onscreen_delay": 9.434,
      "typing_delay": 0.671,
      "typing_duration": 6.143,
      "wpm": 51,
      "message": "ลูกน่ะ จำได้หรือเปล่า "
    },
    {
      "message_id": 16,
      "agent_id": 12,
      "delay": 6.104,
      "onscreen_delay": 5.589,
      "typing_delay": 0.515,
      "typing_duration": 7.601,
      "wpm": 87,
      "message": "เห็นภาพแล้วคุ้นไหมคะ อันนี้คือห้องเรียนนะลูก "
    },
    {
      "message_id": 17,
      "agent_id": 13,
      "delay": 3.601,
      "onscreen_delay": 2.987,
      "typing_delay": 0.614,
      "typing_duration": 8.333,
      "wpm": 67,
      "message": "ห้องเรียนที่เราจัดเอาไว้ จะเป็นแถวตอน"
    },
    {
      "message_id": 18,
      "agent_id": 33,
      "delay": 4.332,
      "onscreen_delay": 3.716,
      "typing_delay": 0.616,
      "typing_duration": 15,
      "wpm": 46,
      "message": "นะคะ แถวตอน ถ้าเราจะหาความสัมพันธ์ของตำแหน่งนะ"
    },
    {
      "message_id": 19,
      "agent_id": 36,
      "delay": 10.998,
      "onscreen_delay": 10.107,
      "typing_delay": 0.891,
      "typing_duration": 12.98,
      "wpm": 30,
      "message": "ว่าใครนั่งตรงไหน ดูในภาพนะ "
    },
    {
      "message_id": 20,
      "agent_id": 12,
      "delay": 8.979,
      "onscreen_delay": 8.081,
      "typing_delay": 0.898,
      "typing_duration": 8.93,
      "wpm": 74,
      "message": "A นะคะ ที่นั่งอยู่ตรงมุมนี้ ความสัมพันธ์นะคะ "
    },
    {
      "message_id": 21,
      "agent_id": 13,
      "delay": 4.978,
      "onscreen_delay": 4.183,
      "typing_delay": 0.795,
      "typing_duration": 10.371,
      "wpm": 82,
      "message": "จะต้องมีอยู่ 2 ค่าด้วยกัน ความสัมพันธ์ต้องมี 2 ค่าด้วยกัน "
    },
    {
      "message_id": 22,
      "agent_id": 33,
      "delay": 6.37,
      "onscreen_delay": 5.475,
      "typing_delay": 0.895,
      "typing_duration": 13.667,
      "wpm": 34,
      "message": "ถ้าจะบอกตำแหน่งของ A จำได้ไหมคะ "
    },
    {
      "message_id": 23,
      "agent_id": 36,
      "delay": 9.666,
      "onscreen_delay": 9.283,
      "typing_delay": 0.383,
      "typing_duration": 10.76,
      "wpm": 52,
      "message": "นั้นเอาแนวตั้งขึ้นมาก่อน ลูกก็ไปดูแถว "
    },
    {
      "message_id": 24,
      "agent_id": 12,
      "delay": 6.759,
      "onscreen_delay": 5.937,
      "typing_delay": 0.822,
      "typing_duration": 8.823,
      "wpm": 78,
      "message": "A แนวตั้งนี่มันแถวที่เท่าไหร่ แถวที่เท่าไหร่คะ "
    },
    {
      "message_id": 25,
      "agent_id": 13,
      "delay": 4.822,
      "onscreen_delay": 3.137,
      "typing_delay": 1.685,
      "typing_duration": 15,
      "wpm": 34,
      "message": "แถวที่เท่าไรลูก แถวแนวตั้ง A นะลูก"
    },
    {
      "message_id": 26,
      "agent_id": 33,
      "delay": 10.999,
      "onscreen_delay": 10.09,
      "typing_delay": 0.909,
      "typing_duration": 11.43,
      "wpm": 42,
      "message": "A A แนวตั้งเท่าไรคะ A เท่าไรเอ่ย "
    },
    {
      "message_id": 27,
      "agent_id": 36,
      "delay": 7.428,
      "onscreen_delay": 6.754,
      "typing_delay": 0.674,
      "typing_duration": 14.138,
      "wpm": 29,
      "message": "A คือ 1 นะคะ A คือ 1 ตรงนี้ "
    },
    {
      "message_id": 28,
      "agent_id": 12,
      "delay": 10.137,
      "onscreen_delay": 5.224,
      "typing_delay": 4.913,
      "typing_duration": 8.922,
      "wpm": 32,
      "message": "แนวนอน A อยู่ตรงไหน "
    },
    {
      "message_id": 29,
      "agent_id": 13,
      "delay": 6.136,
      "onscreen_delay": 5.336,
      "typing_delay": 0.8,
      "typing_duration": 9.601,
      "wpm": 59,
      "message": "ตรงนี้ แถวตรงนี้นะคะ แนวนอนคืออะไรคะ 1 "
    },
    {
      "message_id": 30,
      "agent_id": 33,
      "delay": 5.6,
      "onscreen_delay": 5.327,
      "typing_delay": 0.273,
      "typing_duration": 12.529,
      "wpm": 57,
      "message": "เหมือนกัน เพราะฉะนั้น ถ้าเราจะหาความสัมพันธ์นะคะ "
    },
    {
      "message_id": 31,
      "agent_id": 36,
      "delay": 8.527,
      "onscreen_delay": 8.169,
      "typing_delay": 0.358,
      "typing_duration": 9.879,
      "wpm": 61,
      "message": "ความสัมพันธ์ของตำแหน่งที่นั่ง A นะคะ จาก"
    },
    {
      "message_id": 32,
      "agent_id": 12,
      "delay": 5.878,
      "onscreen_delay": 3.141,
      "typing_delay": 2.737,
      "typing_duration": 11.541,
      "wpm": 43,
      "message": "แนวตั้งไปแนวนอน มันก็คือคู่อันดับ "
    },
    {
      "message_id": 33,
      "agent_id": 13,
      "delay": 7.54,
      "onscreen_delay": 6.543,
      "typing_delay": 0.997,
      "typing_duration": 7.97,
      "wpm": 53,
      "message": "1 นั่นเอง จำได้ไหม คู่อันดับ"
    },
    {
      "message_id": 34,
      "agent_id": 33,
      "delay": 3.969,
      "onscreen_delay": 3.427,
      "typing_delay": 0.542,
      "typing_duration": 14.381,
      "wpm": 50,
      "message": "ข้างหน้าคือแนวตั้ง เลข 1 นะคะ ข้างหลังคือแนวตั้ง "
    },
    {
      "message_id": 35,
      "agent_id": 36,
      "delay": 10.38,
      "onscreen_delay": 9.745,
      "typing_delay": 0.635,
      "typing_duration": 7.69,
      "wpm": 68,
      "message": "ตัวเลขตัวที่ 2 นี่หมายถึงแนวนอนนะคะ "
    },
    {
      "message_id": 36,
      "agent_id": 12,
      "delay": 6.378,
      "onscreen_delay": 5.729,
      "typing_delay": 0.649,
      "typing_duration": 10.165,
      "wpm": 61,
      "message": "ทีนี้มาดูใหม่ ถ้าครูหาตำแหน่งของ F ล่ะลูก "
    },
    {
      "message_id": 37,
      "agent_id": 13,
      "delay": 6.163,
      "onscreen_delay": 5.461,
      "typing_delay": 0.702,
      "typing_duration": 7.254,
      "wpm": 43,
      "message": "ตัว F ตัวนี้ พี่เพียว "
    },
    {
      "message_id": 38,
      "agent_id": 33,
      "delay": 3.254,
      "onscreen_delay": 1.551,
      "typing_delay": 1.703,
      "typing_duration": 14.19,
      "wpm": 42,
      "message": "F ตัวนี้ ความสัมพันธ์คู่อันดับคืออะไรลูก "
    },
    {
      "message_id": 39,
      "agent_id": 36,
      "delay": 10.19,
      "onscreen_delay": 6.857,
      "typing_delay": 3.333,
      "typing_duration": 12.887,
      "wpm": 28,
      "message": "F ตัวนี้คือตำแหน่งอะไรคะ "
    },
    {
      "message_id": 40,
      "agent_id": 12,
      "delay": 8.885,
      "onscreen_delay": 5.697,
      "typing_delay": 3.188,
      "typing_duration": 6.654,
      "wpm": 20,
      "message": "แนวตั้งนะ "
    },
    {
      "message_id": 41,
      "agent_id": 13,
      "delay": 4.884,
      "onscreen_delay": 3.568,
      "typing_delay": 1.316,
      "typing_duration": 5.924,
      "wpm": 61,
      "message": "อันนี้คือแนวตั้ง แนวตั้ง "
    },
    {
      "message_id": 42,
      "agent_id": 33,
      "delay": 1.92,
      "onscreen_delay": 1.209,
      "typing_delay": 0.711,
      "typing_duration": 8.744,
      "wpm": 50,
      "message": "ตรงกับเลขอะไรคะ เลข 3 ถูกต้อง "
    },
    {
      "message_id": 43,
      "agent_id": 36,
      "delay": 4.743,
      "onscreen_delay": 3.985,
      "typing_delay": 0.758,
      "typing_duration": 9.79,
      "wpm": 54,
      "message": "แนวนอนล่ะลูก แนวนอนตรงกับตัวเลขอะไร "
    },
    {
      "message_id": 44,
      "agent_id": 12,
      "delay": 5.789,
      "onscreen_delay": 4.915,
      "typing_delay": 0.874,
      "typing_duration": 6.875,
      "wpm": 76,
      "message": "5 เพราะฉะนั้น คู่อันดับนี้คืออะไรคะ "
    },
    {
      "message_id": 45,
      "agent_id": 13,
      "delay": 2.874,
      "onscreen_delay": 2.036,
      "typing_delay": 0.838,
      "typing_duration": 5.678,
      "wpm": 66,
      "message": "3 กับ ถูกต้องนะคะ 3 กับ 5 "
    },
    {
      "message_id": 46,
      "agent_id": 33,
      "delay": 1.677,
      "onscreen_delay": 1.269,
      "typing_delay": 0.408,
      "typing_duration": 10.372,
      "wpm": 40,
      "message": "นั่นเอง พี่แท็ก แท็กต่อนะลูก "
    },
    {
      "message_id": 47,
      "agent_id": 36,
      "delay": 6.37,
      "onscreen_delay": 4.498,
      "typing_delay": 1.872,
      "typing_duration": 7.402,
      "wpm": 41,
      "message": "J J คู่อันดับคืออะไร"
    },
    {
      "message_id": 48,
      "agent_id": 12,
      "delay": 7.602,
      "onscreen_delay": 0,
      "typing_delay": 7.602,
      "typing_duration": 7.602,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 49,
      "agent_id": 13,
      "delay": 3.6,
      "onscreen_delay": 2.321,
      "typing_delay": 1.279,
      "typing_duration": 12.08,
      "wpm": 27,
      "message": "เยี่ยม พี่ปิ่น พี่ปิ่น"
    },
    {
      "message_id": 50,
      "agent_id": 33,
      "delay": 8.078,
      "onscreen_delay": 7.727,
      "typing_delay": 0.351,
      "typing_duration": 12.662,
      "wpm": 43,
      "message": "ดูนะ K ล่ะลูก K คู่อันดัยคืออะไรคะ 5 "
    },
    {
      "message_id": 51,
      "agent_id": 36,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 52,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 53,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 10.276,
      "typing_delay": 0.723,
      "typing_duration": 8.052,
      "wpm": 65,
      "message": "ถ้าครูจะบอกว่าให้เอาความสัมพันธ์แถว"
    },
    {
      "message_id": 54,
      "agent_id": 33,
      "delay": 6.996,
      "onscreen_delay": 6.387,
      "typing_delay": 0.609,
      "typing_duration": 14.582,
      "wpm": 59,
      "message": "แนวนอนขึ้นมาก่อนนะลูก เปลี่ยนแล้วนะทีนี้ แนวนอนขึ้นมาก่อน "
    },
    {
      "message_id": 55,
      "agent_id": 36,
      "delay": 10.58,
      "onscreen_delay": 9.991,
      "typing_delay": 0.589,
      "typing_duration": 10.957,
      "wpm": 68,
      "message": "และเอาแนวตั้งมาตาม ความสัมพันธ์นี้มันจะเป็นอย่างไร"
    },
    {
      "message_id": 56,
      "agent_id": 12,
      "delay": 6.956,
      "onscreen_delay": 6.448,
      "typing_delay": 0.508,
      "typing_duration": 8.754,
      "wpm": 43,
      "message": "นะคะ ตัว E นะคะ ตำแหน่ง E "
    },
    {
      "message_id": 57,
      "agent_id": 13,
      "delay": 4.752,
      "onscreen_delay": 3.988,
      "typing_delay": 0.764,
      "typing_duration": 10.556,
      "wpm": 45,
      "message": "ตำแหน่ง E นะคะ พี่เพชร ตำแหน่ง E "
    },
    {
      "message_id": 58,
      "agent_id": 33,
      "delay": 6.555,
      "onscreen_delay": 6.073,
      "typing_delay": 0.482,
      "typing_duration": 7.911,
      "wpm": 49,
      "message": "นะคะ ความสัมพันธ์คืออะไร 3 "
    },
    {
      "message_id": 59,
      "agent_id": 36,
      "delay": 3.911,
      "onscreen_delay": 2.112,
      "typing_delay": 1.799,
      "typing_duration": 6.225,
      "wpm": 34,
      "message": "ใช่หรือ 2 โอเค "
    },
    {
      "message_id": 60,
      "agent_id": 12,
      "delay": 2.224,
      "onscreen_delay": 1.031,
      "typing_delay": 1.193,
      "typing_duration": 6.041,
      "wpm": 50,
      "message": "แนวตั้งต่อคือ 3 นะคะ "
    },
    {
      "message_id": 61,
      "agent_id": 13,
      "delay": 2.04,
      "onscreen_delay": 0.96,
      "typing_delay": 1.08,
      "typing_duration": 9.53,
      "wpm": 52,
      "message": "แค่สลับตำแหน่งเท่านั้นเองนะคะ ถ้า"
    },
    {
      "message_id": 62,
      "agent_id": 33,
      "delay": 5.528,
      "onscreen_delay": 4.876,
      "typing_delay": 0.652,
      "typing_duration": 13.644,
      "wpm": 58,
      "message": "เอาความสัมพันธ์ต้องดู ๆ ว่า อันไหนมาก่อน อันไหนมาหลัง "
    },
    {
      "message_id": 63,
      "agent_id": 36,
      "delay": 9.643,
      "onscreen_delay": 8.807,
      "typing_delay": 0.836,
      "typing_duration": 9.164,
      "wpm": 88,
      "message": "อันนี้เข้าใจนะคะ มีใครสงสัยตัวนี้ไหม ครูจะผ่านไปแล้วนะ "
    },
    {
      "message_id": 64,
      "agent_id": 12,
      "delay": 5.639,
      "onscreen_delay": 4.422,
      "typing_delay": 1.217,
      "typing_duration": 5.561,
      "wpm": 57,
      "message": "อันนี้คือการทบทวนนะคะ "
    },
    {
      "message_id": 65,
      "agent_id": 13,
      "delay": 2.761,
      "onscreen_delay": 0,
      "typing_delay": 2.761,
      "typing_duration": 6.618,
      "wpm": 39,
      "message": "คุ้น ๆ ไหม ตัวนี้ "
    },
    {
      "message_id": 66,
      "agent_id": 33,
      "delay": 3.109,
      "onscreen_delay": 0,
      "typing_delay": 3.109,
      "typing_duration": 7.398,
      "wpm": 32,
      "message": "มันผ่าน ๆ จริง ๆ "
    },
    {
      "message_id": 67,
      "agent_id": 36,
      "delay": 3.397,
      "onscreen_delay": 2.976,
      "typing_delay": 0.421,
      "typing_duration": 13.085,
      "wpm": 76,
      "message": "ทำไปแล้วนะคะ หลังจากเมื่อกี้ที่เราหาตำแหน่ง หาความสัมพันธ์ไปแล้วนะ "
    },
    {
      "message_id": 68,
      "agent_id": 12,
      "delay": 9.085,
      "onscreen_delay": 6.84,
      "typing_delay": 2.245,
      "typing_duration": 11.813,
      "wpm": 60,
      "message": "ทีนี้ ถ้ามันเกี่ยวกับเซตล่ะ มันจะหาความสัมพันธ์"
    },
    {
      "message_id": 69,
      "agent_id": 13,
      "delay": 7.811,
      "onscreen_delay": 7.031,
      "typing_delay": 0.78,
      "typing_duration": 8.549,
      "wpm": 79,
      "message": "กันอย่างไรนะคะ อย่างตัวนี้เราเรียนมาแล้ว ม. 4 "
    },
    {
      "message_id": 70,
      "agent_id": 33,
      "delay": 4.549,
      "onscreen_delay": 3.42,
      "typing_delay": 1.129,
      "typing_duration": 10.84,
      "wpm": 15,
      "message": "A เซต A ใช่ "
    },
    {
      "message_id": 71,
      "agent_id": 36,
      "delay": 6.838,
      "onscreen_delay": 5.015,
      "typing_delay": 1.823,
      "typing_duration": 7.193,
      "wpm": 52,
      "message": "A มีสมาชิกเท่าไรคะ มีอยู่ "
    },
    {
      "message_id": 72,
      "agent_id": 12,
      "delay": 3.191,
      "onscreen_delay": 2.195,
      "typing_delay": 0.996,
      "typing_duration": 8.912,
      "wpm": 52,
      "message": "3 ตัว มีอยู่ 3 ตัวนะคะ มี 2 3 4 "
    },
    {
      "message_id": 73,
      "agent_id": 13,
      "delay": 4.911,
      "onscreen_delay": 3.84,
      "typing_delay": 1.071,
      "typing_duration": 8.464,
      "wpm": 58,
      "message": "ใช่ไหม มีอยู่ 3 ตัว แล้ว B สมาชิก"
    },
    {
      "message_id": 74,
      "agent_id": 33,
      "delay": 4.462,
      "onscreen_delay": 4.197,
      "typing_delay": 0.265,
      "typing_duration": 10.25,
      "wpm": 48,
      "message": "มีกี่ตัว สมาชิกมีกี่ตัว 2 ตัวนะคะ "
    },
    {
      "message_id": 75,
      "agent_id": 36,
      "delay": 6.247,
      "onscreen_delay": 5.879,
      "typing_delay": 0.368,
      "typing_duration": 6.448,
      "wpm": 72,
      "message": "มี 5 กับมี 6 นะคะ ทีนี้ถ้าให้หา"
    },
    {
      "message_id": 76,
      "agent_id": 12,
      "delay": 2.446,
      "onscreen_delay": 1.894,
      "typing_delay": 0.552,
      "typing_duration": 10.68,
      "wpm": 48,
      "message": "ความสัมพันธ์แบบผลคูณคาร์ทีเซียนนี่"
    },
    {
      "message_id": 77,
      "agent_id": 13,
      "delay": 6.68,
      "onscreen_delay": 5.774,
      "typing_delay": 0.906,
      "typing_duration": 8.946,
      "wpm": 64,
      "message": "ทุกตัวเลยนะคะ ที่มันสัมพันธ์กันทั้งหมด "
    },
    {
      "message_id": 78,
      "agent_id": 33,
      "delay": 4.944,
      "onscreen_delay": 4.234,
      "typing_delay": 0.71,
      "typing_duration": 9.915,
      "wpm": 38,
      "message": "มันได้เท่าไร วิธีหาง่ายมา "
    },
    {
      "message_id": 79,
      "agent_id": 36,
      "delay": 5.914,
      "onscreen_delay": 3.655,
      "typing_delay": 2.259,
      "typing_duration": 13.931,
      "wpm": 41,
      "message": "A x B อันนี้คือความสัมพันธ์คาร์ทีเซียน "
    },
    {
      "message_id": 80,
      "agent_id": 12,
      "delay": 9.93,
      "onscreen_delay": 8.863,
      "typing_delay": 1.067,
      "typing_duration": 11.184,
      "wpm": 51,
      "message": "ก็คือเอาเซต A ขึ้นมาก่อน สมาชิกในเซต A "
    },
    {
      "message_id": 81,
      "agent_id": 13,
      "delay": 7.182,
      "onscreen_delay": 6.154,
      "typing_delay": 1.028,
      "typing_duration": 12.373,
      "wpm": 62,
      "message": "ขึ้นมาก่อนเลยนะคะ อันนี้เอา A ขึ้นมาก่อน A มีสมาชิก"
    },
    {
      "message_id": 82,
      "agent_id": 33,
      "delay": 8.372,
      "onscreen_delay": 8.03,
      "typing_delay": 0.342,
      "typing_duration": 15.002,
      "wpm": 23,
      "message": "อะไร มี 2 มี 3 มี 4 ก่อ"
    },
    {
      "message_id": 83,
      "agent_id": 36,
      "delay": 11.001,
      "onscreen_delay": 10.538,
      "typing_delay": 0.463,
      "typing_duration": 7.455,
      "wpm": 64,
      "message": "ก่อนนะคะ ดูเลข 2 ก่อน 2 ไปคู่กับ "
    },
    {
      "message_id": 84,
      "agent_id": 12,
      "delay": 7,
      "onscreen_delay": 5.818,
      "typing_delay": 1.182,
      "typing_duration": 11.015,
      "wpm": 54,
      "message": "B มีอยู่ 2 ตัว เพราะฉะนั้น 2 จับคู่กับ 5 "
    },
    {
      "message_id": 85,
      "agent_id": 13,
      "delay": 7.012,
      "onscreen_delay": 5.605,
      "typing_delay": 1.407,
      "typing_duration": 14.238,
      "wpm": 39,
      "message": "แล้วลงมาเป็นคู่อันดับอยู่ในเซตนี้นะคะ "
    },
    {
      "message_id": 86,
      "agent_id": 33,
      "delay": 10.236,
      "onscreen_delay": 9.821,
      "typing_delay": 0.415,
      "typing_duration": 9.463,
      "wpm": 43,
      "message": "นะคะ 2 5 ลงมาอยู่ตรงนี้ 2 6 "
    },
    {
      "message_id": 87,
      "agent_id": 36,
      "delay": 6.235,
      "onscreen_delay": 5.772,
      "typing_delay": 0.463,
      "typing_duration": 7.68,
      "wpm": 68,
      "message": "ก็ลงมาอยู่ตรงนี้ หมดหรือยัง B เลข 2 "
    },
    {
      "message_id": 88,
      "agent_id": 12,
      "delay": 3.677,
      "onscreen_delay": 3.039,
      "typing_delay": 0.638,
      "typing_duration": 10.83,
      "wpm": 54,
      "message": "จับคู่กันหมดแล้วใช่ไหมคะ เลข 2 ไม่มีคู่"
    },
    {
      "message_id": 89,
      "agent_id": 13,
      "delay": 6.829,
      "onscreen_delay": 5.654,
      "typing_delay": 1.175,
      "typing_duration": 8.544,
      "wpm": 42,
      "message": "ที่จะจับแล้ว เพราะฉะนั้น "
    },
    {
      "message_id": 90,
      "agent_id": 33,
      "delay": 4.543,
      "onscreen_delay": 3.935,
      "typing_delay": 0.608,
      "typing_duration": 12.863,
      "wpm": 51,
      "message": "ตัวเลขจาก 2 มันก็เลยเปลี่ยนนนะคะ เป็น 3 แล้ว "
    },
    {
      "message_id": 91,
      "agent_id": 36,
      "delay": 8.863,
      "onscreen_delay": 8.013,
      "typing_delay": 0.85,
      "typing_duration": 9.668,
      "wpm": 73,
      "message": "เพราะว่า 2 มันหมดแล้ว มันจะคู่กันหมดแล้ว ถูกไหม "
    },
    {
      "message_id": 92,
      "agent_id": 12,
      "delay": 5.667,
      "onscreen_delay": 4.992,
      "typing_delay": 0.675,
      "typing_duration": 11.92,
      "wpm": 57,
      "message": "ทีนี้ 3 แล้วนะคะ 3 ก็เหมือนเดิม 3 จับคู่กับ 5 "
    },
    {
      "message_id": 93,
      "agent_id": 13,
      "delay": 7.919,
      "onscreen_delay": 6.258,
      "typing_delay": 1.661,
      "typing_duration": 9.709,
      "wpm": 48,
      "message": "3 จับคู่กับ 6 เห็นไหม ก็เอาลงมา"
    },
    {
      "message_id": 94,
      "agent_id": 33,
      "delay": 5.708,
      "onscreen_delay": 5.365,
      "typing_delay": 0.343,
      "typing_duration": 13.828,
      "wpm": 37,
      "message": "ใส่คู่อันดับที่อยู่ในเซนี้ หมดแล้ว "
    },
    {
      "message_id": 95,
      "agent_id": 36,
      "delay": 9.827,
      "onscreen_delay": 9.221,
      "typing_delay": 0.606,
      "typing_duration": 8.879,
      "wpm": 73,
      "message": "3 หมดแล้ว ต่อไปก็คือ 4 นะคะ 4 เป็นอย่างไรคะ "
    },
    {
      "message_id": 96,
      "agent_id": 12,
      "delay": 5.826,
      "onscreen_delay": 4.771,
      "typing_delay": 1.055,
      "typing_duration": 12.126,
      "wpm": 62,
      "message": "ก็จับคู่เหมือนเดิม 4 จับคู่กับ 5 กับ 4 จับคู่กับ 6 "
    },
    {
      "message_id": 97,
      "agent_id": 13,
      "delay": 8.124,
      "onscreen_delay": 7.132,
      "typing_delay": 0.992,
      "typing_duration": 6.464,
      "wpm": 74,
      "message": "ได้ออกมา หมดหรือยังทีนี้ หมดแล้ว "
    },
    {
      "message_id": 98,
      "agent_id": 33,
      "delay": 4.124,
      "onscreen_delay": 3.822,
      "typing_delay": 0.302,
      "typing_duration": 13.545,
      "wpm": 53,
      "message": "ไม่เหลืออะไรเลยใช่ไหมคะ หมดแล้ว สมาชิก A หมดแล้ว "
    },
    {
      "message_id": 99,
      "agent_id": 36,
      "delay": 9.543,
      "onscreen_delay": 9.013,
      "typing_delay": 0.53,
      "typing_duration": 12.737,
      "wpm": 55,
      "message": "นับสิมันมีกี่คู่สมาชิกในเซตนี้มันมีกี่คู่ลูก มี"
    },
    {
      "message_id": 100,
      "agent_id": 12,
      "delay": 8.736,
      "onscreen_delay": 5.124,
      "typing_delay": 3.612,
      "typing_duration": 6.947,
      "wpm": 22,
      "message": "เท่าไหร่คะ "
    },
    {
      "message_id": 101,
      "agent_id": 13,
      "delay": 4.735,
      "onscreen_delay": 3.306,
      "typing_delay": 1.429,
      "typing_duration": 8.621,
      "wpm": 57,
      "message": "นับดี ๆ นะ มี 7 เหรอ มันไม่ใช่... "
    },
    {
      "message_id": 102,
      "agent_id": 33,
      "delay": 4.62,
      "onscreen_delay": 3.728,
      "typing_delay": 0.892,
      "typing_duration": 8.315,
      "wpm": 34,
      "message": "นับพร้อมกัน 1 2 3 4 "
    },
    {
      "message_id": 103,
      "agent_id": 36,
      "delay": 4.313,
      "onscreen_delay": 3.708,
      "typing_delay": 0.605,
      "typing_duration": 11.678,
      "wpm": 58,
      "message": "5 6 ทั้งหมดมันจะมีอยู่ 6 คู่นะคะ ความสัมพันธ์"
    },
    {
      "message_id": 104,
      "agent_id": 12,
      "delay": 7.677,
      "onscreen_delay": 6.679,
      "typing_delay": 0.998,
      "typing_duration": 11.87,
      "wpm": 54,
      "message": "มันจะมีอยู่ 6 คู่ด้วยกัน วิธีหาความสัมพันธ์"
    },
    {
      "message_id": 105,
      "agent_id": 13,
      "delay": 7.87,
      "onscreen_delay": 7.093,
      "typing_delay": 0.777,
      "typing_duration": 10.547,
      "wpm": 68,
      "message": "ว่ามันจะมีกี่คู่กันแน่ เผื่อนักเรียนจะจำสลับ และ"
    },
    {
      "message_id": 106,
      "agent_id": 33,
      "delay": 6.546,
      "onscreen_delay": 5.5,
      "typing_delay": 1.046,
      "typing_duration": 13.657,
      "wpm": 41,
      "message": "รีเช็กนะคะว่ามันครบหรือเปล่า นั่ก็คือ"
    },
    {
      "message_id": 107,
      "agent_id": 36,
      "delay": 9.655,
      "onscreen_delay": 9.06,
      "typing_delay": 0.595,
      "typing_duration": 11.17,
      "wpm": 59,
      "message": "สมาชิกจาก A กับ B นี่มันมีเท่าไร เอามาคูณกัน"
    },
    {
      "message_id": 108,
      "agent_id": 12,
      "delay": 7.167,
      "onscreen_delay": 6.616,
      "typing_delay": 0.551,
      "typing_duration": 9,
      "wpm": 80,
      "message": "นะคะ อย่างเช่น A สมาชิกจำนวนทั้งหมดมี 3 ใช่ไหมคะ "
    },
    {
      "message_id": 109,
      "agent_id": 13,
      "delay": 5,
      "onscreen_delay": 2.866,
      "typing_delay": 2.134,
      "typing_duration": 5.948,
      "wpm": 55,
      "message": "B ก็มีสมาชิกอยู่ 2 ตัว "
    },
    {
      "message_id": 110,
      "agent_id": 33,
      "delay": 1.944,
      "onscreen_delay": 1.24,
      "typing_delay": 0.704,
      "typing_duration": 15,
      "wpm": 29,
      "message": "3 x 2 ได้เท่าไร 3x2 ได้เท่าไร"
    },
    {
      "message_id": 111,
      "agent_id": 36,
      "delay": 10.999,
      "onscreen_delay": 7.053,
      "typing_delay": 3.946,
      "typing_duration": 9.26,
      "wpm": 5,
      "message": "ใช่ "
    },
    {
      "message_id": 112,
      "agent_id": 12,
      "delay": 6.998,
      "onscreen_delay": 5.237,
      "typing_delay": 1.761,
      "typing_duration": 6.922,
      "wpm": 46,
      "message": "3 x 2 = 6 นั่นเองนะคะ "
    },
    {
      "message_id": 113,
      "agent_id": 13,
      "delay": 2.997,
      "onscreen_delay": 2.312,
      "typing_delay": 0.685,
      "typing_duration": 12.253,
      "wpm": 76,
      "message": "เพราะฉะนั้น คู่ที่มันจับคู่กันได้นี่ มันก็เลยเท่ากับ 6 นั่นเอง "
    },
    {
      "message_id": 114,
      "agent_id": 33,
      "delay": 8.252,
      "onscreen_delay": 7.671,
      "typing_delay": 0.581,
      "typing_duration": 15.001,
      "wpm": 43,
      "message": "นะคะ หมดแล้วนะ ไม่มีที่จะไปจับคู่กับอีกแล้ว"
    },
    {
      "message_id": 115,
      "agent_id": 36,
      "delay": 11,
      "onscreen_delay": 10.497,
      "typing_delay": 0.503,
      "typing_duration": 11.439,
      "wpm": 63,
      "message": "เพราะอะไร ถ้ามันแค่สลับมันก็จะกลายเป็นแค่ตัวเดิม "
    },
    {
      "message_id": 116,
      "agent_id": 12,
      "delay": 7.435,
      "onscreen_delay": 6.535,
      "typing_delay": 0.9,
      "typing_duration": 10.272,
      "wpm": 72,
      "message": "มันไม่สามารถที่จะเขียนตัวที่แตกต่างกันได้อยู่แล้ว "
    },
    {
      "message_id": 117,
      "agent_id": 13,
      "delay": 6.271,
      "onscreen_delay": 5.52,
      "typing_delay": 0.751,
      "typing_duration": 10.904,
      "wpm": 59,
      "message": "อันนี้พอเข้าใจอยู่ใช่ไหม จำได้ไหมคะ จำได้นะ "
    },
    {
      "message_id": 118,
      "agent_id": 33,
      "delay": 6.903,
      "onscreen_delay": 6.177,
      "typing_delay": 0.726,
      "typing_duration": 11.572,
      "wpm": 43,
      "message": "อันนี้สอนไปแล้วนะคะ สำหรับนักกีฬา"
    },
    {
      "message_id": 119,
      "agent_id": 36,
      "delay": 7.57,
      "onscreen_delay": 7.292,
      "typing_delay": 0.278,
      "typing_duration": 10.702,
      "wpm": 71,
      "message": "ที่กลับมาอันนี้ยังไม่ใช่เรียนใช่ไหมลูก ได้เรียนหรือ"
    },
    {
      "message_id": 120,
      "agent_id": 12,
      "delay": 6.7,
      "onscreen_delay": 4.742,
      "typing_delay": 1.958,
      "typing_duration": 7.264,
      "wpm": 56,
      "message": "ยัง เพราะว่าหนูไปแข่งกีฬามา "
    },
    {
      "message_id": 121,
      "agent_id": 13,
      "delay": 3.262,
      "onscreen_delay": 2.391,
      "typing_delay": 0.871,
      "typing_duration": 11.049,
      "wpm": 45,
      "message": "ใช่ ดูหน้างง ๆ นะ หนูไปแข่งกีฬามา "
    },
    {
      "message_id": 122,
      "agent_id": 33,
      "delay": 7.048,
      "onscreen_delay": 6.571,
      "typing_delay": 0.477,
      "typing_duration": 15,
      "wpm": 53,
      "message": "สีปดาห์ที่หนูไปแข่งกีฬานั่นล่ะ อันนี้เพื่อนเรียนไปแล้"
    },
    {
      "message_id": 123,
      "agent_id": 36,
      "delay": 10.999,
      "onscreen_delay": 10.71,
      "typing_delay": 0.289,
      "typing_duration": 13.89,
      "wpm": 59,
      "message": "เพื่อนเรียนไปแล้วก็คือเรื่องของความสัมพันธ์ และผลคูณของ"
    },
    {
      "message_id": 124,
      "agent_id": 12,
      "delay": 9.889,
      "onscreen_delay": 8.726,
      "typing_delay": 1.163,
      "typing_duration": 12.297,
      "wpm": 46,
      "message": "คาร์ทีเชียนตัวนี้ ง่ายมาก ที่ครูอธิบาย"
    },
    {
      "message_id": 125,
      "agent_id": 13,
      "delay": 8.296,
      "onscreen_delay": 7.443,
      "typing_delay": 0.853,
      "typing_duration": 7.086,
      "wpm": 57,
      "message": "ให้ฟังนี่ พอเข้าใจไหมคะ เออ "
    },
    {
      "message_id": 126,
      "agent_id": 33,
      "delay": 4.294,
      "onscreen_delay": 3.839,
      "typing_delay": 0.455,
      "typing_duration": 10.591,
      "wpm": 61,
      "message": "ไม่เป็นไร เดี๋ยวค่อยไปดูกันอีกนทีนะคะ ดูกัน"
    },
    {
      "message_id": 127,
      "agent_id": 36,
      "delay": 6.588,
      "onscreen_delay": 6.259,
      "typing_delay": 0.329,
      "typing_duration": 6.811,
      "wpm": 84,
      "message": "อีกที ทีนี้วันนี้นะคะ ครูจะเพิ่มเรื่อง"
    },
    {
      "message_id": 128,
      "agent_id": 12,
      "delay": 2.81,
      "onscreen_delay": 2.055,
      "typing_delay": 0.755,
      "typing_duration": 6.835,
      "wpm": 90,
      "message": "ใหม่เข้ามาให้นักเรียนได้เรียนกัน นักเรียน"
    },
    {
      "message_id": 129,
      "agent_id": 13,
      "delay": 2.835,
      "onscreen_delay": 2.099,
      "typing_delay": 0.736,
      "typing_duration": 9.232,
      "wpm": 34,
      "message": "เคย ในชีวิตประจำวันนะ "
    },
    {
      "message_id": 130,
      "agent_id": 33,
      "delay": 5.232,
      "onscreen_delay": 4.772,
      "typing_delay": 0.46,
      "typing_duration": 11.508,
      "wpm": 50,
      "message": "มันก็จะมีสิ่งที่มาเกี่ยวข้องกัยเรานะคะ "
    },
    {
      "message_id": 131,
      "agent_id": 36,
      "delay": 7.506,
      "onscreen_delay": 6.467,
      "typing_delay": 1.039,
      "typing_duration": 4.712,
      "wpm": 89,
      "message": "อย่างเช่นอะไร อย่างเช่นจำนวน"
    },
    {
      "message_id": 132,
      "agent_id": 12,
      "delay": 3.504,
      "onscreen_delay": 2.6,
      "typing_delay": 0.904,
      "typing_duration": 12.839,
      "wpm": 46,
      "message": "จำนวนคนนะคะ จำนวนคนป่วย ตอนช่วงโควิดนี่ "
    },
    {
      "message_id": 133,
      "agent_id": 13,
      "delay": 8.838,
      "onscreen_delay": 7.899,
      "typing_delay": 0.939,
      "typing_duration": 11.204,
      "wpm": 17,
      "message": "โควิดระบาดนี่ "
    },
    {
      "message_id": 134,
      "agent_id": 33,
      "delay": 7.203,
      "onscreen_delay": 6.736,
      "typing_delay": 0.467,
      "typing_duration": 15.001,
      "wpm": 42,
      "message": "จำนวนคนป่วยมันเพิ่มหรือมันลด ตอนช่วงปีก่อน"
    },
    {
      "message_id": 135,
      "agent_id": 36,
      "delay": 11,
      "onscreen_delay": 9.941,
      "typing_delay": 1.059,
      "typing_duration": 8.34,
      "wpm": 79,
      "message": "เราเห็นข่าวใช่ไหมลูก เวลาเห็นข่าวนี่ มันต้อง"
    },
    {
      "message_id": 136,
      "agent_id": 12,
      "delay": 7,
      "onscreen_delay": 6.156,
      "typing_delay": 0.844,
      "typing_duration": 8.302,
      "wpm": 74,
      "message": "แสดงออกมาเป็นกราฟใช่ไหม เป็นแผนภาพแผนภูมิ"
    },
    {
      "message_id": 137,
      "agent_id": 13,
      "delay": 4.3,
      "onscreen_delay": 2.948,
      "typing_delay": 1.352,
      "typing_duration": 14.849,
      "wpm": 30,
      "message": "ใช่ไหม จำนวนคนตายเท่าไร คนเจ็บ"
    },
    {
      "message_id": 138,
      "agent_id": 33,
      "delay": 10.848,
      "onscreen_delay": 9.998,
      "typing_delay": 0.85,
      "typing_duration": 13.641,
      "wpm": 48,
      "message": "เท่าไร ลดลงหรือเพิ่มขึ้น วิธีการดู ดูอย่างไร "
    },
    {
      "message_id": 139,
      "agent_id": 36,
      "delay": 9.64,
      "onscreen_delay": 8.896,
      "typing_delay": 0.744,
      "typing_duration": 8.632,
      "wpm": 83,
      "message": "ถ้ากราฟมันเพิ่มขึ้นอย่างนี้ มันก็น่าตกใจใช่ไหมคะ "
    },
    {
      "message_id": 140,
      "agent_id": 12,
      "delay": 5.638,
      "onscreen_delay": 4.647,
      "typing_delay": 0.991,
      "typing_duration": 8.935,
      "wpm": 87,
      "message": "อันนี้เราก็ต้องเตรียมความพร้อมในการระวังตัวเองแล้วก็"
    },
    {
      "message_id": 141,
      "agent_id": 13,
      "delay": 4.934,
      "onscreen_delay": 4.171,
      "typing_delay": 0.763,
      "typing_duration": 10.988,
      "wpm": 48,
      "message": "วิธีในการรักษามาก ๆ แต่ถ้าเมื่อไหร่ "
    },
    {
      "message_id": 142,
      "agent_id": 33,
      "delay": 6.986,
      "onscreen_delay": 6.527,
      "typing_delay": 0.459,
      "typing_duration": 13.972,
      "wpm": 57,
      "message": "แบบนิ่ง ๆ เป็นเส้นตรง กราฟเป็นเส้นตรง แสดงว่ามันคงที่ "
    },
    {
      "message_id": 143,
      "agent_id": 36,
      "delay": 9.97,
      "onscreen_delay": 9.329,
      "typing_delay": 0.641,
      "typing_duration": 7.098,
      "wpm": 59,
      "message": "มันคงที่อยู่นะคะ หลังจากนั้น "
    },
    {
      "message_id": 144,
      "agent_id": 12,
      "delay": 5.967,
      "onscreen_delay": 4.888,
      "typing_delay": 1.079,
      "typing_duration": 13.719,
      "wpm": 37,
      "message": "นาน ๆ มา มันหายแล้ว มันหมดแล้วกราฟ"
    },
    {
      "message_id": 145,
      "agent_id": 13,
      "delay": 9.717,
      "onscreen_delay": 8.994,
      "typing_delay": 0.723,
      "typing_duration": 11.589,
      "wpm": 62,
      "message": "มันก็จะลดลง มันก็จะเป็นแนวดิ่งลงนะคะ มันก็จะลดลง"
    },
    {
      "message_id": 146,
      "agent_id": 33,
      "delay": 7.588,
      "onscreen_delay": 7.525,
      "typing_delay": 0.063,
      "typing_duration": 13.39,
      "wpm": 68,
      "message": "ไปเรื่อย ๆ ตัวกราฟนี่ล่ะค่ะ ที่เขาหามานี่ละ มันใช้ในเรื่องของ"
    },
    {
      "message_id": 147,
      "agent_id": 36,
      "delay": 9.389,
      "onscreen_delay": 8.946,
      "typing_delay": 0.443,
      "typing_duration": 7.059,
      "wpm": 81,
      "message": "ความสัมพันธ์นะคะ ความสัมพันธ์หาค่าอะไร "
    },
    {
      "message_id": 148,
      "agent_id": 12,
      "delay": 5.385,
      "onscreen_delay": 4.809,
      "typing_delay": 0.576,
      "typing_duration": 7.609,
      "wpm": 69,
      "message": "ความสัมพันธ์ดูนะมันจะเป็นเชิงเส้นนะ "
    },
    {
      "message_id": 149,
      "agent_id": 13,
      "delay": 3.605,
      "onscreen_delay": 2.739,
      "typing_delay": 0.866,
      "typing_duration": 8.082,
      "wpm": 61,
      "message": "เป็นกราฟ เวลาเราหาออกมา ตัวแปรที่"
    },
    {
      "message_id": 150,
      "agent_id": 33,
      "delay": 4.081,
      "onscreen_delay": 3.548,
      "typing_delay": 0.533,
      "typing_duration": 15,
      "wpm": 52,
      "message": "สำคัญ แล้วค่าของตัวแปรนั้นหามาได้อย่างไร มันก็จะมีคู"
    },
    {
      "message_id": 151,
      "agent_id": 36,
      "delay": 10.999,
      "onscreen_delay": 10.559,
      "typing_delay": 0.44,
      "typing_duration": 9.105,
      "wpm": 71,
      "message": "ใช่ไหมคะ เราเรียนเรื่องของคู่อันดับ X กับ Y "
    },
    {
      "message_id": 152,
      "agent_id": 12,
      "delay": 6.998,
      "onscreen_delay": 4.525,
      "typing_delay": 2.473,
      "typing_duration": 9.801,
      "wpm": 41,
      "message": "อันนี้ดูนะ วันนี้เราจะเรียน"
    },
    {
      "message_id": 153,
      "agent_id": 13,
      "delay": 5.8,
      "onscreen_delay": 4.954,
      "typing_delay": 0.846,
      "typing_duration": 9.768,
      "wpm": 71,
      "message": "เรื่องฟังก์ชันเชิงเส้นนะคะ นักเรียนดูสัญลักษณ์ "
    },
    {
      "message_id": 154,
      "agent_id": 33,
      "delay": 5.767,
      "onscreen_delay": 4.066,
      "typing_delay": 1.701,
      "typing_duration": 15.002,
      "wpm": 29,
      "message": "Y = A X + B นักเรียนเห็นเท่าก"
    },
    {
      "message_id": 155,
      "agent_id": 36,
      "delay": 11.001,
      "onscreen_delay": 9.833,
      "typing_delay": 1.168,
      "typing_duration": 10.462,
      "wpm": 65,
      "message": "เครื่องหมายเท่ากับแสดงว่าซ้ายมือกับขวามือต้อง"
    },
    {
      "message_id": 156,
      "agent_id": 12,
      "delay": 7,
      "onscreen_delay": 6.347,
      "typing_delay": 0.653,
      "typing_duration": 7.79,
      "wpm": 81,
      "message": "เท่ากันหรือไม่เท่ากันคะ เครื่องหมายเท่ากับ "
    },
    {
      "message_id": 157,
      "agent_id": 13,
      "delay": 3.788,
      "onscreen_delay": 2.962,
      "typing_delay": 0.826,
      "typing_duration": 9.259,
      "wpm": 65,
      "message": "เท่าหรือไม่เท่า ต้องเท่า ใช่ ฝั่งซ้ายมือ "
    },
    {
      "message_id": 158,
      "agent_id": 33,
      "delay": 5.256,
      "onscreen_delay": 3.682,
      "typing_delay": 1.574,
      "typing_duration": 13.679,
      "wpm": 42,
      "message": "Y มีเท่าไร ซ้ายมือก็ต้องมีเท่านั้น ถึง"
    },
    {
      "message_id": 159,
      "agent_id": 36,
      "delay": 9.678,
      "onscreen_delay": 9.137,
      "typing_delay": 0.541,
      "typing_duration": 10.087,
      "wpm": 68,
      "message": "จะเท่ากัน ค่า 2 ข้างนี้จะต้องเท่ากัน เหมือนกัน"
    },
    {
      "message_id": 160,
      "agent_id": 12,
      "delay": 6.086,
      "onscreen_delay": 5.43,
      "typing_delay": 0.656,
      "typing_duration": 8.504,
      "wpm": 58,
      "message": "นะคะ สัญลักษณ์เวลาเราหามาแล้วนะคะ "
    },
    {
      "message_id": 161,
      "agent_id": 13,
      "delay": 4.502,
      "onscreen_delay": 3.731,
      "typing_delay": 0.771,
      "typing_duration": 9.508,
      "wpm": 54,
      "message": "มันจะเป็นคู่ มันจะเป็นคู่ ถ้าค่า X "
    },
    {
      "message_id": 162,
      "agent_id": 33,
      "delay": 5.507,
      "onscreen_delay": 5.205,
      "typing_delay": 0.302,
      "typing_duration": 13.212,
      "wpm": 47,
      "message": "นะคะ อย่างตัวนี้ เขาให้หาความสัมพันธ์ Y = "
    },
    {
      "message_id": 163,
      "agent_id": 36,
      "delay": 9.211,
      "onscreen_delay": 8.666,
      "typing_delay": 0.545,
      "typing_duration": 7.883,
      "wpm": 32,
      "message": "2x + 3 y = 2x + 3 "
    },
    {
      "message_id": 164,
      "agent_id": 12,
      "delay": 5.21,
      "onscreen_delay": 4.808,
      "typing_delay": 0.402,
      "typing_duration": 12.707,
      "wpm": 54,
      "message": "ดูจากฟังก์ชัน ดูจากสมการตัวนี้ y คือตัวนี้นะคะ "
    },
    {
      "message_id": 165,
      "agent_id": 13,
      "delay": 8.706,
      "onscreen_delay": 6.983,
      "typing_delay": 1.723,
      "typing_duration": 8.217,
      "wpm": 16,
      "message": "2 2 คือ A "
    },
    {
      "message_id": 166,
      "agent_id": 33,
      "delay": 4.705,
      "onscreen_delay": 3.715,
      "typing_delay": 0.99,
      "typing_duration": 13.263,
      "wpm": 31,
      "message": "เห็นไหม 2 คือ A X เราไม่รู็ "
    },
    {
      "message_id": 167,
      "agent_id": 36,
      "delay": 9.261,
      "onscreen_delay": 8.628,
      "typing_delay": 0.633,
      "typing_duration": 9.997,
      "wpm": 50,
      "message": "คือเท่าไรคะ ในโจทย์ B = 3 นั่นเอง "
    },
    {
      "message_id": 168,
      "agent_id": 12,
      "delay": 5.996,
      "onscreen_delay": 4.524,
      "typing_delay": 1.472,
      "typing_duration": 11.702,
      "wpm": 51,
      "message": "b คือ 3 เป็นค่าคงตัวที่บวกเท่าตัวตลอดเลย "
    },
    {
      "message_id": 169,
      "agent_id": 13,
      "delay": 7.7,
      "onscreen_delay": 6.534,
      "typing_delay": 1.166,
      "typing_duration": 6.948,
      "wpm": 60,
      "message": "ก็คือ 3 นะคะ ทีนี้ เวลาเราจะ"
    },
    {
      "message_id": 170,
      "agent_id": 33,
      "delay": 3.7,
      "onscreen_delay": 3.346,
      "typing_delay": 0.354,
      "typing_duration": 15,
      "wpm": 52,
      "message": "ไปหาความสัมพันธ์เขาจะกำหนดมาบอกว่าให้ x มีค่าเท่ากับ"
    },
    {
      "message_id": 171,
      "agent_id": 36,
      "delay": 10.999,
      "onscreen_delay": 10.446,
      "typing_delay": 0.553,
      "typing_duration": 9.761,
      "wpm": 41,
      "message": "เท่าไร x มีค่าเท่ากับ -2 นะ "
    },
    {
      "message_id": 172,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 6.194,
      "typing_delay": 0.803,
      "typing_duration": 14.88,
      "wpm": 36,
      "message": "x มีค่าเท่ากับ -1 นะ x มีค่าเท่า -12 "
    },
    {
      "message_id": 173,
      "agent_id": 13,
      "delay": 10.879,
      "onscreen_delay": 8.948,
      "typing_delay": 1.931,
      "typing_duration": 9.608,
      "wpm": 50,
      "message": "เมื่อไหร่ที่ค่า x นี้เปลี่ยนแปลง"
    },
    {
      "message_id": 174,
      "agent_id": 33,
      "delay": 6.876,
      "onscreen_delay": 6.288,
      "typing_delay": 0.588,
      "typing_duration": 15.001,
      "wpm": 35,
      "message": "ไป ค่า y ตัวนี้ลูก ก็จะเปลี่ยนตามไป"
    },
    {
      "message_id": 175,
      "agent_id": 36,
      "delay": 11,
      "onscreen_delay": 8.827,
      "typing_delay": 2.173,
      "typing_duration": 8.954,
      "wpm": 59,
      "message": "y ก็จะเปลี่ยนตามไปด้วย ทีนี้เราจะไป"
    },
    {
      "message_id": 176,
      "agent_id": 12,
      "delay": 6.998,
      "onscreen_delay": 6.323,
      "typing_delay": 0.675,
      "typing_duration": 13.93,
      "wpm": 19,
      "message": "หาว่าถ้า x เป็น -2 "
    },
    {
      "message_id": 177,
      "agent_id": 13,
      "delay": 9.93,
      "onscreen_delay": 7.486,
      "typing_delay": 2.444,
      "typing_duration": 6.915,
      "wpm": 37,
      "message": "y จะเท่ากับเท่าไร "
    },
    {
      "message_id": 178,
      "agent_id": 33,
      "delay": 5.929,
      "onscreen_delay": 5.417,
      "typing_delay": 0.512,
      "typing_duration": 4.422,
      "wpm": 14,
      "message": "ดูนะ "
    },
    {
      "message_id": 179,
      "agent_id": 36,
      "delay": 1.928,
      "onscreen_delay": 0.152,
      "typing_delay": 1.776,
      "typing_duration": 9.415,
      "wpm": 46,
      "message": "เมื่อเราหาค่า y ออกมาได้มันก็"
    },
    {
      "message_id": 180,
      "agent_id": 12,
      "delay": 5.413,
      "onscreen_delay": 4.758,
      "typing_delay": 0.655,
      "typing_duration": 11.615,
      "wpm": 71,
      "message": "จะเป็นคู่อันดับเห็นไหมคะ มันจะมีอยู่ 3 คู่อันดับด้วยกัน "
    },
    {
      "message_id": 181,
      "agent_id": 13,
      "delay": 7.613,
      "onscreen_delay": 6.537,
      "typing_delay": 1.076,
      "typing_duration": 11.63,
      "wpm": 37,
      "message": "5 คู่อันดับนะคะ เพราะว่าค่า x "
    },
    {
      "message_id": 182,
      "agent_id": 33,
      "delay": 7.627,
      "onscreen_delay": 7.332,
      "typing_delay": 0.295,
      "typing_duration": 13.606,
      "wpm": 49,
      "message": "มันมีอยู่ 3... ค่า x มีอยู่ 5 ตัวนะ ที่เราหา "
    },
    {
      "message_id": 183,
      "agent_id": 36,
      "delay": 9.605,
      "onscreen_delay": 8.61,
      "typing_delay": 0.995,
      "typing_duration": 14.216,
      "wpm": 37,
      "message": "y ที่ .... ก็จะต้องเอามาลง ว่าเราหา"
    },
    {
      "message_id": 184,
      "agent_id": 12,
      "delay": 10.215,
      "onscreen_delay": 9.679,
      "typing_delay": 0.536,
      "typing_duration": 13.536,
      "wpm": 54,
      "message": "ค่า y นี่ได้เท่าไหร่ เรามาเริ่มดูวิธีการคำนวณนะคะ "
    },
    {
      "message_id": 185,
      "agent_id": 13,
      "delay": 9.519,
      "onscreen_delay": 6.072,
      "typing_delay": 3.447,
      "typing_duration": 7.784,
      "wpm": 15,
      "message": "เราจะแทน"
    },
    {
      "message_id": 186,
      "agent_id": 33,
      "delay": 5.517,
      "onscreen_delay": 4.747,
      "typing_delay": 0.77,
      "typing_duration": 11.674,
      "wpm": 41,
      "message": "ค่า x นะคะ เมื่อกี้เขาบอกว่าอะไร "
    },
    {
      "message_id": 187,
      "agent_id": 36,
      "delay": 7.673,
      "onscreen_delay": 6.415,
      "typing_delay": 1.258,
      "typing_duration": 7.62,
      "wpm": 45,
      "message": "เขาบอกว่า x = -2 ใช่ไหม "
    },
    {
      "message_id": 188,
      "agent_id": 12,
      "delay": 3.672,
      "onscreen_delay": 1.981,
      "typing_delay": 1.691,
      "typing_duration": 8.988,
      "wpm": 42,
      "message": "เขาบอกว่า x = -2 x ตรงนี้"
    },
    {
      "message_id": 189,
      "agent_id": 13,
      "delay": 4.987,
      "onscreen_delay": 4.2,
      "typing_delay": 0.787,
      "typing_duration": 10.459,
      "wpm": 52,
      "message": "คือ ข้างหน้า ค่า x อยู่ตรงนี้ เอา -2 "
    },
    {
      "message_id": 190,
      "agent_id": 33,
      "delay": 6.458,
      "onscreen_delay": 6.265,
      "typing_delay": 0.193,
      "typing_duration": 14.173,
      "wpm": 35,
      "message": "มาแทนค่า x นะคะ เอา -2 มาแทนค่า x "
    },
    {
      "message_id": 191,
      "agent_id": 36,
      "delay": 10.172,
      "onscreen_delay": 9.765,
      "typing_delay": 0.407,
      "typing_duration": 9.423,
      "wpm": 62,
      "message": "เป็น -2 ทุกอย่างเหมือนเดิม ทีนี้เท่ากับ"
    },
    {
      "message_id": 192,
      "agent_id": 12,
      "delay": 6.171,
      "onscreen_delay": 5.628,
      "typing_delay": 0.543,
      "typing_duration": 11.441,
      "wpm": 39,
      "message": "ลงมา 2 x -2 เท่ากับเท่าไหร่ลูก "
    },
    {
      "message_id": 193,
      "agent_id": 13,
      "delay": 7.441,
      "onscreen_delay": 6.489,
      "typing_delay": 0.952,
      "typing_duration": 8.612,
      "wpm": 66,
      "message": "2 x 2 เป็น 4 แต่อันนี้มันติดลบใช่ไหมคะ "
    },
    {
      "message_id": 194,
      "agent_id": 33,
      "delay": 4.61,
      "onscreen_delay": 3.855,
      "typing_delay": 0.755,
      "typing_duration": 12.746,
      "wpm": 52,
      "message": "เพราะฉะนั้น ค่ามันก็เลยเป็น -4 นั่นเอง +3 ก็"
    },
    {
      "message_id": 195,
      "agent_id": 36,
      "delay": 8.745,
      "onscreen_delay": 8.142,
      "typing_delay": 0.603,
      "typing_duration": 9.252,
      "wpm": 58,
      "message": "เอาลงมา +3 ก็ดึงลงมาเหมือนเดิม ทีนี้"
    },
    {
      "message_id": 196,
      "agent_id": 12,
      "delay": 5.251,
      "onscreen_delay": 2.482,
      "typing_delay": 2.769,
      "typing_duration": 7.933,
      "wpm": 11,
      "message": "-4 + 3 "
    },
    {
      "message_id": 197,
      "agent_id": 13,
      "delay": 3.932,
      "onscreen_delay": 3.231,
      "typing_delay": 0.701,
      "typing_duration": 7.661,
      "wpm": 45,
      "message": "เหลือเท่าไรคะ เหลือ 1 4 "
    },
    {
      "message_id": 198,
      "agent_id": 33,
      "delay": 3.661,
      "onscreen_delay": 2.821,
      "typing_delay": 0.84,
      "typing_duration": 14.751,
      "wpm": 45,
      "message": "3 ต่างกันอยู่ 1 แต่ค่าที่มันมากคือ  4 ใช่ไหม "
    },
    {
      "message_id": 199,
      "agent_id": 36,
      "delay": 10.75,
      "onscreen_delay": 10.35,
      "typing_delay": 0.4,
      "typing_duration": 12.893,
      "wpm": 42,
      "message": "ค่าตัวนี้ สัญลักษณ์มันเป็นลบ เอาลงมา"
    },
    {
      "message_id": 200,
      "agent_id": 12,
      "delay": 8.892,
      "onscreen_delay": 8.239,
      "typing_delay": 0.653,
      "typing_duration": 6.582,
      "wpm": 62,
      "message": "นะคะ ก็คือ -1 เราจะเอาค่า y "
    },
    {
      "message_id": 201,
      "agent_id": 13,
      "delay": 4.891,
      "onscreen_delay": 3.977,
      "typing_delay": 0.914,
      "typing_duration": 9.171,
      "wpm": 61,
      "message": "คู่แรกของเราที่หาได้ ก็คือ -1 นั่นเอง "
    },
    {
      "message_id": 202,
      "agent_id": 33,
      "delay": 5.17,
      "onscreen_delay": 4.584,
      "typing_delay": 0.586,
      "typing_duration": 12.245,
      "wpm": 38,
      "message": "แสดงว่า คู่อันดับนี้ y = 2x + 3"
    },
    {
      "message_id": 203,
      "agent_id": 36,
      "delay": 8.244,
      "onscreen_delay": 7.192,
      "typing_delay": 1.052,
      "typing_duration": 9.366,
      "wpm": 59,
      "message": "+3 นี่ลูก เมื่อไหร่ก็ตามที่ x เป็น -2 "
    },
    {
      "message_id": 204,
      "agent_id": 12,
      "delay": 5.365,
      "onscreen_delay": 4.584,
      "typing_delay": 0.781,
      "typing_duration": 9.145,
      "wpm": 52,
      "message": "ค่า x นี่เป็น -2 ปุ๊บนี่ หาค่า y "
    },
    {
      "message_id": 205,
      "agent_id": 13,
      "delay": 5.145,
      "onscreen_delay": 4.441,
      "typing_delay": 0.704,
      "typing_duration": 9.984,
      "wpm": 71,
      "message": "ค่า y ก็คือ -1 แล้วเอามาเขียนใส่คู่อันดับแบบนี้ "
    },
    {
      "message_id": 206,
      "agent_id": 33,
      "delay": 5.983,
      "onscreen_delay": 4.72,
      "typing_delay": 1.263,
      "typing_duration": 10.087,
      "wpm": 57,
      "message": "โอเคไหม เข้าใจนะ ทีนี้ครุจะให้ลองออกมา"
    },
    {
      "message_id": 207,
      "agent_id": 36,
      "delay": 6.086,
      "onscreen_delay": 5.605,
      "typing_delay": 0.481,
      "typing_duration": 11.371,
      "wpm": 57,
      "message": "ทำทีละคน ทีละคู่แล้วกันนะ ช่วยกัน ช่วยกันนะ"
    },
    {
      "message_id": 208,
      "agent_id": 12,
      "delay": 7.369,
      "onscreen_delay": 7.085,
      "typing_delay": 0.284,
      "typing_duration": 8.835,
      "wpm": 34,
      "message": "ค่าแรกเราได้แล้วนะคะ "
    },
    {
      "message_id": 209,
      "agent_id": 13,
      "delay": 4.831,
      "onscreen_delay": 3.967,
      "typing_delay": 0.864,
      "typing_duration": 8.056,
      "wpm": 60,
      "message": "ตรงนี้ ใส่ในตารางเลยนะคะ ก็คือ - "
    },
    {
      "message_id": 210,
      "agent_id": 33,
      "delay": 4.053,
      "onscreen_delay": 0.623,
      "typing_delay": 3.43,
      "typing_duration": 13.349,
      "wpm": 21,
      "message": "y = -1 นะคะ เมื่อ x "
    },
    {
      "message_id": 211,
      "agent_id": 36,
      "delay": 9.348,
      "onscreen_delay": 8.474,
      "typing_delay": 0.874,
      "typing_duration": 6.561,
      "wpm": 14,
      "message": "x = -2 "
    },
    {
      "message_id": 212,
      "agent_id": 12,
      "delay": 5.347,
      "onscreen_delay": 3.018,
      "typing_delay": 2.329,
      "typing_duration": 8.956,
      "wpm": 60,
      "message": "ทีนี้ไปหาเมื่อเราเปลี่ยนค่า x ล่ะลูก "
    },
    {
      "message_id": 213,
      "agent_id": 13,
      "delay": 4.954,
      "onscreen_delay": 3.416,
      "typing_delay": 1.538,
      "typing_duration": 6.003,
      "wpm": 60,
      "message": "ค่า x เปลี่ยนนะ ทีนี้น่ะ "
    },
    {
      "message_id": 214,
      "agent_id": 33,
      "delay": 2.002,
      "onscreen_delay": 1.521,
      "typing_delay": 0.481,
      "typing_duration": 5.28,
      "wpm": 28,
      "message": "กับใครเอ่ย "
    },
    {
      "message_id": 215,
      "agent_id": 36,
      "delay": 4.378,
      "onscreen_delay": 0,
      "typing_delay": 4.378,
      "typing_duration": 4.378,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 216,
      "agent_id": 12,
      "delay": 1.628,
      "onscreen_delay": 0,
      "typing_delay": 1.628,
      "typing_duration": 8.908,
      "wpm": 64,
      "message": "ใครจะเปลี่ยนกับใคร ใครจะคู่กับใคร โอเค "
    },
    {
      "message_id": 217,
      "agent_id": 13,
      "delay": 4.907,
      "onscreen_delay": 2.838,
      "typing_delay": 2.069,
      "typing_duration": 8.389,
      "wpm": 25,
      "message": "คู่... 1 2 3 4 "
    },
    {
      "message_id": 218,
      "agent_id": 33,
      "delay": 4.387,
      "onscreen_delay": 2.715,
      "typing_delay": 1.672,
      "typing_duration": 12.183,
      "wpm": 55,
      "message": "กลับไปก่อนนะคะ ครูจะกลับไปก่อน อันนี้ตัวอย่าง "
    },
    {
      "message_id": 219,
      "agent_id": 36,
      "delay": 8.182,
      "onscreen_delay": 7.608,
      "typing_delay": 0.574,
      "typing_duration": 7.607,
      "wpm": 61,
      "message": "คืออันแรกนะลูก อันนี้ค่า x = -2 "
    },
    {
      "message_id": 220,
      "agent_id": 12,
      "delay": 4.181,
      "onscreen_delay": 3.414,
      "typing_delay": 0.767,
      "typing_duration": 6.991,
      "wpm": 75,
      "message": "ถ้าค่า x = -1 ล่ะ เท่ากับเท่าไหร่ ค"
    },
    {
      "message_id": 221,
      "agent_id": 13,
      "delay": 2.99,
      "onscreen_delay": 1.342,
      "typing_delay": 1.648,
      "typing_duration": 7.833,
      "wpm": 50,
      "message": "พี่เพียว พี่เพียว มา ออกมา"
    },
    {
      "message_id": 222,
      "agent_id": 33,
      "delay": 3.832,
      "onscreen_delay": 3.513,
      "typing_delay": 0.319,
      "typing_duration": 5.047,
      "wpm": 39,
      "message": "กับคู่เลยนะคะ "
    },
    {
      "message_id": 223,
      "agent_id": 36,
      "delay": 4.377,
      "onscreen_delay": 0,
      "typing_delay": 4.377,
      "typing_duration": 4.377,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 224,
      "agent_id": 12,
      "delay": 6.548,
      "onscreen_delay": 0,
      "typing_delay": 6.548,
      "typing_duration": 6.548,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 225,
      "agent_id": 13,
      "delay": 2.547,
      "onscreen_delay": 1.308,
      "typing_delay": 1.239,
      "typing_duration": 9.43,
      "wpm": 72,
      "message": "เพื่อน ๆ ดูด้วยนะคะ ว่า 2 คนนี้ทำถูกหรือเปล่า "
    },
    {
      "message_id": 226,
      "agent_id": 33,
      "delay": 5.427,
      "onscreen_delay": 3.213,
      "typing_delay": 2.214,
      "typing_duration": 14.571,
      "wpm": 33,
      "message": "จากโจทย์ จากสมการที่เขาให้มานะคะ "
    },
    {
      "message_id": 227,
      "agent_id": 36,
      "delay": 10.57,
      "onscreen_delay": 8.909,
      "typing_delay": 1.661,
      "typing_duration": 11.541,
      "wpm": 64,
      "message": "ตอนนี้ค่า x มันจะเปลี่ยนหรือยังลูก เปลี่ยนหรือยัง "
    },
    {
      "message_id": 228,
      "agent_id": 12,
      "delay": 7.54,
      "onscreen_delay": 6.148,
      "typing_delay": 1.392,
      "typing_duration": 8.542,
      "wpm": 74,
      "message": "x จะเปลี่ยนแล้ว x จะเท่ากับ -1 นั่นเองนะคะ "
    },
    {
      "message_id": 229,
      "agent_id": 13,
      "delay": 4.541,
      "onscreen_delay": 0.558,
      "typing_delay": 3.983,
      "typing_duration": 6.993,
      "wpm": 11,
      "message": "เอา x "
    },
    {
      "message_id": 230,
      "agent_id": 33,
      "delay": 2.989,
      "onscreen_delay": 2.354,
      "typing_delay": 0.635,
      "typing_duration": 4.33,
      "wpm": 31,
      "message": "ใส่ตรงไหน "
    },
    {
      "message_id": 231,
      "agent_id": 36,
      "delay": 1.041,
      "onscreen_delay": 0,
      "typing_delay": 1.041,
      "typing_duration": 7.815,
      "wpm": 67,
      "message": "ถูกต้อง เอามาใส่ในวงเล็บนั่นเองนะคะ "
    },
    {
      "message_id": 232,
      "agent_id": 12,
      "delay": 3.813,
      "onscreen_delay": 3.255,
      "typing_delay": 0.558,
      "typing_duration": 10.175,
      "wpm": 53,
      "message": "ไม่มีคูณนะลูก เอาค่า x เอาค่า x = -1 "
    },
    {
      "message_id": 233,
      "agent_id": 13,
      "delay": 6.173,
      "onscreen_delay": 5.556,
      "typing_delay": 0.617,
      "typing_duration": 12.208,
      "wpm": 50,
      "message": "เอาลงมาใส่ในวงเล็บเลยนะคะ เหมือนกันกับ -2 "
    },
    {
      "message_id": 234,
      "agent_id": 33,
      "delay": 8.207,
      "onscreen_delay": 7.783,
      "typing_delay": 0.424,
      "typing_duration": 8.844,
      "wpm": 47,
      "message": "เห็นไหม แค่เปลั้ยนตรงนั้นเอง "
    },
    {
      "message_id": 235,
      "agent_id": 36,
      "delay": 4.843,
      "onscreen_delay": 0.425,
      "typing_delay": 4.418,
      "typing_duration": 4.418,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 236,
      "agent_id": 12,
      "delay": 4.26,
      "onscreen_delay": 0,
      "typing_delay": 4.26,
      "typing_duration": 9.275,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 237,
      "agent_id": 13,
      "delay": 5.274,
      "onscreen_delay": 4.524,
      "typing_delay": 0.75,
      "typing_duration": 9.711,
      "wpm": 65,
      "message": "เท่าไรคะ ดูมันเท่าไรนี่ลูก อันนี้มันเท่าไร "
    },
    {
      "message_id": 238,
      "agent_id": 33,
      "delay": 5.707,
      "onscreen_delay": 1.649,
      "typing_delay": 4.058,
      "typing_duration": 11.334,
      "wpm": 19,
      "message": "เขียนลงไปเลย = "
    },
    {
      "message_id": 239,
      "agent_id": 36,
      "delay": 7.332,
      "onscreen_delay": 6.194,
      "typing_delay": 1.138,
      "typing_duration": 9.699,
      "wpm": 49,
      "message": "-1 ปากกาหนูต้องตั้งขึ้นอย่าไป..."
    },
    {
      "message_id": 240,
      "agent_id": 12,
      "delay": 5.698,
      "onscreen_delay": 0.639,
      "typing_delay": 5.059,
      "typing_duration": 5.059,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 241,
      "agent_id": 13,
      "delay": 1.697,
      "onscreen_delay": 0.788,
      "typing_delay": 0.909,
      "typing_duration": 6.679,
      "wpm": 31,
      "message": "เขียนตรงนี้เลย "
    },
    {
      "message_id": 242,
      "agent_id": 33,
      "delay": 2.677,
      "onscreen_delay": 2.003,
      "typing_delay": 0.674,
      "typing_duration": 13.201,
      "wpm": 42,
      "message": "ไม่เท่ากับค่ะ เอา -1 ลงมาเลย เอาค่า x "
    },
    {
      "message_id": 243,
      "agent_id": 36,
      "delay": 9.2,
      "onscreen_delay": 8.787,
      "typing_delay": 0.413,
      "typing_duration": 7.127,
      "wpm": 82,
      "message": "ลงมาเลยนะคะ ในช่องนั้น โอเค ทีนี้ครูถาม "
    },
    {
      "message_id": 244,
      "agent_id": 12,
      "delay": 5.199,
      "onscreen_delay": 4.24,
      "typing_delay": 0.959,
      "typing_duration": 7.367,
      "wpm": 53,
      "message": "ถามพี่เพียว 2 กับ 1 คูณกัน"
    },
    {
      "message_id": 245,
      "agent_id": 13,
      "delay": 3.366,
      "onscreen_delay": 2.723,
      "typing_delay": 0.643,
      "typing_duration": 5.09,
      "wpm": 59,
      "message": "ได้เท่าไร ได้ 2 โอเค "
    },
    {
      "message_id": 246,
      "agent_id": 33,
      "delay": 1.087,
      "onscreen_delay": 0.81,
      "typing_delay": 0.277,
      "typing_duration": 11.659,
      "wpm": 49,
      "message": "อันนี้ก็คือ 2 นั่นเอง แต่ 2 ตรงนี้นะคะ "
    },
    {
      "message_id": 247,
      "agent_id": 36,
      "delay": 7.656,
      "onscreen_delay": 6.394,
      "typing_delay": 1.262,
      "typing_duration": 11.183,
      "wpm": 44,
      "message": "2 ตัวนี้ -1 มันติดลบใช่ไหม -1 มัน"
    },
    {
      "message_id": 248,
      "agent_id": 12,
      "delay": 7.182,
      "onscreen_delay": 6.638,
      "typing_delay": 0.544,
      "typing_duration": 8.124,
      "wpm": 59,
      "message": "ติดลบเพราะฉะนั้น ใส่ลบข้างหน้า 2 "
    },
    {
      "message_id": 249,
      "agent_id": 13,
      "delay": 4.122,
      "onscreen_delay": 3.385,
      "typing_delay": 0.737,
      "typing_duration": 8.106,
      "wpm": 61,
      "message": "ตัวนี้เอาลงมาเลยนะคะ เขียนลงมาเลย "
    },
    {
      "message_id": 250,
      "agent_id": 33,
      "delay": 4.102,
      "onscreen_delay": 2.803,
      "typing_delay": 1.299,
      "typing_duration": 9.881,
      "wpm": 41,
      "message": "ที่เหลือก็คือ +3 ดึงลงมาเลย "
    },
    {
      "message_id": 251,
      "agent_id": 36,
      "delay": 5.88,
      "onscreen_delay": 3.392,
      "typing_delay": 2.488,
      "typing_duration": 5.574,
      "wpm": 27,
      "message": "ถาม -2 + 3 "
    },
    {
      "message_id": 252,
      "agent_id": 12,
      "delay": 1.878,
      "onscreen_delay": 1.103,
      "typing_delay": 0.775,
      "typing_duration": 11.543,
      "wpm": 57,
      "message": "ได้เท่าไรคะ มีอยู่ 3 เอาออก 2 เหลือเท่าไรลูก "
    },
    {
      "message_id": 253,
      "agent_id": 13,
      "delay": 7.542,
      "onscreen_delay": 2.875,
      "typing_delay": 4.667,
      "typing_duration": 4.667,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 254,
      "agent_id": 33,
      "delay": 3.54,
      "onscreen_delay": 1.794,
      "typing_delay": 1.746,
      "typing_duration": 13.356,
      "wpm": 49,
      "message": "มีอยู่ 3 เอาออก 2 เหลือเท่าไรลูก เหลือเท่าไร "
    },
    {
      "message_id": 255,
      "agent_id": 36,
      "delay": 9.354,
      "onscreen_delay": 6.034,
      "typing_delay": 3.32,
      "typing_duration": 10.008,
      "wpm": 42,
      "message": "พี่เพียวจะต้องตั้งขึ้นแบบนี้ "
    },
    {
      "message_id": 256,
      "agent_id": 12,
      "delay": 6.008,
      "onscreen_delay": 4.326,
      "typing_delay": 1.682,
      "typing_duration": 6.546,
      "wpm": 48,
      "message": "เอาปากกาสีแดงก็ได้ค่ะ "
    },
    {
      "message_id": 257,
      "agent_id": 13,
      "delay": 3.772,
      "onscreen_delay": 0,
      "typing_delay": 3.772,
      "typing_duration": 8.181,
      "wpm": 37,
      "message": "ต้องเขียนใส่ตรงนี้นะ "
    },
    {
      "message_id": 258,
      "agent_id": 33,
      "delay": 4.18,
      "onscreen_delay": 0.255,
      "typing_delay": 3.925,
      "typing_duration": 10.39,
      "wpm": 22,
      "message": "3-2 เหลือเท่าไร "
    },
    {
      "message_id": 259,
      "agent_id": 36,
      "delay": 6.388,
      "onscreen_delay": 3.385,
      "typing_delay": 3.003,
      "typing_duration": 4.676,
      "wpm": 22,
      "message": "ถูกต้อง "
    },
    {
      "message_id": 260,
      "agent_id": 12,
      "delay": 2.387,
      "onscreen_delay": 0.263,
      "typing_delay": 2.124,
      "typing_duration": 8.933,
      "wpm": 45,
      "message": "อันนี้มันเป็นบวกไหมคะ 3 นี่"
    },
    {
      "message_id": 261,
      "agent_id": 13,
      "delay": 4.931,
      "onscreen_delay": 4.267,
      "typing_delay": 0.664,
      "typing_duration": 10.727,
      "wpm": 77,
      "message": "มันเป็นบวก มันมากกว่า -2 นะคะ เพราะฉะนั้น สัญลักษณ์ต้อง"
    },
    {
      "message_id": 262,
      "agent_id": 33,
      "delay": 6.727,
      "onscreen_delay": 6.333,
      "typing_delay": 0.394,
      "typing_duration": 15,
      "wpm": 41,
      "message": "เป็นบวกนะคะ เพราะว่า 3 กับ 2 เราเอาเปรียบ"
    },
    {
      "message_id": 263,
      "agent_id": 36,
      "delay": 10.998,
      "onscreen_delay": 10.328,
      "typing_delay": 0.67,
      "typing_duration": 4.502,
      "wpm": 50,
      "message": "มันมากกว่า 2 นะ "
    },
    {
      "message_id": 264,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 4.035,
      "typing_delay": 2.962,
      "typing_duration": 8.401,
      "wpm": 39,
      "message": "3 เอาออก 2 เหลือเท่าไร "
    },
    {
      "message_id": 265,
      "agent_id": 13,
      "delay": 4.396,
      "onscreen_delay": 2.964,
      "typing_delay": 1.432,
      "typing_duration": 9.296,
      "wpm": 68,
      "message": "เหลือ 1 ก็เขียนเลข1 ลงไปเลยค่ะ ไม่มี - ค่ะ "
    },
    {
      "message_id": 266,
      "agent_id": 33,
      "delay": 5.295,
      "onscreen_delay": 1.571,
      "typing_delay": 3.724,
      "typing_duration": 9.895,
      "wpm": 21,
      "message": "y ได้แล้วลูก y "
    },
    {
      "message_id": 267,
      "agent_id": 36,
      "delay": 5.894,
      "onscreen_delay": 5.167,
      "typing_delay": 0.727,
      "typing_duration": 14.014,
      "wpm": 55,
      "message": "ได้หรือยัง y ได้แล้ว เพราะฉะนั้น ค่า y ได้เท่าไรลูก "
    },
    {
      "message_id": 268,
      "agent_id": 12,
      "delay": 10.013,
      "onscreen_delay": 9.246,
      "typing_delay": 0.767,
      "typing_duration": 9.592,
      "wpm": 48,
      "message": "ตอบ y = 1 ใส่ลงไปในตารางนี้นะคะ "
    },
    {
      "message_id": 269,
      "agent_id": 13,
      "delay": 6.012,
      "onscreen_delay": 5.312,
      "typing_delay": 0.7,
      "typing_duration": 9.74,
      "wpm": 60,
      "message": "คู่นี้ ก็คือถ้า x เป็น -1 y จะเท่ากับ 1 "
    },
    {
      "message_id": 270,
      "agent_id": 33,
      "delay": 5.739,
      "onscreen_delay": 5.416,
      "typing_delay": 0.323,
      "typing_duration": 10.291,
      "wpm": 45,
      "message": "นั่นเอง เขียนลงไป คู่ต่อมา แท็ก "
    },
    {
      "message_id": 271,
      "agent_id": 36,
      "delay": 6.291,
      "onscreen_delay": 5.991,
      "typing_delay": 0.3,
      "typing_duration": 4.484,
      "wpm": 43,
      "message": "ออกมารอเลยลูก "
    },
    {
      "message_id": 272,
      "agent_id": 12,
      "delay": 2.289,
      "onscreen_delay": 0.82,
      "typing_delay": 1.469,
      "typing_duration": 9.301,
      "wpm": 60,
      "message": "นี่นะคะ พี่เพียวดูเฉลย ครูทำเฉลยให้ดู"
    },
    {
      "message_id": 273,
      "agent_id": 13,
      "delay": 5.3,
      "onscreen_delay": 4.628,
      "typing_delay": 0.672,
      "typing_duration": 5.481,
      "wpm": 71,
      "message": "บนกระดานนะคะ ตรงไหม ตรงไหม "
    },
    {
      "message_id": 274,
      "agent_id": 33,
      "delay": 1.479,
      "onscreen_delay": 0.399,
      "typing_delay": 1.08,
      "typing_duration": 14.11,
      "wpm": 53,
      "message": "ถูกไหมคะ ถูกต้องเก่งมา มาดูเพื่อนทีนี้ เพื่อนทำถูฏ"
    },
    {
      "message_id": 275,
      "agent_id": 36,
      "delay": 10.108,
      "onscreen_delay": 9.678,
      "typing_delay": 0.43,
      "typing_duration": 6.765,
      "wpm": 47,
      "message": "หรือเปล่า มาแท็กออกมา"
    },
    {
      "message_id": 276,
      "agent_id": 12,
      "delay": 6.103,
      "onscreen_delay": 0.781,
      "typing_delay": 5.322,
      "typing_duration": 5.322,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 277,
      "agent_id": 13,
      "delay": 4.31,
      "onscreen_delay": 0,
      "typing_delay": 4.31,
      "typing_duration": 6.373,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 278,
      "agent_id": 33,
      "delay": 2.372,
      "onscreen_delay": 1.669,
      "typing_delay": 0.703,
      "typing_duration": 14.124,
      "wpm": 44,
      "message": "ตอนนี้ x เปลี่ยนแล้วนะลูก x เปลี่ยนเป็น 0 "
    },
    {
      "message_id": 279,
      "agent_id": 36,
      "delay": 10.122,
      "onscreen_delay": 9.088,
      "typing_delay": 1.034,
      "typing_duration": 10.021,
      "wpm": 67,
      "message": "เราจะต้องเติม 0 ใส่ตรงไหน ในวงเล็บนั่นเองนะคะ "
    },
    {
      "message_id": 280,
      "agent_id": 12,
      "delay": 6.12,
      "onscreen_delay": 3.147,
      "typing_delay": 2.973,
      "typing_duration": 7.988,
      "wpm": 51,
      "message": "x เปลี่ยนแล้วนะคะ ให้ x = 0 "
    },
    {
      "message_id": 281,
      "agent_id": 13,
      "delay": 8.003,
      "onscreen_delay": 0,
      "typing_delay": 8.003,
      "typing_duration": 8.047,
      "wpm": 2,
      "message": "บ"
    },
    {
      "message_id": 282,
      "agent_id": 33,
      "delay": 4.045,
      "onscreen_delay": 1.679,
      "typing_delay": 2.366,
      "typing_duration": 9.54,
      "wpm": 31,
      "message": "2 x 0 ได้เท่าไรเพียว "
    },
    {
      "message_id": 283,
      "agent_id": 36,
      "delay": 5.539,
      "onscreen_delay": 2.319,
      "typing_delay": 3.22,
      "typing_duration": 7.917,
      "wpm": 32,
      "message": "ได้ 2 จริง ๆ เหรอ "
    },
    {
      "message_id": 284,
      "agent_id": 12,
      "delay": 3.916,
      "onscreen_delay": 3.078,
      "typing_delay": 0.838,
      "typing_duration": 10.278,
      "wpm": 61,
      "message": "ไม่ใช่บวกนะลูก ได้ 0 ได้ 0 นะคะ อย่าเล่นสิ "
    },
    {
      "message_id": 285,
      "agent_id": 13,
      "delay": 6.277,
      "onscreen_delay": 5.458,
      "typing_delay": 0.819,
      "typing_duration": 7.964,
      "wpm": 55,
      "message": "อย่าเล่น ตอบดี ๆ 0 คูณกับอะไร"
    },
    {
      "message_id": 286,
      "agent_id": 33,
      "delay": 3.963,
      "onscreen_delay": 3.587,
      "typing_delay": 0.376,
      "typing_duration": 10.456,
      "wpm": 44,
      "message": "ก็ตาม เท่ากับ 0 นะลูก เท่ากับ 0 "
    },
    {
      "message_id": 287,
      "agent_id": 36,
      "delay": 6.455,
      "onscreen_delay": 4.854,
      "typing_delay": 1.601,
      "typing_duration": 10.001,
      "wpm": 46,
      "message": "ถูกไหมเพียว ถูกไหมอิ๋ว ดูเพื่อน "
    },
    {
      "message_id": 288,
      "agent_id": 12,
      "delay": 6.001,
      "onscreen_delay": 0.908,
      "typing_delay": 5.093,
      "typing_duration": 5.093,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 289,
      "agent_id": 13,
      "delay": 4.686,
      "onscreen_delay": 0,
      "typing_delay": 4.686,
      "typing_duration": 4.686,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 290,
      "agent_id": 33,
      "delay": 8.101,
      "onscreen_delay": 0,
      "typing_delay": 8.101,
      "typing_duration": 8.101,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 291,
      "agent_id": 36,
      "delay": 4.386,
      "onscreen_delay": 0,
      "typing_delay": 4.386,
      "typing_duration": 4.386,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 292,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 293,
      "agent_id": 13,
      "delay": 10.999,
      "onscreen_delay": 1.98,
      "typing_delay": 9.019,
      "typing_duration": 9.019,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 294,
      "agent_id": 33,
      "delay": 6.995,
      "onscreen_delay": 2.502,
      "typing_delay": 4.493,
      "typing_duration": 8.644,
      "wpm": 24,
      "message": "เอาบวกลงมาด้วย "
    },
    {
      "message_id": 295,
      "agent_id": 36,
      "delay": 4.638,
      "onscreen_delay": 2.877,
      "typing_delay": 1.761,
      "typing_duration": 7.889,
      "wpm": 38,
      "message": "เพชร 0 + 3 ได้เท่าไร "
    },
    {
      "message_id": 296,
      "agent_id": 12,
      "delay": 3.888,
      "onscreen_delay": 1.67,
      "typing_delay": 2.218,
      "typing_duration": 13.09,
      "wpm": 42,
      "message": " 0 + 3 ได้เท่าไรเพียว อย่าบอกว่า 0 + 3 "
    },
    {
      "message_id": 297,
      "agent_id": 13,
      "delay": 9.089,
      "onscreen_delay": 7.802,
      "typing_delay": 1.287,
      "typing_duration": 5.696,
      "wpm": 34,
      "message": "ได้ 0 ว่าแล้ว "
    },
    {
      "message_id": 298,
      "agent_id": 33,
      "delay": 5.089,
      "onscreen_delay": 3.805,
      "typing_delay": 1.284,
      "typing_duration": 10.299,
      "wpm": 47,
      "message": "ถูกไหม เปิดทางให้เพื่อนดู ถูกไหม "
    },
    {
      "message_id": 299,
      "agent_id": 36,
      "delay": 6.298,
      "onscreen_delay": 5.845,
      "typing_delay": 0.453,
      "typing_duration": 8.701,
      "wpm": 57,
      "message": "ถูกไหมลูก ถูกไหม ถูกนะคะ จากสมการ "
    },
    {
      "message_id": 300,
      "agent_id": 12,
      "delay": 4.699,
      "onscreen_delay": 3.981,
      "typing_delay": 0.718,
      "typing_duration": 6.462,
      "wpm": 30,
      "message": "ไปยืนดี ยืนดี "
    },
    {
      "message_id": 301,
      "agent_id": 13,
      "delay": 2.461,
      "onscreen_delay": 0.874,
      "typing_delay": 1.587,
      "typing_duration": 8.909,
      "wpm": 61,
      "message": "จากสมการนะคะ ตอนนี้เราแทนค่า x ก็คือ "
    },
    {
      "message_id": 302,
      "agent_id": 33,
      "delay": 4.908,
      "onscreen_delay": 4.164,
      "typing_delay": 0.744,
      "typing_duration": 11.127,
      "wpm": 57,
      "message": "0 ถูกไหม เอา 0 มาใส่ตรงนี้นะคะ มาใส่ตรงนี้ "
    },
    {
      "message_id": 303,
      "agent_id": 36,
      "delay": 7.126,
      "onscreen_delay": 6.302,
      "typing_delay": 0.824,
      "typing_duration": 10.257,
      "wpm": 35,
      "message": "2 x 0 = 0 แล้วเอาไปบวก 3 "
    },
    {
      "message_id": 304,
      "agent_id": 12,
      "delay": 6.255,
      "onscreen_delay": 5.166,
      "typing_delay": 1.089,
      "typing_duration": 14.228,
      "wpm": 40,
      "message": "0 + 3 = 3 เมื่อไรก็ตามที่ x เป็น 0 = 3 "
    },
    {
      "message_id": 305,
      "agent_id": 13,
      "delay": 10.227,
      "onscreen_delay": 8.727,
      "typing_delay": 1.5,
      "typing_duration": 7.016,
      "wpm": 66,
      "message": "y จะเท่ากับเท่าไร ที่หาออกมาได้ "
    },
    {
      "message_id": 306,
      "agent_id": 33,
      "delay": 6.225,
      "onscreen_delay": 5.833,
      "typing_delay": 0.392,
      "typing_duration": 4.394,
      "wpm": 41,
      "message": "ตอบเท่าไรลูก "
    },
    {
      "message_id": 307,
      "agent_id": 36,
      "delay": 2.224,
      "onscreen_delay": 1.215,
      "typing_delay": 1.009,
      "typing_duration": 5.211,
      "wpm": 60,
      "message": "เขียน 3 ลงไปตรงนี้ค่ะ "
    },
    {
      "message_id": 308,
      "agent_id": 12,
      "delay": 5.59,
      "onscreen_delay": 0,
      "typing_delay": 5.59,
      "typing_duration": 5.59,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 309,
      "agent_id": 13,
      "delay": 1.586,
      "onscreen_delay": 0.409,
      "typing_delay": 1.177,
      "typing_duration": 9.993,
      "wpm": 66,
      "message": "คู่ต่อมา เชิญอิ๊ว ออกมาเลยค่ะ มา ออกมาเลยลูก "
    },
    {
      "message_id": 310,
      "agent_id": 33,
      "delay": 5.991,
      "onscreen_delay": 1.63,
      "typing_delay": 4.361,
      "typing_duration": 4.361,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 311,
      "agent_id": 36,
      "delay": 4.369,
      "onscreen_delay": 0,
      "typing_delay": 4.369,
      "typing_duration": 4.369,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 312,
      "agent_id": 12,
      "delay": 1.951,
      "onscreen_delay": 0,
      "typing_delay": 1.951,
      "typing_duration": 10.256,
      "wpm": 64,
      "message": "2 กลุ่มนี้ให้ดูด้วยนะว่าเพื่อนทำถูกหรือเปล่า"
    },
    {
      "message_id": 313,
      "agent_id": 13,
      "delay": 6.251,
      "onscreen_delay": 5.576,
      "typing_delay": 0.675,
      "typing_duration": 4.684,
      "wpm": 13,
      "message": "นะคะ "
    },
    {
      "message_id": 314,
      "agent_id": 33,
      "delay": 3.906,
      "onscreen_delay": 0,
      "typing_delay": 3.906,
      "typing_duration": 11.731,
      "wpm": 29,
      "message": "ตอนนี้ x เปลี่ยนหรือยัง "
    },
    {
      "message_id": 315,
      "agent_id": 36,
      "delay": 7.73,
      "onscreen_delay": 6.531,
      "typing_delay": 1.199,
      "typing_duration": 12.725,
      "wpm": 59,
      "message": "x เปลี่ยนหรือยัง x เปลี่ยนแล้ว x เปลี่ยนเป็นอะไรคะ "
    },
    {
      "message_id": 316,
      "agent_id": 12,
      "delay": 8.724,
      "onscreen_delay": 7.139,
      "typing_delay": 1.585,
      "typing_duration": 7.927,
      "wpm": 49,
      "message": "x เป็นเท่าไร x อยู่ในตาราง "
    },
    {
      "message_id": 317,
      "agent_id": 13,
      "delay": 4.724,
      "onscreen_delay": 1.709,
      "typing_delay": 3.015,
      "typing_duration": 8.119,
      "wpm": 20,
      "message": "x -2 ไปแล้ว "
    },
    {
      "message_id": 318,
      "agent_id": 33,
      "delay": 4.117,
      "onscreen_delay": 3.542,
      "typing_delay": 0.575,
      "typing_duration": 15.001,
      "wpm": 9,
      "message": "-1 ไปแล้ว "
    },
    {
      "message_id": 319,
      "agent_id": 36,
      "delay": 10.999,
      "onscreen_delay": 10.151,
      "typing_delay": 0.848,
      "typing_duration": 8.441,
      "wpm": 69,
      "message": "เขาจะต้องเอา 1 มาแทนค่า x ข้อนี้ง่ายมาก "
    },
    {
      "message_id": 320,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 2.308,
      "typing_delay": 4.689,
      "typing_duration": 4.689,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 321,
      "agent_id": 13,
      "delay": 2.996,
      "onscreen_delay": 1.052,
      "typing_delay": 1.944,
      "typing_duration": 8.032,
      "wpm": 54,
      "message": "อย่าง่ายเลย ตัวเลขประถมบวกกัน "
    },
    {
      "message_id": 322,
      "agent_id": 33,
      "delay": 4.03,
      "onscreen_delay": 3.304,
      "typing_delay": 0.726,
      "typing_duration": 6.31,
      "wpm": 26,
      "message": "คูณกันนะลูก "
    },
    {
      "message_id": 323,
      "agent_id": 36,
      "delay": 4.402,
      "onscreen_delay": 0,
      "typing_delay": 4.402,
      "typing_duration": 4.402,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 324,
      "agent_id": 12,
      "delay": 1.97,
      "onscreen_delay": 0,
      "typing_delay": 1.97,
      "typing_duration": 9.855,
      "wpm": 32,
      "message": "2 x 1 ได้เท่าไร 2 x 1 "
    },
    {
      "message_id": 325,
      "agent_id": 13,
      "delay": 5.854,
      "onscreen_delay": 4.972,
      "typing_delay": 0.882,
      "typing_duration": 7.883,
      "wpm": 48,
      "message": "ได้เท่าไร อย่าบอกว่า 2x 1 "
    },
    {
      "message_id": 326,
      "agent_id": 33,
      "delay": 3.882,
      "onscreen_delay": 3.488,
      "typing_delay": 0.394,
      "typing_duration": 4.513,
      "wpm": 17,
      "message": "ได้ 3 "
    },
    {
      "message_id": 327,
      "agent_id": 36,
      "delay": 1.619,
      "onscreen_delay": 0,
      "typing_delay": 1.619,
      "typing_duration": 6.373,
      "wpm": 68,
      "message": "คิดเอง คิดเอง 2 คนช่วยกันแล้ว"
    },
    {
      "message_id": 328,
      "agent_id": 12,
      "delay": 3.317,
      "onscreen_delay": 0,
      "typing_delay": 3.317,
      "typing_duration": 7.965,
      "wpm": 38,
      "message": "เตรียมเลยนะ 2 คนนั้น"
    },
    {
      "message_id": 329,
      "agent_id": 13,
      "delay": 3.964,
      "onscreen_delay": 3.023,
      "typing_delay": 0.941,
      "typing_duration": 4.805,
      "wpm": 37,
      "message": "เตรียมเอาไว้ "
    },
    {
      "message_id": 330,
      "agent_id": 33,
      "delay": 6.691,
      "onscreen_delay": 0,
      "typing_delay": 6.691,
      "typing_duration": 6.691,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 331,
      "agent_id": 36,
      "delay": 4.353,
      "onscreen_delay": 0,
      "typing_delay": 4.353,
      "typing_duration": 4.353,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 332,
      "agent_id": 12,
      "delay": 1.663,
      "onscreen_delay": 0,
      "typing_delay": 1.663,
      "typing_duration": 11.255,
      "wpm": 60,
      "message": "หาค่าคูณออกมาแล้วลูก คูณออกมาแล้ว คูณออกมาเลย "
    },
    {
      "message_id": 333,
      "agent_id": 13,
      "delay": 7.254,
      "onscreen_delay": 2.574,
      "typing_delay": 4.68,
      "typing_duration": 4.68,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 334,
      "agent_id": 33,
      "delay": 4.182,
      "onscreen_delay": 0,
      "typing_delay": 4.182,
      "typing_duration": 4.182,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 335,
      "agent_id": 36,
      "delay": 1.778,
      "onscreen_delay": 0,
      "typing_delay": 1.778,
      "typing_duration": 14.538,
      "wpm": 41,
      "message": "วงเล็บไม่เอาลงมาเพราะเราคูณเสร็จแล้ว ถูก"
    },
    {
      "message_id": 336,
      "agent_id": 12,
      "delay": 10.536,
      "onscreen_delay": 8.77,
      "typing_delay": 1.766,
      "typing_duration": 8.787,
      "wpm": 67,
      "message": "2 กับ 1 มาคูณกันเรียบร้อย แทนค่ากันลงมา "
    },
    {
      "message_id": 337,
      "agent_id": 13,
      "delay": 6.535,
      "onscreen_delay": 5.125,
      "typing_delay": 1.41,
      "typing_duration": 7.683,
      "wpm": 41,
      "message": "ดู ๆ ตัวนี้คูณกันแล้ว "
    },
    {
      "message_id": 338,
      "agent_id": 33,
      "delay": 3.683,
      "onscreen_delay": 2.575,
      "typing_delay": 1.108,
      "typing_duration": 13.929,
      "wpm": 45,
      "message": "คูณกันแล้วไม่มีแล้วนะ อันนี้ไม่มีแบล้ว ผิด "
    },
    {
      "message_id": 339,
      "agent_id": 36,
      "delay": 9.928,
      "onscreen_delay": 6.899,
      "typing_delay": 3.029,
      "typing_duration": 6.471,
      "wpm": 35,
      "message": "ตัวนี้เรียบร้อย"
    },
    {
      "message_id": 340,
      "agent_id": 12,
      "delay": 5.927,
      "onscreen_delay": 5.16,
      "typing_delay": 0.767,
      "typing_duration": 5.248,
      "wpm": 54,
      "message": "ออกมาเป็นตัวนี้ นี่ "
    },
    {
      "message_id": 341,
      "agent_id": 13,
      "delay": 1.926,
      "onscreen_delay": 1.134,
      "typing_delay": 0.792,
      "typing_duration": 11.417,
      "wpm": 71,
      "message": "แล้ว ต้องเอาอะไร (นักศึกษาชาย) 3 (อาจารย์เชาวนี) เอา 3 "
    },
    {
      "message_id": 342,
      "agent_id": 33,
      "delay": 7.416,
      "onscreen_delay": 7.095,
      "typing_delay": 0.321,
      "typing_duration": 9.637,
      "wpm": 39,
      "message": "ลงมาบวก เอา 3 ลงมาบวก + 3 "
    },
    {
      "message_id": 343,
      "agent_id": 36,
      "delay": 5.636,
      "onscreen_delay": 1.241,
      "typing_delay": 4.395,
      "typing_duration": 4.395,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 344,
      "agent_id": 12,
      "delay": 2.336,
      "onscreen_delay": 0,
      "typing_delay": 2.336,
      "typing_duration": 8.458,
      "wpm": 41,
      "message": "2 กับ 3 บวกกันได้เท่าไร "
    },
    {
      "message_id": 345,
      "agent_id": 13,
      "delay": 4.453,
      "onscreen_delay": 3.084,
      "typing_delay": 1.369,
      "typing_duration": 8.177,
      "wpm": 51,
      "message": "ถูกไหม ได้ 5 ถูกไหมคะ ถูกไหม "
    },
    {
      "message_id": 346,
      "agent_id": 33,
      "delay": 4.176,
      "onscreen_delay": 3.664,
      "typing_delay": 0.512,
      "typing_duration": 10.806,
      "wpm": 47,
      "message": "ถูก ถูกแล้ว ถูกแล้ว เอามาใส่ตรงนี้ "
    },
    {
      "message_id": 347,
      "agent_id": 36,
      "delay": 6.804,
      "onscreen_delay": 2.848,
      "typing_delay": 3.956,
      "typing_duration": 7.202,
      "wpm": 27,
      "message": "ครูเหนื่อยกับ"
    },
    {
      "message_id": 348,
      "agent_id": 12,
      "delay": 3.199,
      "onscreen_delay": 2.705,
      "typing_delay": 0.494,
      "typing_duration": 10.45,
      "wpm": 46,
      "message": "พวกเธอ ไป ไปนั่ง อีกกลุ่มหนึ่งมา "
    },
    {
      "message_id": 349,
      "agent_id": 13,
      "delay": 6.449,
      "onscreen_delay": 1.797,
      "typing_delay": 4.652,
      "typing_duration": 4.652,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 350,
      "agent_id": 33,
      "delay": 2.448,
      "onscreen_delay": 1.234,
      "typing_delay": 1.214,
      "typing_duration": 13.665,
      "wpm": 32,
      "message": "ทีนี้ถ้าเปลี่ยนค่า x เป็น 2 x "
    },
    {
      "message_id": 351,
      "agent_id": 36,
      "delay": 9.663,
      "onscreen_delay": 8.992,
      "typing_delay": 0.671,
      "typing_duration": 6.756,
      "wpm": 67,
      "message": "เป็น 2 นะลูก x เป็น 2 กลุ่มนี้"
    },
    {
      "message_id": 352,
      "agent_id": 12,
      "delay": 5.662,
      "onscreen_delay": 4.409,
      "typing_delay": 1.253,
      "typing_duration": 4.733,
      "wpm": 35,
      "message": "สุดท้ายแล้ว "
    },
    {
      "message_id": 353,
      "agent_id": 13,
      "delay": 4.712,
      "onscreen_delay": 0,
      "typing_delay": 4.712,
      "typing_duration": 4.712,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 354,
      "agent_id": 33,
      "delay": 1.802,
      "onscreen_delay": 0,
      "typing_delay": 1.802,
      "typing_duration": 12.865,
      "wpm": 24,
      "message": "2 x 2 ได้เท่าไรข้างใน "
    },
    {
      "message_id": 355,
      "agent_id": 36,
      "delay": 8.864,
      "onscreen_delay": 4.456,
      "typing_delay": 4.408,
      "typing_duration": 4.408,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 356,
      "agent_id": 12,
      "delay": 4.862,
      "onscreen_delay": 3.366,
      "typing_delay": 1.496,
      "typing_duration": 7.585,
      "wpm": 75,
      "message": "ไม่ต้องไปบอกเพื่อนให้เพื่อนคิดกัน 2 คน "
    },
    {
      "message_id": 357,
      "agent_id": 13,
      "delay": 4.841,
      "onscreen_delay": 0,
      "typing_delay": 4.841,
      "typing_duration": 4.841,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 358,
      "agent_id": 33,
      "delay": 4.618,
      "onscreen_delay": 0,
      "typing_delay": 4.618,
      "typing_duration": 4.618,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 359,
      "agent_id": 36,
      "delay": 4.322,
      "onscreen_delay": 0,
      "typing_delay": 4.322,
      "typing_duration": 4.322,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 360,
      "agent_id": 12,
      "delay": 6.952,
      "onscreen_delay": 0,
      "typing_delay": 6.952,
      "typing_duration": 6.969,
      "wpm": 2,
      "message": "+"
    },
    {
      "message_id": 361,
      "agent_id": 13,
      "delay": 6.28,
      "onscreen_delay": 0,
      "typing_delay": 6.28,
      "typing_duration": 6.28,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 362,
      "agent_id": 33,
      "delay": 4.241,
      "onscreen_delay": 0,
      "typing_delay": 4.241,
      "typing_duration": 4.241,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 363,
      "agent_id": 36,
      "delay": 4.359,
      "onscreen_delay": 0,
      "typing_delay": 4.359,
      "typing_duration": 4.359,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 364,
      "agent_id": 12,
      "delay": 5.119,
      "onscreen_delay": 0,
      "typing_delay": 5.119,
      "typing_duration": 5.119,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 365,
      "agent_id": 13,
      "delay": 6.472,
      "onscreen_delay": 0,
      "typing_delay": 6.472,
      "typing_duration": 7.352,
      "wpm": 6,
      "message": "เออ "
    },
    {
      "message_id": 366,
      "agent_id": 33,
      "delay": 3.351,
      "onscreen_delay": 0.908,
      "typing_delay": 2.443,
      "typing_duration": 8.915,
      "wpm": 42,
      "message": "ถูกต้อง ได้ 7 นั่นเองนะคะ "
    },
    {
      "message_id": 367,
      "agent_id": 36,
      "delay": 4.912,
      "onscreen_delay": 4.529,
      "typing_delay": 0.383,
      "typing_duration": 4.4,
      "wpm": 14,
      "message": "นะคะ "
    },
    {
      "message_id": 368,
      "agent_id": 12,
      "delay": 2.163,
      "onscreen_delay": 0,
      "typing_delay": 2.163,
      "typing_duration": 9.802,
      "wpm": 35,
      "message": "เขียนลงไปในตารางได้นะคะ "
    },
    {
      "message_id": 369,
      "agent_id": 13,
      "delay": 5.8,
      "onscreen_delay": 5.084,
      "typing_delay": 0.716,
      "typing_duration": 5.419,
      "wpm": 53,
      "message": "เขียนลงไปในตารางเลย "
    },
    {
      "message_id": 370,
      "agent_id": 33,
      "delay": 2.676,
      "onscreen_delay": 0,
      "typing_delay": 2.676,
      "typing_duration": 11.357,
      "wpm": 36,
      "message": "เยี่ยมนะคะ ทั้งหมดอันนี้คือ"
    },
    {
      "message_id": 371,
      "agent_id": 36,
      "delay": 7.343,
      "onscreen_delay": 6.802,
      "typing_delay": 0.541,
      "typing_duration": 9.886,
      "wpm": 67,
      "message": "การหาค่าเมื่อไหร่ก็ตามที่เรามีฟังก์ชันแบบนี้ "
    },
    {
      "message_id": 372,
      "agent_id": 12,
      "delay": 5.885,
      "onscreen_delay": 5.453,
      "typing_delay": 0.432,
      "typing_duration": 9.912,
      "wpm": 39,
      "message": "มีสมการมาให้แบบ ให้หาค่า y "
    },
    {
      "message_id": 373,
      "agent_id": 13,
      "delay": 5.91,
      "onscreen_delay": 5.068,
      "typing_delay": 0.842,
      "typing_duration": 15.001,
      "wpm": 47,
      "message": "หาค่า y นะลูก  x  มันก็จะเปลี่ยนไป y มันก็จะเปล"
    },
    {
      "message_id": 374,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 9.503,
      "typing_delay": 1.497,
      "typing_duration": 14.699,
      "wpm": 46,
      "message": "x น่ะ มันมีเท่าไรที่โจทย์กำหนดมา เราก็หามาแทน "
    },
    {
      "message_id": 375,
      "agent_id": 36,
      "delay": 10.697,
      "onscreen_delay": 10.37,
      "typing_delay": 0.327,
      "typing_duration": 8.888,
      "wpm": 84,
      "message": "แบบนี้ เราหาค่าออกมาแล้วแสดงว่ามันเป็นคู่กันใช่ไหม "
    },
    {
      "message_id": 376,
      "agent_id": 12,
      "delay": 6.695,
      "onscreen_delay": 5.637,
      "typing_delay": 1.058,
      "typing_duration": 13.939,
      "wpm": 38,
      "message": "ถ้าเมื่อไรก็ตาม x เป็น -2 y เป็น -1 "
    },
    {
      "message_id": 377,
      "agent_id": 13,
      "delay": 9.937,
      "onscreen_delay": 8.164,
      "typing_delay": 1.773,
      "typing_duration": 9.643,
      "wpm": 26,
      "message": "y = -1  x  เป็น 1 "
    },
    {
      "message_id": 378,
      "agent_id": 33,
      "delay": 5.934,
      "onscreen_delay": 5.357,
      "typing_delay": 0.577,
      "typing_duration": 15.002,
      "wpm": 46,
      "message": "เท่าไรที่เราหาได้ เท่ากับ 1 ถ้า x เป็น 0 ล่ะคะ "
    },
    {
      "message_id": 379,
      "agent_id": 36,
      "delay": 10.999,
      "onscreen_delay": 9.228,
      "typing_delay": 1.771,
      "typing_duration": 10.342,
      "wpm": 38,
      "message": " x เป็น 0 y เท่ากับเท่าไรคะ "
    },
    {
      "message_id": 380,
      "agent_id": 12,
      "delay": 6.998,
      "onscreen_delay": 5.734,
      "typing_delay": 1.264,
      "typing_duration": 11.653,
      "wpm": 24,
      "message": "=3 ถ้า x เป็น 1 y = "
    },
    {
      "message_id": 381,
      "agent_id": 13,
      "delay": 7.652,
      "onscreen_delay": 5.322,
      "typing_delay": 2.33,
      "typing_duration": 10.967,
      "wpm": 38,
      "message": "5  x  เป็น 2 y เท่ากับเท่าไร "
    },
    {
      "message_id": 382,
      "agent_id": 33,
      "delay": 6.966,
      "onscreen_delay": 5.796,
      "typing_delay": 1.17,
      "typing_duration": 15.002,
      "wpm": 39,
      "message": "เท่ากับ 7 ถูกต้อง เวลาเราหาความสัมพันธ์"
    },
    {
      "message_id": 383,
      "agent_id": 36,
      "delay": 11.001,
      "onscreen_delay": 10.327,
      "typing_delay": 0.674,
      "typing_duration": 11.531,
      "wpm": 51,
      "message": "แบบนี้ออกมาเป็นคู่เป็น คู่เป็นแล้วนะลูก "
    },
    {
      "message_id": 384,
      "agent_id": 12,
      "delay": 7.531,
      "onscreen_delay": 6.854,
      "typing_delay": 0.677,
      "typing_duration": 5.101,
      "wpm": 76,
      "message": "นะคะ อันนี้ตัวเฉลยนะคะ นี่"
    },
    {
      "message_id": 385,
      "agent_id": 13,
      "delay": 3.529,
      "onscreen_delay": 1.625,
      "typing_delay": 1.904,
      "typing_duration": 12.984,
      "wpm": 38,
      "message": "มันจะเป็นคู่ออกมาแบบนี้ มีทั้งหมด"
    },
    {
      "message_id": 386,
      "agent_id": 33,
      "delay": 8.983,
      "onscreen_delay": 8.633,
      "typing_delay": 0.35,
      "typing_duration": 9.998,
      "wpm": 53,
      "message": "กี่คู่ลูก มีทั้งหมดกี่คู่ 1 2 3 4 5"
    },
    {
      "message_id": 387,
      "agent_id": 36,
      "delay": 5.997,
      "onscreen_delay": 5.247,
      "typing_delay": 0.75,
      "typing_duration": 8.982,
      "wpm": 65,
      "message": " 5 คู่ ตามค่า x ที่มันมีนะคะ ให้นักเรียน"
    },
    {
      "message_id": 388,
      "agent_id": 12,
      "delay": 4.982,
      "onscreen_delay": 4.604,
      "typing_delay": 0.378,
      "typing_duration": 9.475,
      "wpm": 44,
      "message": "สังเกตคู่อันดับ สมาชิกตัวแรก "
    },
    {
      "message_id": 389,
      "agent_id": 13,
      "delay": 5.474,
      "onscreen_delay": 4.813,
      "typing_delay": 0.661,
      "typing_duration": 10.382,
      "wpm": 62,
      "message": "คือ ค่า  x  สมาชิกตัวที่ 2 คือ ค่าy หลังจาก"
    },
    {
      "message_id": 390,
      "agent_id": 33,
      "delay": 6.381,
      "onscreen_delay": 5.89,
      "typing_delay": 0.491,
      "typing_duration": 13.771,
      "wpm": 47,
      "message": "ที่เราได้คู่อันดับแบบนี้ เราจะนำมาเขียนกราฟ "
    },
    {
      "message_id": 391,
      "agent_id": 36,
      "delay": 9.77,
      "onscreen_delay": 9.382,
      "typing_delay": 0.388,
      "typing_duration": 8.772,
      "wpm": 77,
      "message": "มาเขียนกราฟ เขียนแบบไหนนะคะ เราจะใช้ตารางกราฟ"
    },
    {
      "message_id": 392,
      "agent_id": 12,
      "delay": 5.769,
      "onscreen_delay": 5.219,
      "typing_delay": 0.55,
      "typing_duration": 8.03,
      "wpm": 47,
      "message": "นะคะ มันจะเป็นตาราง มันจะ"
    },
    {
      "message_id": 393,
      "agent_id": 13,
      "delay": 4.029,
      "onscreen_delay": 2.93,
      "typing_delay": 1.099,
      "typing_duration": 7.466,
      "wpm": 66,
      "message": "เท่า ๆ กัน แบ่งช่องเท่า ๆ กันนะคะ "
    },
    {
      "message_id": 394,
      "agent_id": 33,
      "delay": 4.711,
      "onscreen_delay": 0,
      "typing_delay": 4.711,
      "typing_duration": 4.711,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 395,
      "agent_id": 36,
      "delay": 2.846,
      "onscreen_delay": 0,
      "typing_delay": 2.846,
      "typing_duration": 8.454,
      "wpm": 28,
      "message": "แกน ลูกดูดี ๆ นะ "
    },
    {
      "message_id": 396,
      "agent_id": 12,
      "delay": 4.453,
      "onscreen_delay": 3.798,
      "typing_delay": 0.655,
      "typing_duration": 6.296,
      "wpm": 71,
      "message": "แนวตั้ง แนวตั้งเขาใช้แทนอะไรคะ "
    },
    {
      "message_id": 397,
      "agent_id": 13,
      "delay": 2.291,
      "onscreen_delay": 0.915,
      "typing_delay": 1.376,
      "typing_duration": 6.521,
      "wpm": 46,
      "message": "แทนอะไร y นะคะ ตัว y "
    },
    {
      "message_id": 398,
      "agent_id": 33,
      "delay": 2.52,
      "onscreen_delay": 1.265,
      "typing_delay": 1.255,
      "typing_duration": 14.536,
      "wpm": 44,
      "message": "ถามว่า y อยู่ข้างหน้า หรือข้างหลังคู่อันดับ "
    },
    {
      "message_id": 399,
      "agent_id": 36,
      "delay": 10.535,
      "onscreen_delay": 9.92,
      "typing_delay": 0.615,
      "typing_duration": 4.607,
      "wpm": 78,
      "message": "อยู่ข้างหน้าหรือข้างหลัง "
    },
    {
      "message_id": 400,
      "agent_id": 12,
      "delay": 6.535,
      "onscreen_delay": 4.878,
      "typing_delay": 1.657,
      "typing_duration": 6.569,
      "wpm": 57,
      "message": "ข้างหน้าหรือข้างหลัง ดูนะ "
    },
    {
      "message_id": 401,
      "agent_id": 13,
      "delay": 2.567,
      "onscreen_delay": 1.617,
      "typing_delay": 0.95,
      "typing_duration": 10.022,
      "wpm": 54,
      "message": "นี่ คู่อันดับตัวนี้ กับตัวนี้ อันไหน "
    },
    {
      "message_id": 402,
      "agent_id": 33,
      "delay": 6.02,
      "onscreen_delay": 5.812,
      "typing_delay": 0.208,
      "typing_duration": 12.031,
      "wpm": 45,
      "message": "เป็น x อันไหนเป็น y ลูกว่า สีแดงค ือ"
    },
    {
      "message_id": 403,
      "agent_id": 36,
      "delay": 8.028,
      "onscreen_delay": 7.549,
      "typing_delay": 0.479,
      "typing_duration": 10.001,
      "wpm": 51,
      "message": "แกน x แกน x คือแนวนอนนะคะ สีดำ คือ "
    },
    {
      "message_id": 404,
      "agent_id": 12,
      "delay": 5.999,
      "onscreen_delay": 4.99,
      "typing_delay": 1.009,
      "typing_duration": 7.976,
      "wpm": 47,
      "message": "แกน y y คือแนวตั้ง y สีดำ"
    },
    {
      "message_id": 405,
      "agent_id": 13,
      "delay": 3.974,
      "onscreen_delay": 3.274,
      "typing_delay": 0.7,
      "typing_duration": 11.3,
      "wpm": 68,
      "message": "คือ แนวตั้ง เราจะแบ่งนะคะ ขีดเส้น แกน  x  กับ แกน y "
    },
    {
      "message_id": 406,
      "agent_id": 33,
      "delay": 7.299,
      "onscreen_delay": 6.389,
      "typing_delay": 0.91,
      "typing_duration": 11.344,
      "wpm": 38,
      "message": "จุดที่มันตัดกันคือ 00 นะคะ 00 "
    },
    {
      "message_id": 407,
      "agent_id": 36,
      "delay": 7.343,
      "onscreen_delay": 6.757,
      "typing_delay": 0.586,
      "typing_duration": 11.81,
      "wpm": 37,
      "message": "ข้างบน ดูแนวตั้งก่อนนะ ข้างบน "
    },
    {
      "message_id": 408,
      "agent_id": 12,
      "delay": 7.809,
      "onscreen_delay": 7.142,
      "typing_delay": 0.667,
      "typing_duration": 9.907,
      "wpm": 61,
      "message": "ก็คือนับเป็นบวก 1 2 3 แต่ถ้าลงมาข้างล่าง"
    },
    {
      "message_id": 409,
      "agent_id": 13,
      "delay": 5.907,
      "onscreen_delay": 5.257,
      "typing_delay": 0.65,
      "typing_duration": 10.153,
      "wpm": 71,
      "message": "เป็นอะไรคะ อันนี้ครูเขียนผิดนะนี่ ต้องใส่ - ด้วย "
    },
    {
      "message_id": 410,
      "agent_id": 33,
      "delay": 6.15,
      "onscreen_delay": 5.587,
      "typing_delay": 0.563,
      "typing_duration": 13.083,
      "wpm": 29,
      "message": "ก็คือ -1 -2 -3 สังเกตดี ๆ "
    },
    {
      "message_id": 411,
      "agent_id": 36,
      "delay": 9.082,
      "onscreen_delay": 8.588,
      "typing_delay": 0.494,
      "typing_duration": 8.229,
      "wpm": 87,
      "message": "ต้องเท่ากันนะคะ เวลาเขียนแบ่งช่องต้องเท่ากันเสมอ "
    },
    {
      "message_id": 412,
      "agent_id": 12,
      "delay": 5.082,
      "onscreen_delay": 3.864,
      "typing_delay": 1.218,
      "typing_duration": 11.505,
      "wpm": 33,
      "message": "โอเคไหม แกน x ก็เหมือนกัน"
    },
    {
      "message_id": 413,
      "agent_id": 13,
      "delay": 7.504,
      "onscreen_delay": 6.763,
      "typing_delay": 0.741,
      "typing_duration": 12.453,
      "wpm": 59,
      "message": "เมื่อไหร่ก็ตาม อันนี้ จุด 0 ใช่ไหม เมื่อไหร่ก็ตาม "
    },
    {
      "message_id": 414,
      "agent_id": 33,
      "delay": 8.452,
      "onscreen_delay": 7.86,
      "typing_delay": 0.592,
      "typing_duration": 11.105,
      "wpm": 47,
      "message": "ไปทางขวามือ มันจะมีค่าเป็นบวก 1 2 3 "
    },
    {
      "message_id": 415,
      "agent_id": 36,
      "delay": 7.103,
      "onscreen_delay": 6.238,
      "typing_delay": 0.865,
      "typing_duration": 10.482,
      "wpm": 49,
      "message": "โอเคนะ แล้วทีนี้มาทางซ้ายล่ะ ติดลบ"
    },
    {
      "message_id": 416,
      "agent_id": 12,
      "delay": 6.481,
      "onscreen_delay": 5.318,
      "typing_delay": 1.163,
      "typing_duration": 6.163,
      "wpm": 19,
      "message": "-1 -2 -3 "
    },
    {
      "message_id": 417,
      "agent_id": 13,
      "delay": 2.48,
      "onscreen_delay": 1.704,
      "typing_delay": 0.776,
      "typing_duration": 11.081,
      "wpm": 68,
      "message": "พอเข้าใจไหม อันนี้คือการเขียนค่า เวลาเราเอามาใส่ใน"
    },
    {
      "message_id": 418,
      "agent_id": 33,
      "delay": 7.08,
      "onscreen_delay": 6.461,
      "typing_delay": 0.619,
      "typing_duration": 11.035,
      "wpm": 48,
      "message": "กระดาษกราฟนะคะ หลังจากนั้น คู่นะลูก "
    },
    {
      "message_id": 419,
      "agent_id": 36,
      "delay": 7.034,
      "onscreen_delay": 6.612,
      "typing_delay": 0.422,
      "typing_duration": 10.246,
      "wpm": 72,
      "message": "เรามีแล้ว เรามีแล้ว เราจะไปวางอย่างไร เราจะไปหา x "
    },
    {
      "message_id": 420,
      "agent_id": 12,
      "delay": 6.244,
      "onscreen_delay": 5.494,
      "typing_delay": 0.75,
      "typing_duration": 5.43,
      "wpm": 55,
      "message": "กับ y นะคะ จากตรงนี้ "
    },
    {
      "message_id": 421,
      "agent_id": 13,
      "delay": 3.705,
      "onscreen_delay": 0,
      "typing_delay": 3.705,
      "typing_duration": 6.106,
      "wpm": 20,
      "message": "เมื่อ  x  "
    },
    {
      "message_id": 422,
      "agent_id": 33,
      "delay": 2.105,
      "onscreen_delay": 1.702,
      "typing_delay": 0.403,
      "typing_duration": 13.232,
      "wpm": 48,
      "message": "เป็น -2 ดูตรงกระดานนะคะ ดูตรงกระดาน ครูติด"
    },
    {
      "message_id": 423,
      "agent_id": 36,
      "delay": 9.231,
      "onscreen_delay": 8.711,
      "typing_delay": 0.52,
      "typing_duration": 11.512,
      "wpm": 47,
      "message": "กระดาษกราฟเอาไว้ให้ x เป็น -2 y เป็น "
    },
    {
      "message_id": 424,
      "agent_id": 12,
      "delay": 7.512,
      "onscreen_delay": 6.373,
      "typing_delay": 1.139,
      "typing_duration": 6.346,
      "wpm": 61,
      "message": "-1 ลูกจะต้องไปดูช่องไหน ดู"
    },
    {
      "message_id": 425,
      "agent_id": 13,
      "delay": 3.511,
      "onscreen_delay": 2.863,
      "typing_delay": 0.648,
      "typing_duration": 7.984,
      "wpm": 49,
      "message": "ช่องไหนคะ มามองฝั่งด้านนี้ "
    },
    {
      "message_id": 426,
      "agent_id": 33,
      "delay": 3.982,
      "onscreen_delay": 2.471,
      "typing_delay": 1.511,
      "typing_duration": 15,
      "wpm": 28,
      "message": "x คือเส้นนี้ใช่ไหมคะ x - 2 ต"
    },
    {
      "message_id": 427,
      "agent_id": 36,
      "delay": 10.998,
      "onscreen_delay": 9.434,
      "typing_delay": 1.564,
      "typing_duration": 7.394,
      "wpm": 47,
      "message": "x -2 ตรงนี้นะ ลากขึ้นไป "
    },
    {
      "message_id": 428,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 6.106,
      "typing_delay": 0.891,
      "typing_duration": 13.574,
      "wpm": 49,
      "message": "อันนี้คือ y - 1 อยู่ข้างบนหรืออยู่ข้างล่างคะ "
    },
    {
      "message_id": 429,
      "agent_id": 13,
      "delay": 9.573,
      "onscreen_delay": 8.155,
      "typing_delay": 1.418,
      "typing_duration": 9.37,
      "wpm": 67,
      "message": "จะอยู่ข้างล่างนะคะ อยู่ข้างล่าง คือ ตรงนี้ "
    },
    {
      "message_id": 430,
      "agent_id": 33,
      "delay": 5.572,
      "onscreen_delay": 4.993,
      "typing_delay": 0.579,
      "typing_duration": 14.778,
      "wpm": 45,
      "message": "เพราะฉะนั้น จุดตัวนี้ คู่อันดับคือ -2 กับ -1 "
    },
    {
      "message_id": 431,
      "agent_id": 36,
      "delay": 10.778,
      "onscreen_delay": 10.068,
      "typing_delay": 0.71,
      "typing_duration": 7.71,
      "wpm": 60,
      "message": "ตำแหน่งก็คือตรงนี้ อันนี้คือ -2 "
    },
    {
      "message_id": 432,
      "agent_id": 12,
      "delay": 6.776,
      "onscreen_delay": 6.177,
      "typing_delay": 0.599,
      "typing_duration": 9.561,
      "wpm": 49,
      "message": "คือค่า x ค่า x ดูตรงแกนนอนนะลูก "
    },
    {
      "message_id": 433,
      "agent_id": 13,
      "delay": 5.56,
      "onscreen_delay": 4.241,
      "typing_delay": 1.319,
      "typing_duration": 11.238,
      "wpm": 43,
      "message": "แกน y -1 นี่ มันตัดกันอยู่ตรงนี้ "
    },
    {
      "message_id": 434,
      "agent_id": 33,
      "delay": 7.236,
      "onscreen_delay": 6.343,
      "typing_delay": 0.893,
      "typing_duration": 10.877,
      "wpm": 39,
      "message": "จุดตรงนี้คือจุดตัดกัน โอเคนะ "
    },
    {
      "message_id": 435,
      "agent_id": 36,
      "delay": 6.874,
      "onscreen_delay": 6.196,
      "typing_delay": 0.678,
      "typing_duration": 6.839,
      "wpm": 81,
      "message": "ให้ออกมาวาง เป็นคู่เลย เหลืออีก 4 คู่ "
    },
    {
      "message_id": 436,
      "agent_id": 12,
      "delay": 2.873,
      "onscreen_delay": 1.484,
      "typing_delay": 1.389,
      "typing_duration": 7.587,
      "wpm": 40,
      "message": "พี่เพียวมาวางตำแหน่ง "
    },
    {
      "message_id": 437,
      "agent_id": 13,
      "delay": 3.587,
      "onscreen_delay": 2.611,
      "typing_delay": 0.976,
      "typing_duration": 15.001,
      "wpm": 33,
      "message": "ค่า  x  ที่เพียวหามา  x  = -1 y ช"
    },
    {
      "message_id": 438,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 10.431,
      "typing_delay": 0.569,
      "typing_duration": 8.6,
      "wpm": 45,
      "message": "เพียวน่ะ จะวางตรงไหนตัวนี้ "
    },
    {
      "message_id": 439,
      "agent_id": 36,
      "delay": 6.999,
      "onscreen_delay": 6.417,
      "typing_delay": 0.582,
      "typing_duration": 8.661,
      "wpm": 40,
      "message": "จำพรอดตรงไหน ออกมานี่ ๆ "
    },
    {
      "message_id": 440,
      "agent_id": 12,
      "delay": 4.661,
      "onscreen_delay": 3.574,
      "typing_delay": 1.087,
      "typing_duration": 4.721,
      "wpm": 35,
      "message": "ออกมาวางเลย "
    },
    {
      "message_id": 441,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 442,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 5.476,
      "typing_delay": 5.524,
      "typing_duration": 8.194,
      "wpm": 9,
      "message": "แกน x "
    },
    {
      "message_id": 443,
      "agent_id": 36,
      "delay": 6.998,
      "onscreen_delay": 5.344,
      "typing_delay": 1.654,
      "typing_duration": 4.605,
      "wpm": 49,
      "message": "-1 อยู่ตรงไหนคะ "
    },
    {
      "message_id": 444,
      "agent_id": 12,
      "delay": 2.995,
      "onscreen_delay": 1.55,
      "typing_delay": 1.445,
      "typing_duration": 10.046,
      "wpm": 61,
      "message": "-1 อยู่ตรงไหน ชี้ให้ครูดูสิคะ ชี้ให้ครูดู "
    },
    {
      "message_id": 445,
      "agent_id": 13,
      "delay": 6.044,
      "onscreen_delay": 3.546,
      "typing_delay": 2.498,
      "typing_duration": 6.38,
      "wpm": 56,
      "message": "ตรงนี้ อันนี้คือ -1 นะคะ "
    },
    {
      "message_id": 446,
      "agent_id": 33,
      "delay": 2.379,
      "onscreen_delay": 0.817,
      "typing_delay": 1.562,
      "typing_duration": 13.894,
      "wpm": 45,
      "message": "y เท่ากับเท่าไร ค่าที่เพียวหาได้ y เท่ากับ "
    },
    {
      "message_id": 447,
      "agent_id": 36,
      "delay": 9.892,
      "onscreen_delay": 7.143,
      "typing_delay": 2.749,
      "typing_duration": 7.518,
      "wpm": 44,
      "message": "1 อยู่ข้างบน ตรงนั้น.. "
    },
    {
      "message_id": 448,
      "agent_id": 12,
      "delay": 5.891,
      "onscreen_delay": 4.284,
      "typing_delay": 1.607,
      "typing_duration": 9.498,
      "wpm": 47,
      "message": "ใช่ เอามาวาง เอาพล็อตมาพล็อตสิ "
    },
    {
      "message_id": 449,
      "agent_id": 13,
      "delay": 5.496,
      "onscreen_delay": 4.299,
      "typing_delay": 1.197,
      "typing_duration": 7.342,
      "wpm": 55,
      "message": "ตำแหน่งตรงไหน ตรงกันหรือยัง"
    },
    {
      "message_id": 450,
      "agent_id": 33,
      "delay": 3.341,
      "onscreen_delay": 3.072,
      "typing_delay": 0.269,
      "typing_duration": 12.058,
      "wpm": 49,
      "message": "นะคะ ตัวที่ตัดกันพอดี อันนี้ -1 เห็นไหม "
    },
    {
      "message_id": 451,
      "agent_id": 36,
      "delay": 8.057,
      "onscreen_delay": 3.184,
      "typing_delay": 4.873,
      "typing_duration": 6.753,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 452,
      "agent_id": 12,
      "delay": 4.056,
      "onscreen_delay": 3.156,
      "typing_delay": 0.9,
      "typing_duration": 8.625,
      "wpm": 57,
      "message": "ตรงกันแล้ว อันนี้คือ x -1 y คือ 1 "
    },
    {
      "message_id": 453,
      "agent_id": 13,
      "delay": 4.624,
      "onscreen_delay": 3.094,
      "typing_delay": 1.53,
      "typing_duration": 6.65,
      "wpm": 36,
      "message": "โอเคนะ มา แท็คมา "
    },
    {
      "message_id": 454,
      "agent_id": 33,
      "delay": 4.209,
      "onscreen_delay": 0,
      "typing_delay": 4.209,
      "typing_duration": 7.72,
      "wpm": 17,
      "message": "เพชรก็ได้ "
    },
    {
      "message_id": 455,
      "agent_id": 36,
      "delay": 3.719,
      "onscreen_delay": 1.818,
      "typing_delay": 1.901,
      "typing_duration": 10.92,
      "wpm": 62,
      "message": "ตัวแทนของคู่นะคะ ทีนี้เราก็จะเห็นเป็นเส้นแล้ว"
    },
    {
      "message_id": 456,
      "agent_id": 12,
      "delay": 6.917,
      "onscreen_delay": 2.263,
      "typing_delay": 4.654,
      "typing_duration": 4.654,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 457,
      "agent_id": 13,
      "delay": 4.718,
      "onscreen_delay": 0,
      "typing_delay": 4.718,
      "typing_duration": 4.718,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 458,
      "agent_id": 33,
      "delay": 4.384,
      "onscreen_delay": 0,
      "typing_delay": 4.384,
      "typing_duration": 4.384,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 459,
      "agent_id": 36,
      "delay": 2.248,
      "onscreen_delay": 0,
      "typing_delay": 2.248,
      "typing_duration": 9.917,
      "wpm": 33,
      "message": "x เป็น 0 x 0 คือตรงนี้ "
    },
    {
      "message_id": 460,
      "agent_id": 12,
      "delay": 5.914,
      "onscreen_delay": 4.779,
      "typing_delay": 1.135,
      "typing_duration": 4.805,
      "wpm": 25,
      "message": "y เท่าไร "
    },
    {
      "message_id": 461,
      "agent_id": 13,
      "delay": 3.483,
      "onscreen_delay": 0,
      "typing_delay": 3.483,
      "typing_duration": 9.756,
      "wpm": 42,
      "message": "y คือ ตรงนี้ ไปวาง ไปวางลูก "
    },
    {
      "message_id": 462,
      "agent_id": 33,
      "delay": 5.755,
      "onscreen_delay": 5.314,
      "typing_delay": 0.441,
      "typing_duration": 15,
      "wpm": 40,
      "message": "เอาไปวางเลยค่ะ ตัวแหน่งไปวาง ไปพรอดเลยนะ"
    },
    {
      "message_id": 463,
      "agent_id": 36,
      "delay": 10.999,
      "onscreen_delay": 9.425,
      "typing_delay": 1.574,
      "typing_duration": 8.502,
      "wpm": 55,
      "message": "เราต้องวางตรง 0 ใช่ไหม x เป็น 0 "
    },
    {
      "message_id": 464,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 5.807,
      "typing_delay": 1.19,
      "typing_duration": 8.928,
      "wpm": 67,
      "message": "ตรงไหมนี่ลูก เพชรวางตรงหรือยัง มันไม่ตรง"
    },
    {
      "message_id": 465,
      "agent_id": 13,
      "delay": 4.926,
      "onscreen_delay": 4.249,
      "typing_delay": 0.677,
      "typing_duration": 7.598,
      "wpm": 57,
      "message": "มันไม่ตรง นี่ วาง มันไม่ตรง 0 "
    },
    {
      "message_id": 466,
      "agent_id": 33,
      "delay": 3.598,
      "onscreen_delay": 2.818,
      "typing_delay": 0.78,
      "typing_duration": 13.155,
      "wpm": 41,
      "message": "0 อยู่ตรงไหน y 3 ก็คือต้องเป็นจุดนี้ "
    },
    {
      "message_id": 467,
      "agent_id": 36,
      "delay": 9.153,
      "onscreen_delay": 7.528,
      "typing_delay": 1.625,
      "typing_duration": 13.521,
      "wpm": 27,
      "message": "ถูกไหม เพชรวางตรงที่ 0,0 "
    },
    {
      "message_id": 468,
      "agent_id": 12,
      "delay": 9.52,
      "onscreen_delay": 8.943,
      "typing_delay": 0.577,
      "typing_duration": 12.306,
      "wpm": 39,
      "message": "น่ะลูก 0 น่ะถูกแล้วตำแหน่ง x แต่"
    },
    {
      "message_id": 469,
      "agent_id": 13,
      "delay": 8.302,
      "onscreen_delay": 7.479,
      "typing_delay": 0.823,
      "typing_duration": 10.736,
      "wpm": 60,
      "message": "จะต้องเป็น 3 เพราะฉะนั้น เลข 3 y อยู่ตรงไหน "
    },
    {
      "message_id": 470,
      "agent_id": 33,
      "delay": 6.733,
      "onscreen_delay": 6.007,
      "typing_delay": 0.726,
      "typing_duration": 15,
      "wpm": 42,
      "message": "3 อยู่ไหนลูก ถูกต้อง หนูต้องเอามาวางตรงนี้ "
    },
    {
      "message_id": 471,
      "agent_id": 36,
      "delay": 10.998,
      "onscreen_delay": 6.35,
      "typing_delay": 4.648,
      "typing_duration": 4.648,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 472,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 2.873,
      "typing_delay": 4.124,
      "typing_duration": 6.304,
      "wpm": 19,
      "message": "ทับไปเลย"
    },
    {
      "message_id": 473,
      "agent_id": 13,
      "delay": 2.995,
      "onscreen_delay": 1.995,
      "typing_delay": 1,
      "typing_duration": 10.657,
      "wpm": 28,
      "message": "นะคะ เอาวางจุดที่มัน "
    },
    {
      "message_id": 474,
      "agent_id": 33,
      "delay": 6.657,
      "onscreen_delay": 6.275,
      "typing_delay": 0.382,
      "typing_duration": 14.542,
      "wpm": 42,
      "message": "เวลาเราขีด ๆ ๆ มา 0 ตรงนี้น่ะ ให้เอา พรอด "
    },
    {
      "message_id": 475,
      "agent_id": 36,
      "delay": 10.54,
      "onscreen_delay": 9.636,
      "typing_delay": 0.904,
      "typing_duration": 10.37,
      "wpm": 62,
      "message": "ตัวนี้ แล้วก็เอามาจุดตรงนี้ที่เป็นคู่อันดับ "
    },
    {
      "message_id": 476,
      "agent_id": 12,
      "delay": 6.539,
      "onscreen_delay": 5.221,
      "typing_delay": 1.318,
      "typing_duration": 8.371,
      "wpm": 65,
      "message": "2 คนนี้ใครออกมาลูก ออกมาลูกปิ่นออกมา "
    },
    {
      "message_id": 477,
      "agent_id": 13,
      "delay": 4.629,
      "onscreen_delay": 0,
      "typing_delay": 4.629,
      "typing_duration": 4.629,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 478,
      "agent_id": 33,
      "delay": 7.085,
      "onscreen_delay": 0,
      "typing_delay": 7.085,
      "typing_duration": 8.172,
      "wpm": 9,
      "message": "เมื่อ "
    },
    {
      "message_id": 479,
      "agent_id": 36,
      "delay": 4.171,
      "onscreen_delay": 3.356,
      "typing_delay": 0.815,
      "typing_duration": 7.276,
      "wpm": 35,
      "message": "x เป็น 1 y เท่าไร "
    },
    {
      "message_id": 480,
      "agent_id": 12,
      "delay": 3.274,
      "onscreen_delay": 2.59,
      "typing_delay": 0.684,
      "typing_duration": 8.637,
      "wpm": 31,
      "message": "เห็นไหม x1 y = 5 x "
    },
    {
      "message_id": 481,
      "agent_id": 13,
      "delay": 4.637,
      "onscreen_delay": 3.831,
      "typing_delay": 0.806,
      "typing_duration": 7.959,
      "wpm": 38,
      "message": "อยู่ไหน 1 อยู่ไหน  x  "
    },
    {
      "message_id": 482,
      "agent_id": 33,
      "delay": 3.958,
      "onscreen_delay": 0.956,
      "typing_delay": 3.002,
      "typing_duration": 10.609,
      "wpm": 31,
      "message": "ถูกต้อง อันนี้เท่าไร 5 "
    },
    {
      "message_id": 483,
      "agent_id": 36,
      "delay": 6.609,
      "onscreen_delay": 4.841,
      "typing_delay": 1.768,
      "typing_duration": 8.929,
      "wpm": 74,
      "message": "เลื่อนขึ้นไปเลยลูก เลื่อนขึ้นไป เลื่อนขึ้นไป "
    },
    {
      "message_id": 484,
      "agent_id": 12,
      "delay": 4.927,
      "onscreen_delay": 1.04,
      "typing_delay": 3.887,
      "typing_duration": 7.463,
      "wpm": 2,
      "message": "5 "
    },
    {
      "message_id": 485,
      "agent_id": 13,
      "delay": 3.462,
      "onscreen_delay": 2.162,
      "typing_delay": 1.3,
      "typing_duration": 6.924,
      "wpm": 69,
      "message": "มันต้องตรงกัน ต้องตรงกันอย่างนี้ "
    },
    {
      "message_id": 486,
      "agent_id": 33,
      "delay": 4.107,
      "onscreen_delay": 0,
      "typing_delay": 4.107,
      "typing_duration": 11.988,
      "wpm": 19,
      "message": "ลูกไม่ต้องเอียง"
    },
    {
      "message_id": 487,
      "agent_id": 36,
      "delay": 7.986,
      "onscreen_delay": 7.479,
      "typing_delay": 0.507,
      "typing_duration": 8.275,
      "wpm": 58,
      "message": "มาหาอย่างนี้ 1 ก็คือ 1 แล้วก็ชี้"
    },
    {
      "message_id": 488,
      "agent_id": 12,
      "delay": 4.273,
      "onscreen_delay": 3.693,
      "typing_delay": 0.58,
      "typing_duration": 8.909,
      "wpm": 35,
      "message": "ให้มันตรง 1 ไปเลยนะคะ "
    },
    {
      "message_id": 489,
      "agent_id": 13,
      "delay": 4.905,
      "onscreen_delay": 3.767,
      "typing_delay": 1.138,
      "typing_duration": 6.33,
      "wpm": 78,
      "message": "แล้วก็เลข 5 อยู่ตรงไหน อยู่ตรงนี้ "
    },
    {
      "message_id": 490,
      "agent_id": 33,
      "delay": 2.328,
      "onscreen_delay": 1.46,
      "typing_delay": 0.868,
      "typing_duration": 9.643,
      "wpm": 36,
      "message": "โอเค ถูกหรือยัง ถูกแล้ว "
    },
    {
      "message_id": 491,
      "agent_id": 36,
      "delay": 5.641,
      "onscreen_delay": 4.776,
      "typing_delay": 0.865,
      "typing_duration": 5.369,
      "wpm": 67,
      "message": "ออกมาเลยค่ะ น้องตาลออกมา"
    },
    {
      "message_id": 492,
      "agent_id": 12,
      "delay": 2.807,
      "onscreen_delay": 0,
      "typing_delay": 2.807,
      "typing_duration": 9.141,
      "wpm": 23,
      "message": "x เป็น 2 y = 7 "
    },
    {
      "message_id": 493,
      "agent_id": 13,
      "delay": 5.14,
      "onscreen_delay": 4.032,
      "typing_delay": 1.108,
      "typing_duration": 7.724,
      "wpm": 39,
      "message": "ลูก  x  เป็น 2 y = 7 "
    },
    {
      "message_id": 494,
      "agent_id": 33,
      "delay": 3.723,
      "onscreen_delay": 2.718,
      "typing_delay": 1.005,
      "typing_duration": 7.212,
      "wpm": 23,
      "message": "2 อยู่ไหนคะ "
    },
    {
      "message_id": 495,
      "agent_id": 36,
      "delay": 3.211,
      "onscreen_delay": 0.086,
      "typing_delay": 3.125,
      "typing_duration": 7.109,
      "wpm": 25,
      "message": "ตัวนี้ ค่า x "
    },
    {
      "message_id": 496,
      "agent_id": 12,
      "delay": 3.107,
      "onscreen_delay": 2.452,
      "typing_delay": 0.655,
      "typing_duration": 7.583,
      "wpm": 42,
      "message": "ให้ดูค่า x ให้ดูค่า x "
    },
    {
      "message_id": 497,
      "agent_id": 13,
      "delay": 3.582,
      "onscreen_delay": 2.878,
      "typing_delay": 0.704,
      "typing_duration": 8.193,
      "wpm": 70,
      "message": "อันนี้คือ x  xเป็น 2 อยู่ไหน อันนี้คือ"
    },
    {
      "message_id": 498,
      "agent_id": 33,
      "delay": 4.191,
      "onscreen_delay": 2.35,
      "typing_delay": 1.841,
      "typing_duration": 9.319,
      "wpm": 35,
      "message": "2 y เท่าไรลูก y เท่าไร "
    },
    {
      "message_id": 499,
      "agent_id": 36,
      "delay": 5.317,
      "onscreen_delay": 2.29,
      "typing_delay": 3.027,
      "typing_duration": 8.447,
      "wpm": 46,
      "message": "y มันเป็นบวกนะคะ y มันเป็น "
    },
    {
      "message_id": 500,
      "agent_id": 12,
      "delay": 4.446,
      "onscreen_delay": 2.587,
      "typing_delay": 1.859,
      "typing_duration": 14.378,
      "wpm": 55,
      "message": "+ 7 เพราะฉะนั้น มันจะต้องอยู่ข้างบนหรือจะอยู่ข้างล่าง "
    },
    {
      "message_id": 501,
      "agent_id": 13,
      "delay": 10.377,
      "onscreen_delay": 9.742,
      "typing_delay": 0.635,
      "typing_duration": 10.539,
      "wpm": 73,
      "message": "มันจะอยู่ข้างบน มันจะอยู่ข้างบนนะคะ มันจะอยู่ข้างบน "
    },
    {
      "message_id": 502,
      "agent_id": 33,
      "delay": 6.538,
      "onscreen_delay": 2.081,
      "typing_delay": 4.457,
      "typing_duration": 10.33,
      "wpm": 28,
      "message": "อันนี้ 6 ต้องขึ้นมา"
    },
    {
      "message_id": 503,
      "agent_id": 36,
      "delay": 6.329,
      "onscreen_delay": 5.903,
      "typing_delay": 0.426,
      "typing_duration": 4.954,
      "wpm": 33,
      "message": "เป็น 7 นะคะ "
    },
    {
      "message_id": 504,
      "agent_id": 12,
      "delay": 2.328,
      "onscreen_delay": 0.619,
      "typing_delay": 1.709,
      "typing_duration": 5.742,
      "wpm": 37,
      "message": "เสร็จแล้ว โอเค "
    },
    {
      "message_id": 505,
      "agent_id": 13,
      "delay": 1.74,
      "onscreen_delay": 0.621,
      "typing_delay": 1.119,
      "typing_duration": 9.944,
      "wpm": 63,
      "message": "นักเรียนดูบนภาพ ยนกระดาน นักเรียนเห็นไหมคะ "
    },
    {
      "message_id": 506,
      "agent_id": 33,
      "delay": 5.943,
      "onscreen_delay": 5.181,
      "typing_delay": 0.762,
      "typing_duration": 10.965,
      "wpm": 62,
      "message": "ความสัมพันธ์นี้ เส้นนี่มมันเป็นอย่างไรลูก มัน"
    },
    {
      "message_id": 507,
      "agent_id": 36,
      "delay": 6.959,
      "onscreen_delay": 6.5,
      "typing_delay": 0.459,
      "typing_duration": 10.657,
      "wpm": 76,
      "message": "ตัดมาอย่างนี้เลยใช่ไหม ถ้าเราขีดเส้นมันจะเส้นยาวแบบนี้ "
    },
    {
      "message_id": 508,
      "agent_id": 12,
      "delay": 6.656,
      "onscreen_delay": 5.381,
      "typing_delay": 1.275,
      "typing_duration": 6.74,
      "wpm": 76,
      "message": "เอาไม้บรรทัดมานะคะ แล้วก็ขีดเชื่อม"
    },
    {
      "message_id": 509,
      "agent_id": 13,
      "delay": 2.74,
      "onscreen_delay": 1.99,
      "typing_delay": 0.75,
      "typing_duration": 13,
      "wpm": 54,
      "message": "ระหว่างจุดที่มันตัดกันนี่ ขีดมาอย่างนี้ ระหว่าง"
    },
    {
      "message_id": 510,
      "agent_id": 33,
      "delay": 8.998,
      "onscreen_delay": 8.554,
      "typing_delay": 0.444,
      "typing_duration": 9.54,
      "wpm": 53,
      "message": "ความสัมพันธ์เชิงเส้นของสมการตัวนี้ "
    },
    {
      "message_id": 511,
      "agent_id": 36,
      "delay": 5.539,
      "onscreen_delay": 4.382,
      "typing_delay": 1.157,
      "typing_duration": 8.833,
      "wpm": 78,
      "message": "เข้าใจไหม อันนี้คือตัวสุดท้ายที่มันจะเสร็จนะคะ "
    },
    {
      "message_id": 512,
      "agent_id": 12,
      "delay": 4.832,
      "onscreen_delay": 4.393,
      "typing_delay": 0.439,
      "typing_duration": 7.008,
      "wpm": 58,
      "message": "ก็คือเอาอะไรคะ เอาไม้บรรทัด"
    },
    {
      "message_id": 513,
      "agent_id": 13,
      "delay": 3.007,
      "onscreen_delay": 2.178,
      "typing_delay": 0.829,
      "typing_duration": 10.883,
      "wpm": 52,
      "message": "นะคะ ขีดเส้น ระหว่างที่เรา Plot เอาไว้"
    },
    {
      "message_id": 514,
      "agent_id": 33,
      "delay": 6.882,
      "onscreen_delay": 6.411,
      "typing_delay": 0.471,
      "typing_duration": 14.662,
      "wpm": 43,
      "message": "นะคะ มันจะตัดตรงไหน เราก็ขีดเส้นเลย โอเคนะ "
    },
    {
      "message_id": 515,
      "agent_id": 36,
      "delay": 10.661,
      "onscreen_delay": 8.355,
      "typing_delay": 2.306,
      "typing_duration": 6.225,
      "wpm": 63,
      "message": "ทีนี้ครูจะให้นักเรียนทำเอง"
    },
    {
      "message_id": 516,
      "agent_id": 12,
      "delay": 6.661,
      "onscreen_delay": 6.293,
      "typing_delay": 0.368,
      "typing_duration": 5.504,
      "wpm": 27,
      "message": "นะคะ ข้อ 2 "
    },
    {
      "message_id": 517,
      "agent_id": 13,
      "delay": 2.659,
      "onscreen_delay": 1.813,
      "typing_delay": 0.846,
      "typing_duration": 8.159,
      "wpm": 63,
      "message": "นักเรียนทำเองนะคะ ดูข้อ 2 นะ ข้อ 1 "
    },
    {
      "message_id": 518,
      "agent_id": 33,
      "delay": 4.158,
      "onscreen_delay": 3.738,
      "typing_delay": 0.42,
      "typing_duration": 13.372,
      "wpm": 44,
      "message": "ครูพาทำแล้ว ทีนี้ครูเปลี่ยนแล้วนะ สมการ "
    },
    {
      "message_id": 519,
      "agent_id": 36,
      "delay": 9.371,
      "onscreen_delay": 8.229,
      "typing_delay": 1.142,
      "typing_duration": 11.437,
      "wpm": 41,
      "message": "ครูเปลี่ยนแล้วสมการเป็น y = -3x "
    },
    {
      "message_id": 520,
      "agent_id": 12,
      "delay": 7.436,
      "onscreen_delay": 6.133,
      "typing_delay": 1.303,
      "typing_duration": 11.888,
      "wpm": 43,
      "message": "+ 1 x เหมือนเดิมนะลูก x เหมือนเดิม "
    },
    {
      "message_id": 521,
      "agent_id": 13,
      "delay": 7.887,
      "onscreen_delay": 5.913,
      "typing_delay": 1.974,
      "typing_duration": 7.956,
      "wpm": 70,
      "message": "x มีค่าเท่าเดิม แต่ y จะต้องเปลี่ยนไป "
    },
    {
      "message_id": 522,
      "agent_id": 33,
      "delay": 4.4,
      "onscreen_delay": 0,
      "typing_delay": 4.4,
      "typing_duration": 4.4,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 523,
      "agent_id": 36,
      "delay": 4.365,
      "onscreen_delay": 0,
      "typing_delay": 4.365,
      "typing_duration": 4.365,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 524,
      "agent_id": 12,
      "delay": 2.353,
      "onscreen_delay": 0,
      "typing_delay": 2.353,
      "typing_duration": 4.714,
      "wpm": 32,
      "message": "ข้อ 2 นะคะ "
    },
    {
      "message_id": 525,
      "agent_id": 13,
      "delay": 2.675,
      "onscreen_delay": 0,
      "typing_delay": 2.675,
      "typing_duration": 8.1,
      "wpm": 24,
      "message": "โจทย์ คือ y = "
    },
    {
      "message_id": 526,
      "agent_id": 33,
      "delay": 4.099,
      "onscreen_delay": 2.802,
      "typing_delay": 1.297,
      "typing_duration": 7.607,
      "wpm": 20,
      "message": "ลบนะลูก -3 "
    },
    {
      "message_id": 527,
      "agent_id": 36,
      "delay": 3.606,
      "onscreen_delay": 1.476,
      "typing_delay": 2.13,
      "typing_duration": 5.442,
      "wpm": 19,
      "message": "-3x -3x "
    },
    {
      "message_id": 528,
      "agent_id": 12,
      "delay": 1.933,
      "onscreen_delay": 0,
      "typing_delay": 1.933,
      "typing_duration": 10.58,
      "wpm": 14,
      "message": "+ 1 ค่า  x "
    },
    {
      "message_id": 529,
      "agent_id": 13,
      "delay": 6.579,
      "onscreen_delay": 5.866,
      "typing_delay": 0.713,
      "typing_duration": 13.136,
      "wpm": 56,
      "message": "เหมือนเดิม x กำหนดมาให้อยู่ 5 ตัวด้วยกัน ก็คือ -2 "
    },
    {
      "message_id": 530,
      "agent_id": 33,
      "delay": 9.134,
      "onscreen_delay": 8.244,
      "typing_delay": 0.89,
      "typing_duration": 12.578,
      "wpm": 30,
      "message": "-1 -2 -1 -0 1 กับ 2 ทีนี้"
    },
    {
      "message_id": 531,
      "agent_id": 36,
      "delay": 8.575,
      "onscreen_delay": 7.22,
      "typing_delay": 1.355,
      "typing_duration": 13.764,
      "wpm": 36,
      "message": "สมการเปลี่ยนแล้วนะ ทีนี้ก็คือ -3x "
    },
    {
      "message_id": 532,
      "agent_id": 12,
      "delay": 9.763,
      "onscreen_delay": 8.374,
      "typing_delay": 1.389,
      "typing_duration": 6.757,
      "wpm": 55,
      "message": "x คือเท่าไร 2 หรือ -2 ลูก "
    },
    {
      "message_id": 533,
      "agent_id": 13,
      "delay": 5.762,
      "onscreen_delay": 4.01,
      "typing_delay": 1.752,
      "typing_duration": 6.938,
      "wpm": 30,
      "message": "x -2 ดูดี ๆ นะ "
    },
    {
      "message_id": 534,
      "agent_id": 33,
      "delay": 2.938,
      "onscreen_delay": 1.986,
      "typing_delay": 0.952,
      "typing_duration": 11.253,
      "wpm": 47,
      "message": "-2 เสร็จ เอาอันนี้ลงมา + 1 นะคะ + 1 "
    },
    {
      "message_id": 535,
      "agent_id": 36,
      "delay": 7.251,
      "onscreen_delay": 6.706,
      "typing_delay": 0.545,
      "typing_duration": 8.608,
      "wpm": 52,
      "message": "กับ 2 คูณกันเป็นเท่าไร 3 กับ 2 "
    },
    {
      "message_id": 536,
      "agent_id": 12,
      "delay": 4.606,
      "onscreen_delay": 3.693,
      "typing_delay": 0.913,
      "typing_duration": 4.937,
      "wpm": 49,
      "message": "คูณกันเป็นเท่าไร "
    },
    {
      "message_id": 537,
      "agent_id": 13,
      "delay": 2.261,
      "onscreen_delay": 0,
      "typing_delay": 2.261,
      "typing_duration": 13.853,
      "wpm": 25,
      "message": "(อาจารย์เชาวนี) ถูกต้อง"
    },
    {
      "message_id": 538,
      "agent_id": 33,
      "delay": 9.852,
      "onscreen_delay": 9.308,
      "typing_delay": 0.544,
      "typing_duration": 11.686,
      "wpm": 31,
      "message": "นะคะ ใช่ 3 x 2 เป็น 6 ลบ "
    },
    {
      "message_id": 539,
      "agent_id": 36,
      "delay": 7.685,
      "onscreen_delay": 7.107,
      "typing_delay": 0.578,
      "typing_duration": 11.93,
      "wpm": 53,
      "message": "ลบคูณกัน สัญลักษณ์ ถ้ามีลบคูณกันอยู่ 2 ตัว"
    },
    {
      "message_id": 540,
      "agent_id": 12,
      "delay": 7.929,
      "onscreen_delay": 7.284,
      "typing_delay": 0.645,
      "typing_duration": 8.252,
      "wpm": 75,
      "message": "นะคะ 2 อันมาคูณกัน ค่ามันจะออกมาเป็นบวกนะ "
    },
    {
      "message_id": 541,
      "agent_id": 13,
      "delay": 4.252,
      "onscreen_delay": 3.241,
      "typing_delay": 1.011,
      "typing_duration": 7.596,
      "wpm": 81,
      "message": "เพราะฉะนั้น อันนี้ก็คือ 6 นะ ไม่ต้องเอาลบ"
    },
    {
      "message_id": 542,
      "agent_id": 33,
      "delay": 3.594,
      "onscreen_delay": 2.319,
      "typing_delay": 1.275,
      "typing_duration": 13.363,
      "wpm": 45,
      "message": "สองตัวนี้ลงมาเลยนะคะ มันจะเปลี่ยนเป็นบวก "
    },
    {
      "message_id": 543,
      "agent_id": 36,
      "delay": 9.362,
      "onscreen_delay": 8.796,
      "typing_delay": 0.566,
      "typing_duration": 6.287,
      "wpm": 48,
      "message": "ได้บวกนะคะ อันนี้... "
    },
    {
      "message_id": 544,
      "agent_id": 12,
      "delay": 5.361,
      "onscreen_delay": 4.32,
      "typing_delay": 1.041,
      "typing_duration": 4.697,
      "wpm": 26,
      "message": "อะไรนะคะ "
    },
    {
      "message_id": 545,
      "agent_id": 13,
      "delay": 1.36,
      "onscreen_delay": 0.033,
      "typing_delay": 1.327,
      "typing_duration": 11.423,
      "wpm": 51,
      "message": "ถ้ารวม ก็สัญลักษณ์มันจะต่างกันกับการคูณ "
    },
    {
      "message_id": 546,
      "agent_id": 33,
      "delay": 7.423,
      "onscreen_delay": 6.711,
      "typing_delay": 0.712,
      "typing_duration": 15,
      "wpm": 46,
      "message": "คุณสมบัติของการบวก กับคุณสมบัติการคูณมันจะต่าง"
    },
    {
      "message_id": 547,
      "agent_id": 36,
      "delay": 10.998,
      "onscreen_delay": 10.428,
      "typing_delay": 0.57,
      "typing_duration": 13.795,
      "wpm": 54,
      "message": "ตัวนี้มันคือการคูณกัน ถ้าลบคูณลบมันจะได้เท่ากับบวก"
    },
    {
      "message_id": 548,
      "agent_id": 12,
      "delay": 9.794,
      "onscreen_delay": 9.06,
      "typing_delay": 0.734,
      "typing_duration": 6.79,
      "wpm": 38,
      "message": "นะคะ ตัวนี้ 3 x 2 "
    },
    {
      "message_id": 549,
      "agent_id": 13,
      "delay": 5.793,
      "onscreen_delay": 4.967,
      "typing_delay": 0.826,
      "typing_duration": 10.227,
      "wpm": 37,
      "message": "นะคะ -3 x -2 ได้เท่ากับ 6 "
    },
    {
      "message_id": 550,
      "agent_id": 33,
      "delay": 6.226,
      "onscreen_delay": 5.462,
      "typing_delay": 0.764,
      "typing_duration": 12.876,
      "wpm": 31,
      "message": "บวก 1 เอาลงมาเลย +1 ดึงลงมา "
    },
    {
      "message_id": 551,
      "agent_id": 36,
      "delay": 8.874,
      "onscreen_delay": 8.09,
      "typing_delay": 0.784,
      "typing_duration": 4.926,
      "wpm": 52,
      "message": "6 6+1 ได้เท่าไรคะ "
    },
    {
      "message_id": 552,
      "agent_id": 12,
      "delay": 4.873,
      "onscreen_delay": 3.256,
      "typing_delay": 1.617,
      "typing_duration": 10.492,
      "wpm": 44,
      "message": "ได้ 1 นะ พี่เพียวได้ 1 พี่เพียว"
    },
    {
      "message_id": 553,
      "agent_id": 13,
      "delay": 6.49,
      "onscreen_delay": 5.732,
      "typing_delay": 0.758,
      "typing_duration": 5.605,
      "wpm": 59,
      "message": "ตองสนองครูดีมาก 7 นะคะ "
    },
    {
      "message_id": 554,
      "agent_id": 33,
      "delay": 2.489,
      "onscreen_delay": 1.539,
      "typing_delay": 0.95,
      "typing_duration": 11.181,
      "wpm": 34,
      "message": "7 โอเคไหม เสร็จ ทีนี้ ถ้า"
    },
    {
      "message_id": 555,
      "agent_id": 36,
      "delay": 7.179,
      "onscreen_delay": 6.691,
      "typing_delay": 0.488,
      "typing_duration": 8.768,
      "wpm": 53,
      "message": "เปลี่ยนลบ -2 นะคะ จาก x เป็น -1 "
    },
    {
      "message_id": 556,
      "agent_id": 12,
      "delay": 4.767,
      "onscreen_delay": 4.333,
      "typing_delay": 0.434,
      "typing_duration": 11.53,
      "wpm": 42,
      "message": "จะได้ค่าเท่าไร เอาใหม่นะ เอาใหม่ "
    },
    {
      "message_id": 557,
      "agent_id": 13,
      "delay": 7.529,
      "onscreen_delay": 4.321,
      "typing_delay": 3.208,
      "typing_duration": 6.577,
      "wpm": 32,
      "message": "เดี๋ยวครูจะแจก"
    },
    {
      "message_id": 558,
      "agent_id": 33,
      "delay": 3.528,
      "onscreen_delay": 2.888,
      "typing_delay": 0.64,
      "typing_duration": 11.039,
      "wpm": 58,
      "message": "กระดาษแบบฝึกให้นะคะ เดี๋ยวให้ลูก ๆ ได้ทำกัน "
    },
    {
      "message_id": 559,
      "agent_id": 36,
      "delay": 7.037,
      "onscreen_delay": 2.662,
      "typing_delay": 4.375,
      "typing_duration": 4.375,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 560,
      "agent_id": 12,
      "delay": 4.781,
      "onscreen_delay": 0,
      "typing_delay": 4.781,
      "typing_duration": 4.781,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 561,
      "agent_id": 13,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 562,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.854,
      "typing_delay": 4.146,
      "typing_duration": 4.146,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 563,
      "agent_id": 36,
      "delay": 13.374,
      "onscreen_delay": 0,
      "typing_delay": 13.374,
      "typing_duration": 13.374,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 564,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 565,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 566,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 567,
      "agent_id": 36,
      "delay": 10.994,
      "onscreen_delay": 5.169,
      "typing_delay": 5.825,
      "typing_duration": 5.825,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 568,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 569,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 570,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 2.043,
      "typing_delay": 8.957,
      "typing_duration": 8.957,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 571,
      "agent_id": 36,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 572,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 573,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 574,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 6.282,
      "typing_delay": 4.718,
      "typing_duration": 4.718,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 575,
      "agent_id": 36,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 576,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 577,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 578,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 579,
      "agent_id": 36,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 580,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 581,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 582,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 583,
      "agent_id": 36,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 584,
      "agent_id": 12,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 585,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 586,
      "agent_id": 33,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 587,
      "agent_id": 36,
      "delay": 15.005,
      "onscreen_delay": 0,
      "typing_delay": 15.005,
      "typing_duration": 15.005,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 588,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 589,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 590,
      "agent_id": 33,
      "delay": 11,
      "onscreen_delay": 2.903,
      "typing_delay": 8.097,
      "typing_duration": 8.097,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 591,
      "agent_id": 36,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 592,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 593,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 594,
      "agent_id": 33,
      "delay": 10.997,
      "onscreen_delay": 4.121,
      "typing_delay": 6.876,
      "typing_duration": 6.876,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 595,
      "agent_id": 36,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 596,
      "agent_id": 12,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 597,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 598,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 6.896,
      "typing_delay": 4.105,
      "typing_duration": 4.105,
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      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1315,
      "agent_id": 36,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1316,
      "agent_id": 12,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1317,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1318,
      "agent_id": 33,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1319,
      "agent_id": 36,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1320,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1321,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1322,
      "agent_id": 33,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1323,
      "agent_id": 36,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1324,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1325,
      "agent_id": 13,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1326,
      "agent_id": 33,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1327,
      "agent_id": 36,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1328,
      "agent_id": 12,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1329,
      "agent_id": 13,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1330,
      "agent_id": 33,
      "delay": 13.624,
      "onscreen_delay": 0,
      "typing_delay": 13.624,
      "typing_duration": 13.624,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1331,
      "agent_id": 36,
      "delay": 15.001,
      "onscreen_delay": 0,
      "typing_delay": 15.001,
      "typing_duration": 15.001,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1332,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1333,
      "agent_id": 13,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1334,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 6.144,
      "typing_delay": 4.857,
      "typing_duration": 4.857,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1335,
      "agent_id": 36,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1336,
      "agent_id": 12,
      "delay": 15.002,
      "onscreen_delay": 0,
      "typing_delay": 15.002,
      "typing_duration": 15.002,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1337,
      "agent_id": 13,
      "delay": 15.003,
      "onscreen_delay": 0,
      "typing_delay": 15.003,
      "typing_duration": 15.003,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1338,
      "agent_id": 33,
      "delay": 15.004,
      "onscreen_delay": 0,
      "typing_delay": 15.004,
      "typing_duration": 15.004,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1339,
      "agent_id": 36,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1340,
      "agent_id": 12,
      "delay": 10.997,
      "onscreen_delay": 2.251,
      "typing_delay": 8.746,
      "typing_duration": 8.746,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1341,
      "agent_id": 13,
      "delay": 7.149,
      "onscreen_delay": 0,
      "typing_delay": 7.149,
      "typing_duration": 9.894,
      "wpm": 8,
      "message": "ลูกคะ "
    },
    {
      "message_id": 1342,
      "agent_id": 33,
      "delay": 5.892,
      "onscreen_delay": 3.846,
      "typing_delay": 2.046,
      "typing_duration": 12.766,
      "wpm": 41,
      "message": "สะกิดเพื่อนด้วย แท็กสะกิดเพื่อนด้วย "
    },
    {
      "message_id": 1343,
      "agent_id": 36,
      "delay": 8.765,
      "onscreen_delay": 6.198,
      "typing_delay": 2.567,
      "typing_duration": 10.061,
      "wpm": 33,
      "message": "ตอนนี้ทีนักเรียนทำนะคะ "
    },
    {
      "message_id": 1344,
      "agent_id": 12,
      "delay": 6.059,
      "onscreen_delay": 5.209,
      "typing_delay": 0.85,
      "typing_duration": 11.443,
      "wpm": 64,
      "message": "ครูพาหาคู่อันดับเรียบร้อยแล้ว เหลือก็แค่พล็อตลงไป"
    },
    {
      "message_id": 1345,
      "agent_id": 13,
      "delay": 7.443,
      "onscreen_delay": 6.691,
      "typing_delay": 0.752,
      "typing_duration": 7.153,
      "wpm": 52,
      "message": "ในกราฟนะคะ มีคนไหน เข้าใจ"
    },
    {
      "message_id": 1346,
      "agent_id": 33,
      "delay": 3.441,
      "onscreen_delay": 2.369,
      "typing_delay": 1.072,
      "typing_duration": 12.753,
      "wpm": 49,
      "message": "ในเรื่องของการพรอดกราฟ ตำแหน่งของคู่อันดับ "
    },
    {
      "message_id": 1347,
      "agent_id": 36,
      "delay": 8.752,
      "onscreen_delay": 6.501,
      "typing_delay": 2.251,
      "typing_duration": 10,
      "wpm": 59,
      "message": "พล็อตลงไปในกราฟเข้าใจแล้ว ใครเข้าใจแล้ว"
    },
    {
      "message_id": 1348,
      "agent_id": 12,
      "delay": 5.999,
      "onscreen_delay": 5.465,
      "typing_delay": 0.534,
      "typing_duration": 7.263,
      "wpm": 62,
      "message": "ยกมือขึ้น ขอดูคนที่เข้าใจหน่อย "
    },
    {
      "message_id": 1349,
      "agent_id": 13,
      "delay": 3.262,
      "onscreen_delay": 2.426,
      "typing_delay": 0.836,
      "typing_duration": 10.26,
      "wpm": 60,
      "message": "2 คน โอเค 2 คนนี้เข้าใจนะคะ ทีนี้ 2 คนนี้ "
    },
    {
      "message_id": 1350,
      "agent_id": 33,
      "delay": 6.259,
      "onscreen_delay": 4.804,
      "typing_delay": 1.455,
      "typing_duration": 9.909,
      "wpm": 41,
      "message": "2 คนนี้นะลูก แท็กกับเพชรนี่ "
    },
    {
      "message_id": 1351,
      "agent_id": 36,
      "delay": 5.907,
      "onscreen_delay": 5.28,
      "typing_delay": 0.627,
      "typing_duration": 10.603,
      "wpm": 79,
      "message": "ให้ไปช่วยเพื่อนด้วยนะคะ เพราะอันนี้ครูจะให้ทำเป็นการบ้าน "
    },
    {
      "message_id": 1352,
      "agent_id": 12,
      "delay": 6.602,
      "onscreen_delay": 4.072,
      "typing_delay": 2.53,
      "typing_duration": 11.634,
      "wpm": 31,
      "message": "เพียว เดี๋ยวเพียวตอนเย็น"
    },
    {
      "message_id": 1353,
      "agent_id": 13,
      "delay": 7.633,
      "onscreen_delay": 6.874,
      "typing_delay": 0.759,
      "typing_duration": 15.001,
      "wpm": 50,
      "message": "หลังเลิกเรียน เดี๋ยวเพียวค่อยมาคุยกับครูอีกทีนะลูก "
    },
    {
      "message_id": 1354,
      "agent_id": 33,
      "delay": 11.001,
      "onscreen_delay": 10.481,
      "typing_delay": 0.52,
      "typing_duration": 15,
      "wpm": 55,
      "message": "พี่เพียวนะ สำหรับคนอื่นนี่ คุยกับแท็กกับเพชร เพราะเข้าใ"
    },
    {
      "message_id": 1355,
      "agent_id": 36,
      "delay": 10.998,
      "onscreen_delay": 10.287,
      "typing_delay": 0.711,
      "typing_duration": 9.336,
      "wpm": 58,
      "message": "ของการพล็อตกราฟแล้วนะคะ อันดับแรกเลย "
    },
    {
      "message_id": 1356,
      "agent_id": 12,
      "delay": 6.997,
      "onscreen_delay": 6.552,
      "typing_delay": 0.445,
      "typing_duration": 9.574,
      "wpm": 78,
      "message": "เราจะต้องรู้ว่าแกน x แกน y คืออะไร คู่อันดับตัวแรก"
    },
    {
      "message_id": 1357,
      "agent_id": 13,
      "delay": 5.573,
      "onscreen_delay": 4.81,
      "typing_delay": 0.763,
      "typing_duration": 11.236,
      "wpm": 36,
      "message": "คือ x ใช่ไหมคะ อันที่ 2 คือ "
    },
    {
      "message_id": 1358,
      "agent_id": 33,
      "delay": 7.233,
      "onscreen_delay": 6.119,
      "typing_delay": 1.114,
      "typing_duration": 15.001,
      "wpm": 45,
      "message": "y เพราะฉะนั้นพล็อตกราฟเสร็จแล้เว เขียนเป็นส้น"
    },
    {
      "message_id": 1359,
      "agent_id": 36,
      "delay": 11,
      "onscreen_delay": 10.247,
      "typing_delay": 0.753,
      "typing_duration": 10.961,
      "wpm": 60,
      "message": "ขีดหาความสัมพันธ์ระหว่างจุดที่มันสัมพันธ์กัน"
    },
    {
      "message_id": 1360,
      "agent_id": 12,
      "delay": 6.998,
      "onscreen_delay": 6.264,
      "typing_delay": 0.734,
      "typing_duration": 7.767,
      "wpm": 46,
      "message": "ให้ได้นะ โอเคนะ ใบงานนี้"
    },
    {
      "message_id": 1361,
      "agent_id": 13,
      "delay": 3.766,
      "onscreen_delay": 2.801,
      "typing_delay": 0.965,
      "typing_duration": 9.797,
      "wpm": 69,
      "message": "นะคะ เดี๋ยวทำให้เสร็จ พรุ่งนี้ค่อยเอามาส่งครู"
    },
    {
      "message_id": 1362,
      "agent_id": 33,
      "delay": 5.796,
      "onscreen_delay": 5.613,
      "typing_delay": 0.183,
      "typing_duration": 14.189,
      "wpm": 41,
      "message": "นะคะ ถ้าทำไม่เสร็จพรุ่งนี้ ครูอนุญาตให้"
    },
    {
      "message_id": 1363,
      "agent_id": 36,
      "delay": 10.188,
      "onscreen_delay": 9.014,
      "typing_delay": 1.174,
      "typing_duration": 8.629,
      "wpm": 61,
      "message": "วันศุกร์อันนี้จะต้องเสร็จนะ โอเคไหม "
    },
    {
      "message_id": 1364,
      "agent_id": 12,
      "delay": 6.187,
      "onscreen_delay": 5.721,
      "typing_delay": 0.466,
      "typing_duration": 9.643,
      "wpm": 61,
      "message": "วันศุกร์นะคะ วันศุกร์นี้จะต้องส่งคุณครู"
    },
    {
      "message_id": 1365,
      "agent_id": 13,
      "delay": 5.642,
      "onscreen_delay": 4.376,
      "typing_delay": 1.266,
      "typing_duration": 7.466,
      "wpm": 60,
      "message": "วันนี้ เรียนยากไหม ถามก่อน ยาก "
    },
    {
      "message_id": 1366,
      "agent_id": 33,
      "delay": 3.465,
      "onscreen_delay": 2.576,
      "typing_delay": 0.889,
      "typing_duration": 9.656,
      "wpm": 42,
      "message": "เพียวบอกยากมากเลย ใช่ไหมลูก "
    },
    {
      "message_id": 1367,
      "agent_id": 36,
      "delay": 5.655,
      "onscreen_delay": 3.582,
      "typing_delay": 2.073,
      "typing_duration": 13.705,
      "wpm": 44,
      "message": "จริง ๆ มันเป็นเรื่องง่ายนะลูก แต่ครูปิ๊ก"
    },
    {
      "message_id": 1368,
      "agent_id": 12,
      "delay": 9.705,
      "onscreen_delay": 8.281,
      "typing_delay": 1.424,
      "typing_duration": 11.625,
      "wpm": 46,
      "message": "กระชั้นเวลานิดหนึ่งนะคะ ครูอะสอนเร็ว "
    },
    {
      "message_id": 1369,
      "agent_id": 13,
      "delay": 7.623,
      "onscreen_delay": 6.76,
      "typing_delay": 0.863,
      "typing_duration": 11.999,
      "wpm": 61,
      "message": "จริง ๆ ครูจะต้องให้นักเรียนแก้สมการให้คล่องก่อนนะ "
    },
    {
      "message_id": 1370,
      "agent_id": 33,
      "delay": 7.998,
      "onscreen_delay": 6.505,
      "typing_delay": 1.493,
      "typing_duration": 12.687,
      "wpm": 33,
      "message": "นั่นล่ะ ครูก็เลยพาทำแก้สมการ "
    },
    {
      "message_id": 1371,
      "agent_id": 36,
      "delay": 8.684,
      "onscreen_delay": 7.369,
      "typing_delay": 1.315,
      "typing_duration": 12.284,
      "wpm": 40,
      "message": "ใช่ เนื่องจากเวลาของเราน่ะ มีน้อย "
    },
    {
      "message_id": 1372,
      "agent_id": 12,
      "delay": 8.283,
      "onscreen_delay": 7.729,
      "typing_delay": 0.554,
      "typing_duration": 9.45,
      "wpm": 76,
      "message": "มันมีน้อยเดี๋ยวสัปดาห์หน้าก็เรียนอีกสัปดาห์เดียว"
    },
    {
      "message_id": 1373,
      "agent_id": 13,
      "delay": 5.449,
      "onscreen_delay": 4.625,
      "typing_delay": 0.824,
      "typing_duration": 8.457,
      "wpm": 51,
      "message": "จะสอบ แล้วก็กลับบ้านกันแล้วนะ "
    },
    {
      "message_id": 1374,
      "agent_id": 33,
      "delay": 4.457,
      "onscreen_delay": 4.169,
      "typing_delay": 0.288,
      "typing_duration": 11.464,
      "wpm": 58,
      "message": "อยากกลับไหม หรือไม่อยากกลับบ้าน อยากกลับบ้าน "
    },
    {
      "message_id": 1375,
      "agent_id": 36,
      "delay": 7.462,
      "onscreen_delay": 5.054,
      "typing_delay": 2.408,
      "typing_duration": 9.296,
      "wpm": 39,
      "message": "โอเค สำหรับวันนี้หมดเวลา"
    },
    {
      "message_id": 1376,
      "agent_id": 12,
      "delay": 5.296,
      "onscreen_delay": 4.705,
      "typing_delay": 0.591,
      "typing_duration": 9.583,
      "wpm": 80,
      "message": "แล้วนะคะ เดี๋ยวนักเรียนจะไปเรียนอะไรต่อ ชุมนุมไหมคะ "
    },
    {
      "message_id": 1377,
      "agent_id": 13,
      "delay": 5.581,
      "onscreen_delay": 4.456,
      "typing_delay": 1.125,
      "typing_duration": 7.247,
      "wpm": 68,
      "message": "ชุมนุมนะคะ โอเค ขอบคุณพี่ล่ามด้วย "
    },
    {
      "message_id": 1378,
      "agent_id": 33,
      "delay": 8.891,
      "onscreen_delay": 0,
      "typing_delay": 8.891,
      "typing_duration": 8.891,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1379,
      "agent_id": 36,
      "delay": 4.89,
      "onscreen_delay": 0.478,
      "typing_delay": 4.412,
      "typing_duration": 4.412,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1380,
      "agent_id": 12,
      "delay": 3.179,
      "onscreen_delay": 0,
      "typing_delay": 3.179,
      "typing_duration": 5.747,
      "wpm": 34,
      "message": "ขอบคุณมากนะคะ "
    },
    {
      "message_id": 1381,
      "agent_id": 13,
      "delay": 2.671,
      "onscreen_delay": 0,
      "typing_delay": 2.671,
      "typing_duration": 5.022,
      "wpm": 57,
      "message": "[สิ้นสุดการถอดความ] "
    },
    {
      "message_id": 1382,
      "agent_id": 33,
      "delay": 4.356,
      "onscreen_delay": 0,
      "typing_delay": 4.356,
      "typing_duration": 4.356,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1383,
      "agent_id": 36,
      "delay": 4.57,
      "onscreen_delay": 0,
      "typing_delay": 4.57,
      "typing_duration": 4.57,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1384,
      "agent_id": 12,
      "delay": 10.95,
      "onscreen_delay": 0,
      "typing_delay": 10.95,
      "typing_duration": 10.95,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1385,
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