{
  "average_delay": 2.254,
  "average_delay_with_out_empty_turn": 0.022,
  "average_onscreen_delay": 0.006,
  "average_typing_delay": 2.248,
  "average_typing_duration": 3.513,
  "average_wpm": 44,
  "average_wpm_with_out_empty_turn": 116,
  "agents": [
    {
      "agent_id": 2,
      "average_delay": 2.235,
      "average_delay_with_out_empty_turn": 0.008,
      "average_onscreen_delay": 0,
      "average_typing_delay": 2.235,
      "average_typing_duration": 3.502,
      "average_wpm": 46,
      "average_wpm_with_out_empty_turn": 120
    },
    {
      "agent_id": 3,
      "average_delay": 2.235,
      "average_delay_with_out_empty_turn": 0.033,
      "average_onscreen_delay": 0,
      "average_typing_delay": 2.235,
      "average_typing_duration": 3.527,
      "average_wpm": 40,
      "average_wpm_with_out_empty_turn": 105
    },
    {
      "agent_id": 4,
      "average_delay": 2.336,
      "average_delay_with_out_empty_turn": 0.036,
      "average_onscreen_delay": 0,
      "average_typing_delay": 2.336,
      "average_typing_duration": 3.527,
      "average_wpm": 36,
      "average_wpm_with_out_empty_turn": 99
    },
    {
      "agent_id": 5,
      "average_delay": 2.211,
      "average_delay_with_out_empty_turn": 0.011,
      "average_onscreen_delay": 0.024,
      "average_typing_delay": 2.187,
      "average_typing_duration": 3.495,
      "average_wpm": 54,
      "average_wpm_with_out_empty_turn": 138
    },
    {
      "agent_id": 14,
      "average_delay": 0,
      "average_delay_with_out_empty_turn": 0,
      "average_onscreen_delay": 0,
      "average_typing_delay": 0,
      "average_typing_duration": 0,
      "average_wpm": 0,
      "average_wpm_with_out_empty_turn": 0
    }
  ],
  "messages": [
    {
      "message_id": 0,
      "agent_id": 2,
      "delay": 3.441,
      "onscreen_delay": 0,
      "typing_delay": 3.441,
      "typing_duration": 3.441,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1,
      "agent_id": 3,
      "delay": 3.431,
      "onscreen_delay": 0,
      "typing_delay": 3.431,
      "typing_duration": 3.431,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 2,
      "agent_id": 4,
      "delay": 3.427,
      "onscreen_delay": 0,
      "typing_delay": 3.427,
      "typing_duration": 3.427,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 3,
      "agent_id": 5,
      "delay": 3.424,
      "onscreen_delay": 0,
      "typing_delay": 3.424,
      "typing_duration": 3.424,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 4,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.422,
      "wpm": 127,
      "message": "(อาจารย์สุธาสินี) คราวนี้นะคะ"
    },
    {
      "message_id": 5,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.421,
      "wpm": 193,
      "message": "ก่อนที่เราจะขึ้นเรื่องใหม่ เดี๋ยวครูจะทวนของ"
    },
    {
      "message_id": 6,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.418,
      "wpm": 110,
      "message": "นะคะ ที่เราเรียนผ่านกันมา"
    },
    {
      "message_id": 7,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.416,
      "wpm": 141,
      "message": "จะมี 2 เรื่องนะคะ stack กับ qeue"
    },
    {
      "message_id": 8,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.415,
      "wpm": 53,
      "message": "Stack กับคิว"
    },
    {
      "message_id": 9,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.411,
      "wpm": 123,
      "message": "นะคะ จะมีลักษณะจัดเก็บข้อมูล"
    },
    {
      "message_id": 10,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.41,
      "wpm": 48,
      "message": "คล้าย ๆ กัน"
    },
    {
      "message_id": 11,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.407,
      "wpm": 198,
      "message": "ถ้าเราเข้าใจ stack เราก็น่าจะเข้าใจ qeue นะคะ"
    },
    {
      "message_id": 12,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.407,
      "wpm": 114,
      "message": "มันจะมองในมุมตรงกันข้ามกัน"
    },
    {
      "message_id": 13,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.406,
      "wpm": 84,
      "message": "คราวนี้ ถ้าเราดูว่า"
    },
    {
      "message_id": 14,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.404,
      "wpm": 75,
      "message": "Stack เป็นอย่างไร"
    },
    {
      "message_id": 15,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.404,
      "wpm": 238,
      "message": "ตามหัวข้อที่ครูลิสต์มาให้ qeue ตามที่เราเปรียบเทียบกัน"
    },
    {
      "message_id": 16,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.403,
      "wpm": 216,
      "message": "มีความแตกต่างกันอยู่นะ แต่เราต้องจับประเด็นให้ได้"
    },
    {
      "message_id": 17,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.401,
      "wpm": 31,
      "message": "ว่าอะไร"
    },
    {
      "message_id": 18,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.399,
      "wpm": 88,
      "message": "ที่มันหัวข้อเดียวกัน"
    },
    {
      "message_id": 19,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.406,
      "wpm": 242,
      "message": "แล้วความต่างแต่ละตัวมันเป็นอย่างไร เราเริ่มต้นที่ stack"
    },
    {
      "message_id": 20,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.395,
      "wpm": 159,
      "message": "นะคะ ถ้าเราพูดถึง Stack ลักษณะของการ"
    },
    {
      "message_id": 21,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.394,
      "wpm": 119,
      "message": "จัดเก็บข้อมูลก็คือ เข้าก่อน"
    },
    {
      "message_id": 22,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.394,
      "wpm": 119,
      "message": "ออกทีหลัง เข้าก่อนออกทีหลัง"
    },
    {
      "message_id": 23,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.393,
      "wpm": 128,
      "message": "นะคะ ถ้าเราอยากจะนึกเป็นภาพนะ"
    },
    {
      "message_id": 24,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.389,
      "wpm": 159,
      "message": "ว่าเอ๊ะลักษณะของการเข้าก่อนออกทีหลัง"
    },
    {
      "message_id": 25,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.387,
      "wpm": 115,
      "message": "เป็นอย่างไร ให้ทุกคนนึกถึง"
    },
    {
      "message_id": 26,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.385,
      "wpm": 133,
      "message": "หลอดใส่ CD ข้อมูลที่อยู่ใต้น่ะ"
    },
    {
      "message_id": 27,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.384,
      "wpm": 217,
      "message": "อยู่อันแรกสุดเลย จะอยู่ด้านล่างใช่ไหมคะ ข้อมูลที่"
    },
    {
      "message_id": 28,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.383,
      "wpm": 244,
      "message": "เอาเข้าไปเก็บในหลอดซีดีอันสุดท้ายน่ะ มันจะอยู่ด้านบนสุด"
    },
    {
      "message_id": 29,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.381,
      "wpm": 160,
      "message": "เวลาเราดึงออกมาใช้ เราก็ดึงข้างบนน่ะ"
    },
    {
      "message_id": 30,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.377,
      "wpm": 80,
      "message": "ดึงออกมาใช้ทีละตัว"
    },
    {
      "message_id": 31,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.377,
      "wpm": 231,
      "message": "เพราะฉะนั้น ตัวที่เก็บล่าสุดจะเอาออกมาใช้งานก่อนนะคะ"
    },
    {
      "message_id": 32,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.377,
      "wpm": 182,
      "message": "ก็จะเข้า Concept ของ Stack คือเข้าก่อนออก"
    },
    {
      "message_id": 33,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.374,
      "wpm": 107,
      "message": "ทีหลัง หรือชามก๋วยเตี๋ยว"
    },
    {
      "message_id": 34,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.372,
      "wpm": 178,
      "message": "เหมือนกันเขาล้างเสร็จเขาก็ตั้งชั้นขึ้นมา"
    },
    {
      "message_id": 35,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.372,
      "wpm": 222,
      "message": "ใช่ไหม เวลาเรามาซื้อเขาก็จะหยิบออกมา หยิบออกมานะคะ"
    },
    {
      "message_id": 36,
      "agent_id": 2,
      "delay": 3.371,
      "onscreen_delay": 0,
      "typing_delay": 3.371,
      "typing_duration": 3.371,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 37,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.369,
      "wpm": 120,
      "message": "แล้วคำสั่งที่เราใช้ใน Stack"
    },
    {
      "message_id": 38,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.37,
      "wpm": 156,
      "message": "มีอะไรบ้าง เรามีคำสั่งอยู่แค่ 2 ตัว"
    },
    {
      "message_id": 39,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.364,
      "wpm": 138,
      "message": "ที่ใช่ใน stack คือ push กับ pop"
    },
    {
      "message_id": 40,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.363,
      "wpm": 116,
      "message": "Push คือใส่เข้าไป เรา Push"
    },
    {
      "message_id": 41,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.362,
      "wpm": 161,
      "message": "ใส่เข้าไปนะคะ ส่วน Pop ก็คือดึงออกมา"
    },
    {
      "message_id": 42,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.361,
      "wpm": 174,
      "message": "นะ เรา pop ก็คือดึงข้อมูลออกมาจาก Stack"
    },
    {
      "message_id": 43,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.359,
      "wpm": 121,
      "message": "นะคะ เวลาเราจัดเก็บข้อมูลใน"
    },
    {
      "message_id": 44,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.356,
      "wpm": 179,
      "message": "Stack ให้นึกถึง List นะคะ ให้นึกถึง List"
    },
    {
      "message_id": 45,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.355,
      "wpm": 143,
      "message": "ให้นึกถงเป็นตาราง ให้นึกถึงลักษณ"
    },
    {
      "message_id": 46,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.352,
      "wpm": 152,
      "message": "ที่เป็นลักษณะที่เป็นตารางนะคะ Push"
    },
    {
      "message_id": 47,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.348,
      "wpm": 255,
      "message": "ก็คือค่อย ๆ ใส่ช้อมูลเข้าไปทีละช่อง ทีละช่อง แล้วเวลา pop"
    },
    {
      "message_id": 48,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.346,
      "wpm": 161,
      "message": "Pop ก็คือข้อมูลไหนที่เราใส่ล่าสุดน่ะ"
    },
    {
      "message_id": 49,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.345,
      "wpm": 188,
      "message": "เมื่อเราสั่ง Pop มันจะถูกเอาออกมาทำงานก่อน"
    },
    {
      "message_id": 50,
      "agent_id": 4,
      "delay": 3.341,
      "onscreen_delay": 0,
      "typing_delay": 3.341,
      "typing_duration": 3.341,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 51,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.34,
      "wpm": 85,
      "message": "แล้วตัวกำกับหรือตัว"
    },
    {
      "message_id": 52,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.339,
      "wpm": 184,
      "message": "ชี้ว่าข้อมูลล่าสุดที่อยู่ใน Stack มันอยู่"
    },
    {
      "message_id": 53,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.337,
      "wpm": 121,
      "message": "ตรงไหน ใช่ไหมคะ Stack มันมี"
    },
    {
      "message_id": 54,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.336,
      "wpm": 157,
      "message": "ทางเข้าทางออกเพียงแค่ 1 ทางเท่านั้น"
    },
    {
      "message_id": 55,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.333,
      "wpm": 185,
      "message": "เพราะฉะนั้น มันจะมีม Top นะคะ ตัว Top นี่"
    },
    {
      "message_id": 56,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.333,
      "wpm": 113,
      "message": "เป็นตัวบอกว่าข้อมูลล่าสุด"
    },
    {
      "message_id": 57,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.33,
      "wpm": 135,
      "message": "ที่อยู่ใน Stack มันอยู่ใน Inde"
    },
    {
      "message_id": 58,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.329,
      "wpm": 113,
      "message": "ที่เท่าไร เพราะฉะนั้น Top"
    },
    {
      "message_id": 59,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.328,
      "wpm": 239,
      "message": "จะเป็นตัวบอกตำแหน่งว่าข้อมูลล่าสุดที่อยู่ในตำแหน่งนี่"
    },
    {
      "message_id": 60,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.321,
      "wpm": 158,
      "message": "มันอยู่ตำแหน่งที่ Index ที่เท่าไหร่"
    },
    {
      "message_id": 61,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.315,
      "wpm": 145,
      "message": "ถ้าดราวาดเป็นตาราง 1 แถว หลายคอล"
    },
    {
      "message_id": 62,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.315,
      "wpm": 122,
      "message": "ใช่ไหมคะ Index ก็คือช่องแรก"
    },
    {
      "message_id": 63,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.313,
      "wpm": 181,
      "message": "เราจะหมายเลขช่อ คือ 0 12 3 ไล่ไปเรื่อย ๆ"
    },
    {
      "message_id": 64,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.313,
      "wpm": 244,
      "message": "เพราะฉะนั้น หมายเลข Index นั่นล่ะ คือตัว Top ที่บอกว่า"
    },
    {
      "message_id": 65,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.313,
      "wpm": 122,
      "message": "ตัวล่าสุดมันอยู่ช่องไหนนะคะ"
    },
    {
      "message_id": 66,
      "agent_id": 4,
      "delay": 3.311,
      "onscreen_delay": 0,
      "typing_delay": 3.311,
      "typing_duration": 3.311,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 67,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.309,
      "wpm": 186,
      "message": "ถ้า stack ว่าง หมายถึงอะไร เราไม่มีข้อมูล"
    },
    {
      "message_id": 68,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.31,
      "wpm": 163,
      "message": "อยู่ใน Stack เลย เพราะฉะนั้น ค่า Top"
    },
    {
      "message_id": 69,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.306,
      "wpm": 159,
      "message": "จะเป็นเท่ากับ -1 คือไม่ได้บอกเลยว่า"
    },
    {
      "message_id": 70,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.307,
      "wpm": 200,
      "message": "อยู่ช่องที่เท่าไรเลย แต่จะเริ่มต้นที่ 0 นะคะ"
    },
    {
      "message_id": 71,
      "agent_id": 5,
      "delay": 3.304,
      "onscreen_delay": 0,
      "typing_delay": 3.304,
      "typing_duration": 3.304,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 72,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.303,
      "wpm": 32,
      "message": "-1 นะคะ"
    },
    {
      "message_id": 73,
      "agent_id": 3,
      "delay": 3.3,
      "onscreen_delay": 0,
      "typing_delay": 3.3,
      "typing_duration": 3.3,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 74,
      "agent_id": 4,
      "delay": 3.297,
      "onscreen_delay": 0,
      "typing_delay": 3.297,
      "typing_duration": 3.297,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 75,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.295,
      "wpm": 209,
      "message": "แล้วมาดูอีก 1 ตัว คือ qeue แล้วอันนี้จะใกล้ตัว"
    },
    {
      "message_id": 76,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.294,
      "wpm": 155,
      "message": "เรามากขึ้น เหมือนกับที่เราไปต่อคิว"
    },
    {
      "message_id": 77,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.303,
      "wpm": 145,
      "message": "ซื้อข้าว ไปต่อคิวทำกิจกรรมต่าง ๆ"
    },
    {
      "message_id": 78,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.291,
      "wpm": 46,
      "message": "ต่าง ๆ que"
    },
    {
      "message_id": 79,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.29,
      "wpm": 246,
      "message": "เข้าก่อน ก็ต้องออกก่อน เพราะฉะนั้น qeue จะมีทางเข้าออก"
    },
    {
      "message_id": 80,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.288,
      "wpm": 82,
      "message": "อยู่ 2 ทางนะคะ ออก"
    },
    {
      "message_id": 81,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.287,
      "wpm": 96,
      "message": "ข้างหน้า เข้าข้างหลัง"
    },
    {
      "message_id": 82,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.284,
      "wpm": 196,
      "message": "นะคะ คิว มีทางเข้าทางออก 2 ทาง เข้าข้างหลัง"
    },
    {
      "message_id": 83,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.282,
      "wpm": 201,
      "message": "ออกข้างหน้าใช่ไหม คนมาก่อน ก็ต้องออกข้างหน้า"
    },
    {
      "message_id": 84,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.28,
      "wpm": 233,
      "message": "เวลาเข้า ก็คือเข้าข้างหลังนะคะ เหมือนเราไปต่อคิวน่ะ"
    },
    {
      "message_id": 85,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.279,
      "wpm": 128,
      "message": "มันมีทางเข้าทางออกกันคนละทาง"
    },
    {
      "message_id": 86,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.278,
      "wpm": 73,
      "message": "คำส่งที่ใช้ในคิว"
    },
    {
      "message_id": 87,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.276,
      "wpm": 270,
      "message": "มีอยู่ 2 ตัวเหมือนกัน เข้า กับเอาเข้ากับเอาออกเหมือนกันนะคะ"
    },
    {
      "message_id": 88,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.277,
      "wpm": 96,
      "message": "เราจะใช้คำสั่ง Enqeue"
    },
    {
      "message_id": 89,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.271,
      "wpm": 73,
      "message": "Enqeue Enter คิว"
    },
    {
      "message_id": 90,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.27,
      "wpm": 69,
      "message": "นะคะ ส่วน Deque"
    },
    {
      "message_id": 91,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.268,
      "wpm": 165,
      "message": "ก็คือเอาออก deqeue ก็คือเอาข้อมูลออก"
    },
    {
      "message_id": 92,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.266,
      "wpm": 119,
      "message": "มันก็จะตรงกับ Push กับ Pop"
    },
    {
      "message_id": 93,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.265,
      "wpm": 74,
      "message": "คิวก็คือ Enqueue"
    },
    {
      "message_id": 94,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.261,
      "wpm": 55,
      "message": "แล้วตัวกำกับ"
    },
    {
      "message_id": 95,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.26,
      "wpm": 124,
      "message": "ข้อมูลที่อยู่ใน qeue เราใช้"
    },
    {
      "message_id": 96,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.26,
      "wpm": 124,
      "message": "ค่าอะไรเป็นตัวกำกับคิวเราก็"
    },
    {
      "message_id": 97,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.258,
      "wpm": 147,
      "message": "มองเป็นลิสต์เหมือนกัน เป็นช่อง ๆ"
    },
    {
      "message_id": 98,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.257,
      "wpm": 203,
      "message": "หมายเลขช่อง เราเริ่มต้นหมายเลขช่องแรกก็คือ 0"
    },
    {
      "message_id": 99,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.257,
      "wpm": 157,
      "message": "ตัวกำกับจะมี 2 ตัวนะคะ ก็คือ fromt"
    },
    {
      "message_id": 100,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.253,
      "wpm": 120,
      "message": "กับ rear front คือข้างหน้า"
    },
    {
      "message_id": 101,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.25,
      "wpm": 120,
      "message": "rear คือข้างหลัง คือ F กับ"
    },
    {
      "message_id": 102,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.248,
      "wpm": 152,
      "message": "Front จะเป็นตัวบอกข้อมูลว่าตัวไหน"
    },
    {
      "message_id": 103,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.247,
      "wpm": 189,
      "message": "ที่จะถูกเอาออก เพราะมันเอาออกข้างหน้านะคะ"
    },
    {
      "message_id": 104,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.246,
      "wpm": 171,
      "message": "จะชี้อยู่ด้านหน้า เป็นตัวบอกว่า front"
    },
    {
      "message_id": 105,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.244,
      "wpm": 176,
      "message": "กำกับอยู่ที่ช่องไหน ถ้าข้อมูงนั้นจะถูก"
    },
    {
      "message_id": 106,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.242,
      "wpm": 28,
      "message": "เอาออก"
    },
    {
      "message_id": 107,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.24,
      "wpm": 176,
      "message": "ส่วน rear จะเป็นตัวกำกับอยู่ที่ทางเข้า"
    },
    {
      "message_id": 108,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.239,
      "wpm": 144,
      "message": "นะคะ rear จะบอกตำแหน่งล่าสุดของ"
    },
    {
      "message_id": 109,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.238,
      "wpm": 148,
      "message": "ข้อมูลว่า ข้อมูลตัวที่เข้าล่าสุด"
    },
    {
      "message_id": 110,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.237,
      "wpm": 120,
      "message": "ใน queue อยู่ที่ตำแหน่งไหน"
    },
    {
      "message_id": 111,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.236,
      "wpm": 204,
      "message": "ก็ระบุค่า index ก็คือหมายเลขช่องที่ค่าข้อมูล"
    },
    {
      "message_id": 112,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.236,
      "wpm": 37,
      "message": "นั้นอยู่"
    },
    {
      "message_id": 113,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.234,
      "wpm": 121,
      "message": "คิวว่าง คิวว่าง แสดงว่ามัน"
    },
    {
      "message_id": 114,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.231,
      "wpm": 232,
      "message": "ว่างนะ queue ว่าง ก็คือไม่มีข้อมูลอยู่ใน queue เลย"
    },
    {
      "message_id": 115,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.229,
      "wpm": 228,
      "message": "front กับ rear จะมีค่าเป็น -1 นะคะ front กับ พำหพ"
    },
    {
      "message_id": 116,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.226,
      "wpm": 33,
      "message": "เป็น -1"
    },
    {
      "message_id": 117,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 112,
      "message": "โอเค อันนี้ครูทบทวนให้นะ"
    },
    {
      "message_id": 118,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.222,
      "wpm": 186,
      "message": "สรุปมาให้ว่า Stack กับ queue เป็นอย่างไร"
    },
    {
      "message_id": 119,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.221,
      "wpm": 210,
      "message": "คราวนี้ก่อนที่จะขึ้นเรื่องใหม่ ครูมีแบบฝึกหัด"
    },
    {
      "message_id": 120,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.223,
      "wpm": 144,
      "message": "ลองทำดูว่าเข้าใจหรือเปล่า ครูจะ"
    },
    {
      "message_id": 121,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.22,
      "wpm": 112,
      "message": "ค้างหน้านี้เอาไว้ให้นะคะ"
    },
    {
      "message_id": 122,
      "agent_id": 4,
      "delay": 3.219,
      "onscreen_delay": 0,
      "typing_delay": 3.219,
      "typing_duration": 3.219,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 123,
      "agent_id": 5,
      "delay": 3.217,
      "onscreen_delay": 0,
      "typing_delay": 3.217,
      "typing_duration": 3.217,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 124,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.219,
      "wpm": 65,
      "message": "แจกคนละชุดนะคะ"
    },
    {
      "message_id": 125,
      "agent_id": 3,
      "delay": 0.011,
      "onscreen_delay": 0,
      "typing_delay": 0.011,
      "typing_duration": 3.211,
      "wpm": 19,
      "message": "นะคะ"
    },
    {
      "message_id": 126,
      "agent_id": 4,
      "delay": 3.21,
      "onscreen_delay": 0,
      "typing_delay": 3.21,
      "typing_duration": 3.21,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 127,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.213,
      "wpm": 47,
      "message": "หรือสามารถ"
    },
    {
      "message_id": 128,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.206,
      "wpm": 150,
      "message": "เปิดในสมุดได้นะคะ คราวที่แล้วน่ะ"
    },
    {
      "message_id": 129,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.211,
      "wpm": 149,
      "message": "ที่เราทำไปนะในเรื่องของ Queue นะ"
    },
    {
      "message_id": 130,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.205,
      "wpm": 108,
      "message": "เราก็ไปทบทวน ไปทบทวนได้"
    },
    {
      "message_id": 131,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.203,
      "wpm": 122,
      "message": "ก่อนจะขึ้นเรื่องใหม่ ลองดู"
    },
    {
      "message_id": 132,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.202,
      "wpm": 145,
      "message": "นะคะ ว่าเรายังจำได้ไหมนี่ front"
    },
    {
      "message_id": 133,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.201,
      "wpm": 70,
      "message": "Stack กับ Queue"
    },
    {
      "message_id": 134,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.2,
      "wpm": 136,
      "message": "ดูนะคะ ครูมีอยู่ทั้งหมด 5 ข้อ"
    },
    {
      "message_id": 135,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.198,
      "wpm": 150,
      "message": "ด้วยกัน ทำลงในกระดาษที่ครูแจกเลย"
    },
    {
      "message_id": 136,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.197,
      "wpm": 99,
      "message": "เขียนลงไปในนี้เลยนะคะ"
    },
    {
      "message_id": 137,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.196,
      "wpm": 23,
      "message": "ข้อ 1"
    },
    {
      "message_id": 138,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.196,
      "wpm": 38,
      "message": "กับข้อ 2"
    },
    {
      "message_id": 139,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.197,
      "wpm": 230,
      "message": "ให้เขียนอธิบายนะคะ ว่าลักษณะของ Stack เป็นอย่างไร"
    },
    {
      "message_id": 140,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.21,
      "wpm": 126,
      "message": "ลักษณะของ Queue เป็นอย่างไร"
    },
    {
      "message_id": 141,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.192,
      "wpm": 61,
      "message": "คำสั่ง Push 5"
    },
    {
      "message_id": 142,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.192,
      "wpm": 230,
      "message": "หมายถึงอะไร ครูระบุไว้ให้แล้วนี่ Push หมายถึงอะไร"
    },
    {
      "message_id": 143,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.19,
      "wpm": 207,
      "message": "เรา Push ข้อมูลอะไรลงไป ก็เขียนอธิบาย คำสั่ง"
    },
    {
      "message_id": 144,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.189,
      "wpm": 127,
      "message": "นี้ทำอะไร คำสั่ง Pop ทำอะไร"
    },
    {
      "message_id": 145,
      "agent_id": 3,
      "delay": 3.188,
      "onscreen_delay": 0,
      "typing_delay": 3.188,
      "typing_duration": 3.188,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 146,
      "agent_id": 4,
      "delay": 3.18,
      "onscreen_delay": 0,
      "typing_delay": 3.18,
      "typing_duration": 3.18,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 147,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.178,
      "wpm": 142,
      "message": "ถัดมา ก็จะมากำหนดค่า Top ครูมี"
    },
    {
      "message_id": 148,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.178,
      "wpm": 165,
      "message": "Stack ให้แล้วเมื่อเราใช้คำสั่ง Push"
    },
    {
      "message_id": 149,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.175,
      "wpm": 146,
      "message": "แล้วนี่ ค่า Top จะมีค่าเป็นอะไร"
    },
    {
      "message_id": 150,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.173,
      "wpm": 95,
      "message": "หลังจากใช้คำสั่ง Pop"
    },
    {
      "message_id": 151,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.172,
      "wpm": 137,
      "message": "แล้วค่า Top จะเป็นอย่างไรนะคะ"
    },
    {
      "message_id": 152,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.173,
      "wpm": 80,
      "message": "Queue ก็เหมือนกัน"
    },
    {
      "message_id": 153,
      "agent_id": 3,
      "delay": 3.169,
      "onscreen_delay": 0,
      "typing_delay": 3.169,
      "typing_duration": 3.169,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 154,
      "agent_id": 4,
      "delay": 3.167,
      "onscreen_delay": 0,
      "typing_delay": 3.167,
      "typing_duration": 3.167,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 155,
      "agent_id": 5,
      "delay": 3.164,
      "onscreen_delay": 0,
      "typing_delay": 3.164,
      "typing_duration": 3.164,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 156,
      "agent_id": 2,
      "delay": 3.162,
      "onscreen_delay": 0,
      "typing_delay": 3.162,
      "typing_duration": 3.162,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 157,
      "agent_id": 3,
      "delay": 3.158,
      "onscreen_delay": 0,
      "typing_delay": 3.158,
      "typing_duration": 3.158,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 158,
      "agent_id": 4,
      "delay": 3.156,
      "onscreen_delay": 0,
      "typing_delay": 3.156,
      "typing_duration": 3.156,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 159,
      "agent_id": 5,
      "delay": 3.151,
      "onscreen_delay": 0,
      "typing_delay": 3.151,
      "typing_duration": 3.151,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 160,
      "agent_id": 2,
      "delay": 3.151,
      "onscreen_delay": 0,
      "typing_delay": 3.151,
      "typing_duration": 3.151,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 161,
      "agent_id": 3,
      "delay": 3.15,
      "onscreen_delay": 0,
      "typing_delay": 3.15,
      "typing_duration": 3.15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 162,
      "agent_id": 4,
      "delay": 3.146,
      "onscreen_delay": 0,
      "typing_delay": 3.146,
      "typing_duration": 3.146,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 163,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.145,
      "wpm": 186,
      "message": "เริ่มต้น เขียนชื่อลงในกระดาษแผ่นแรกนะคะ"
    },
    {
      "message_id": 164,
      "agent_id": 2,
      "delay": 3.141,
      "onscreen_delay": 0,
      "typing_delay": 3.141,
      "typing_duration": 3.141,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 165,
      "agent_id": 3,
      "delay": 3.138,
      "onscreen_delay": 0,
      "typing_delay": 3.138,
      "typing_duration": 3.138,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 166,
      "agent_id": 4,
      "delay": 3.137,
      "onscreen_delay": 0,
      "typing_delay": 3.137,
      "typing_duration": 3.137,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 167,
      "agent_id": 5,
      "delay": 3.133,
      "onscreen_delay": 0,
      "typing_delay": 3.133,
      "typing_duration": 3.133,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 168,
      "agent_id": 2,
      "delay": 3.131,
      "onscreen_delay": 0,
      "typing_delay": 3.131,
      "typing_duration": 3.131,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 169,
      "agent_id": 3,
      "delay": 3.13,
      "onscreen_delay": 0,
      "typing_delay": 3.13,
      "typing_duration": 3.13,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 170,
      "agent_id": 4,
      "delay": 3.126,
      "onscreen_delay": 0,
      "typing_delay": 3.126,
      "typing_duration": 3.126,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 171,
      "agent_id": 5,
      "delay": 3.125,
      "onscreen_delay": 0,
      "typing_delay": 3.125,
      "typing_duration": 3.125,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 172,
      "agent_id": 2,
      "delay": 3.12,
      "onscreen_delay": 0,
      "typing_delay": 3.12,
      "typing_duration": 3.12,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 173,
      "agent_id": 3,
      "delay": 3.119,
      "onscreen_delay": 0,
      "typing_delay": 3.119,
      "typing_duration": 3.119,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 174,
      "agent_id": 4,
      "delay": 3.116,
      "onscreen_delay": 0,
      "typing_delay": 3.116,
      "typing_duration": 3.116,
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      "message": ""
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    {
      "message_id": 175,
      "agent_id": 5,
      "delay": 3.115,
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      "typing_delay": 3.115,
      "typing_duration": 3.115,
      "wpm": 0,
      "message": ""
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    {
      "message_id": 176,
      "agent_id": 2,
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      "typing_delay": 3.113,
      "typing_duration": 3.113,
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    {
      "message_id": 177,
      "agent_id": 3,
      "delay": 3.112,
      "onscreen_delay": 0,
      "typing_delay": 3.112,
      "typing_duration": 3.112,
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      "message": ""
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    {
      "message_id": 178,
      "agent_id": 4,
      "delay": 3.109,
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      "typing_delay": 3.109,
      "typing_duration": 3.109,
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      "message": ""
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    {
      "message_id": 179,
      "agent_id": 5,
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      "typing_duration": 3.104,
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    {
      "message_id": 180,
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      "message_id": 181,
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    {
      "message_id": 194,
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      "message_id": 195,
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      "message_id": 205,
      "agent_id": 3,
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      "agent_id": 5,
      "delay": 3.039,
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      "message_id": 208,
      "agent_id": 2,
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      "message_id": 209,
      "agent_id": 3,
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      "message_id": 210,
      "agent_id": 4,
      "delay": 3.033,
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    {
      "message_id": 211,
      "agent_id": 5,
      "delay": 3.031,
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      "typing_duration": 3.031,
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    {
      "message_id": 212,
      "agent_id": 2,
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      "message_id": 213,
      "agent_id": 3,
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    {
      "message_id": 214,
      "agent_id": 4,
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      "message_id": 215,
      "agent_id": 5,
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      "agent_id": 3,
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      "agent_id": 4,
      "delay": 3.394,
      "onscreen_delay": 0,
      "typing_delay": 3.394,
      "typing_duration": 3.394,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 575,
      "agent_id": 5,
      "delay": 3.391,
      "onscreen_delay": 0,
      "typing_delay": 3.391,
      "typing_duration": 3.391,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 576,
      "agent_id": 2,
      "delay": 3.39,
      "onscreen_delay": 0,
      "typing_delay": 3.39,
      "typing_duration": 3.39,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 577,
      "agent_id": 3,
      "delay": 3.389,
      "onscreen_delay": 0,
      "typing_delay": 3.389,
      "typing_duration": 3.389,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 578,
      "agent_id": 4,
      "delay": 3.385,
      "onscreen_delay": 0,
      "typing_delay": 3.385,
      "typing_duration": 3.385,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 579,
      "agent_id": 5,
      "delay": 3.381,
      "onscreen_delay": 0,
      "typing_delay": 3.381,
      "typing_duration": 3.381,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 580,
      "agent_id": 2,
      "delay": 3.379,
      "onscreen_delay": 0,
      "typing_delay": 3.379,
      "typing_duration": 3.379,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 581,
      "agent_id": 3,
      "delay": 3.377,
      "onscreen_delay": 0,
      "typing_delay": 3.377,
      "typing_duration": 3.377,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 582,
      "agent_id": 4,
      "delay": 3.376,
      "onscreen_delay": 0,
      "typing_delay": 3.376,
      "typing_duration": 3.376,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 583,
      "agent_id": 5,
      "delay": 3.373,
      "onscreen_delay": 0,
      "typing_delay": 3.373,
      "typing_duration": 3.373,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 584,
      "agent_id": 2,
      "delay": 3.372,
      "onscreen_delay": 0,
      "typing_delay": 3.372,
      "typing_duration": 3.372,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 585,
      "agent_id": 3,
      "delay": 3.369,
      "onscreen_delay": 0,
      "typing_delay": 3.369,
      "typing_duration": 3.369,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 586,
      "agent_id": 4,
      "delay": 3.366,
      "onscreen_delay": 0,
      "typing_delay": 3.366,
      "typing_duration": 3.366,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 587,
      "agent_id": 5,
      "delay": 3.365,
      "onscreen_delay": 0,
      "typing_delay": 3.365,
      "typing_duration": 3.365,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 588,
      "agent_id": 2,
      "delay": 3.363,
      "onscreen_delay": 0,
      "typing_delay": 3.363,
      "typing_duration": 3.363,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 589,
      "agent_id": 3,
      "delay": 3.362,
      "onscreen_delay": 0,
      "typing_delay": 3.362,
      "typing_duration": 3.362,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 590,
      "agent_id": 4,
      "delay": 3.361,
      "onscreen_delay": 0,
      "typing_delay": 3.361,
      "typing_duration": 3.361,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 591,
      "agent_id": 5,
      "delay": 3.36,
      "onscreen_delay": 0,
      "typing_delay": 3.36,
      "typing_duration": 3.36,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 592,
      "agent_id": 2,
      "delay": 3.357,
      "onscreen_delay": 0,
      "typing_delay": 3.357,
      "typing_duration": 3.357,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 593,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.356,
      "wpm": 130,
      "message": "(อาจารย์สุธาสินี) คราวนี้มาดู"
    },
    {
      "message_id": 594,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.357,
      "wpm": 31,
      "message": "เห็น..."
    },
    {
      "message_id": 595,
      "agent_id": 5,
      "delay": 3.353,
      "onscreen_delay": 0,
      "typing_delay": 3.353,
      "typing_duration": 3.353,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 596,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.352,
      "wpm": 103,
      "message": "มาดูพร้อมกันนะคะ ตัวนี้"
    },
    {
      "message_id": 597,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.347,
      "wpm": 94,
      "message": "คือ Stack นะ F0mpM8i^"
    },
    {
      "message_id": 598,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.345,
      "wpm": 45,
      "message": "นะคะ Stack"
    },
    {
      "message_id": 599,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.344,
      "wpm": 67,
      "message": "คือเข้าข้างหลัง"
    },
    {
      "message_id": 600,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.343,
      "wpm": 126,
      "message": "ออกข้างหลังใช่ไหมคะ Stack นะ"
    },
    {
      "message_id": 601,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.343,
      "wpm": 54,
      "message": "เข้าข้างหลัง"
    },
    {
      "message_id": 602,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.341,
      "wpm": 49,
      "message": "ออกข้างหลัง"
    },
    {
      "message_id": 603,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.345,
      "wpm": 81,
      "message": "ก็คือทางเข้าทางออก"
    },
    {
      "message_id": 604,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.34,
      "wpm": 72,
      "message": "อยู่ด้านหลังนะคะ"
    },
    {
      "message_id": 605,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.346,
      "wpm": 143,
      "message": "คำสั่งตัวแรกดู ครูสั่งอะไรคะ Pus"
    },
    {
      "message_id": 606,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.337,
      "wpm": 81,
      "message": "Push คือใส่ ครู Pu"
    },
    {
      "message_id": 607,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.336,
      "wpm": 139,
      "message": "อะไรคะ ครู Push เลข 3 คำสั่งคือ"
    },
    {
      "message_id": 608,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.335,
      "wpm": 45,
      "message": "ใส่ ข้อมูล"
    },
    {
      "message_id": 609,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.333,
      "wpm": 108,
      "message": "เลข 3 เพราะฉะนั้น ครุใส่"
    },
    {
      "message_id": 610,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.332,
      "wpm": 153,
      "message": "ตรงไหน ใส่ข้างหลังเห็นไหมคะ ครูใส่"
    },
    {
      "message_id": 611,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.331,
      "wpm": 23,
      "message": "เลข 3"
    },
    {
      "message_id": 612,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.33,
      "wpm": 117,
      "message": "เห็นไหมคะ ครูใส่เลข 3 ลงมา"
    },
    {
      "message_id": 613,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.329,
      "wpm": 189,
      "message": "ลงมา มันมีที่ว่างตรงไหนคะ ครูหาทีว่างใส่นะ"
    },
    {
      "message_id": 614,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.326,
      "wpm": 176,
      "message": "นี่ครูเจอช่องนี้ว่างพอดีเลย เพราะฉะนั้น"
    },
    {
      "message_id": 615,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.329,
      "wpm": 113,
      "message": "เลข 3 ครูก็อยู่ที่ช่องนี้"
    },
    {
      "message_id": 616,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.324,
      "wpm": 244,
      "message": "นะคะ เลข 3 นี่ครูมาอยู่ที่ช่องสุดท้าย มันมีช่องใส่อยู่"
    },
    {
      "message_id": 617,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.323,
      "wpm": 158,
      "message": "ช่องเดียวน่ะ ข้างหน้ามันเต็มหมดแล้ว"
    },
    {
      "message_id": 618,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.322,
      "wpm": 99,
      "message": "แล้วค่า Top จะเป็นอะไร"
    },
    {
      "message_id": 619,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.32,
      "wpm": 208,
      "message": "ค่า Top เป็นอะไร เราก็ต้องดูสิว่าค่าเลขช่องนี้"
    },
    {
      "message_id": 620,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.32,
      "wpm": 167,
      "message": "มันอยู่ช่องหมายเลขอะไร เราก็ต้องเริ่ม"
    },
    {
      "message_id": 621,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.319,
      "wpm": 122,
      "message": "เขียนจากช่องปรก็คือ หมายเลข"
    },
    {
      "message_id": 622,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.318,
      "wpm": 127,
      "message": "หมายเลข 3 หมายเลข 4 ถูกไหมคะ"
    },
    {
      "message_id": 623,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.317,
      "wpm": 140,
      "message": "เพราะฉะนั้นแล้วนี่ ข้อมูลของครู"
    },
    {
      "message_id": 624,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.328,
      "wpm": 158,
      "message": "อยู่ช่แงหมายเลขอะไร หมายเลข 4 เพราะ"
    },
    {
      "message_id": 625,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.317,
      "wpm": 104,
      "message": "ค่า Top จึงมีค่าเท่ากับ"
    },
    {
      "message_id": 626,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.315,
      "wpm": 104,
      "message": "4 เห็นไหมคะ มันตรงกันนะ"
    },
    {
      "message_id": 627,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.314,
      "wpm": 113,
      "message": "ข้อมูลครุอยู่ตรงนี้ ครูมั"
    },
    {
      "message_id": 628,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.315,
      "wpm": 136,
      "message": "คือ 4 Top ครูเลยมีค่าเท่ากับ 4"
    },
    {
      "message_id": 629,
      "agent_id": 3,
      "delay": 3.311,
      "onscreen_delay": 0,
      "typing_delay": 3.311,
      "typing_duration": 3.311,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 630,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.311,
      "wpm": 136,
      "message": "คำสั่ง Push นะคะ เดี๋ยวเรามาดู"
    },
    {
      "message_id": 631,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.309,
      "wpm": 41,
      "message": "อีก 1 ตัว"
    },
    {
      "message_id": 632,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.309,
      "wpm": 50,
      "message": "ดูสิคะ Push"
    },
    {
      "message_id": 633,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.309,
      "wpm": 122,
      "message": "เหมือนกัน เห็นไหมคะ เจอ Pus"
    },
    {
      "message_id": 634,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.306,
      "wpm": 73,
      "message": "แสดงว่าใส่ข้อมูล"
    },
    {
      "message_id": 635,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.305,
      "wpm": 177,
      "message": "ใช่ไหม Push คือใส่ข้อมูล ใส่ข้างไหน คือ"
    },
    {
      "message_id": 636,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.304,
      "wpm": 132,
      "message": "ใส่ข้างหลัง แล้วก็ใส่ลงมานะคะ"
    },
    {
      "message_id": 637,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.303,
      "wpm": 77,
      "message": "คือ ใส่หมายเลข 10"
    },
    {
      "message_id": 638,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.303,
      "wpm": 177,
      "message": "พอครูใส่หมายเลข 10 เห็นไหม มันมีที่ว่าง"
    },
    {
      "message_id": 639,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.298,
      "wpm": 114,
      "message": "มันค่อย ๆ ไหลลงมา ไหลลงมา"
    },
    {
      "message_id": 640,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.298,
      "wpm": 100,
      "message": "นะคะ ก็เลยมาใส่ที่ช่อง"
    },
    {
      "message_id": 641,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.295,
      "wpm": 114,
      "message": "หลังเลข 3 แล้วหมายเลขช่อง"
    },
    {
      "message_id": 642,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.296,
      "wpm": 146,
      "message": "คืออะไร เราก็เขียนเหมือนเดิม 0 1"
    },
    {
      "message_id": 643,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.294,
      "wpm": 77,
      "message": "2 เพราะฉะนั้น ค่า"
    },
    {
      "message_id": 644,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.292,
      "wpm": 96,
      "message": "Top เลยมีค่าเท่ากับ 2"
    },
    {
      "message_id": 645,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.291,
      "wpm": 201,
      "message": "เห็นไหมคะ เพราะข้อมูลของเรานี่ อยุ่หมายเลข 2"
    },
    {
      "message_id": 646,
      "agent_id": 4,
      "delay": 3.289,
      "onscreen_delay": 0,
      "typing_delay": 3.289,
      "typing_duration": 3.289,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 647,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.288,
      "wpm": 78,
      "message": "โอเค ถัดมา เราเจอ"
    },
    {
      "message_id": 648,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.287,
      "wpm": 114,
      "message": "คำสั่งใหม่แล้ว คำสั่ง Pop"
    },
    {
      "message_id": 649,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.286,
      "wpm": 96,
      "message": "Pop คือเอาข้างหลังออก"
    },
    {
      "message_id": 650,
      "agent_id": 4,
      "delay": 0.285,
      "onscreen_delay": 0,
      "typing_delay": 0.285,
      "typing_duration": 3.295,
      "wpm": 14,
      "message": "ออก"
    },
    {
      "message_id": 651,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.283,
      "wpm": 215,
      "message": "เอาข้อมูลที่อยู่ข้างหลังออก คือ pop เพราะฉะนั้น"
    },
    {
      "message_id": 652,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.282,
      "wpm": 110,
      "message": "ข้อมูลที่อยู่ข้างหลังคือ"
    },
    {
      "message_id": 653,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.281,
      "wpm": 165,
      "message": "เลข 9 ใช่ไหมคะ ข้อมูลที่อยู่ข้างหลัง"
    },
    {
      "message_id": 654,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.277,
      "wpm": 128,
      "message": "ตัวหลังสุดคือเลข 9 ไม่ใช่ค่ะ"
    },
    {
      "message_id": 655,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.277,
      "wpm": 169,
      "message": "คือ เลข 4 พูดผิด ตัวหลังสุด คือ เลข 4"
    },
    {
      "message_id": 656,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.274,
      "wpm": 165,
      "message": "เพราะฉะนั้น ครูเอาเลข 4 ออก ถูกไหมคะ"
    },
    {
      "message_id": 657,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.274,
      "wpm": 124,
      "message": "ลบมันทิ้งไปเลย ครูลบมันทิ้ง"
    },
    {
      "message_id": 658,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.272,
      "wpm": 257,
      "message": "Pop คือเอาออก เพราะฉะนั้น มันจะไม่มีข้อมูลหมายเลข 4 อยู่"
    },
    {
      "message_id": 659,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.271,
      "wpm": 243,
      "message": "ใน stack ของเราแล้ว เพราะฉะนั้น ข้อมูลตัวล่าสุดของเรา"
    },
    {
      "message_id": 660,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.27,
      "wpm": 87,
      "message": "เลขอะไรคะ เลข 9 ถ้า"
    },
    {
      "message_id": 661,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.269,
      "wpm": 142,
      "message": "เลข 9 เราอยู่ที่หมายเลขช่องอะไร"
    },
    {
      "message_id": 662,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.268,
      "wpm": 115,
      "message": "เราไม่รู้เราก็เขียน 0 1 2"
    },
    {
      "message_id": 663,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.271,
      "wpm": 165,
      "message": "เพราะฉะนั้น ค่า pop ก็คือ ค่า 2 นะคะ"
    },
    {
      "message_id": 664,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.264,
      "wpm": 156,
      "message": "อันไหนที่เราตัดทิ้งเราก็ลบออกไปเลย"
    },
    {
      "message_id": 665,
      "agent_id": 3,
      "delay": 3.264,
      "onscreen_delay": 0,
      "typing_delay": 3.264,
      "typing_duration": 3.264,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 666,
      "agent_id": 4,
      "delay": 3.263,
      "onscreen_delay": 0,
      "typing_delay": 3.263,
      "typing_duration": 3.263,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 667,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.262,
      "wpm": 193,
      "message": "ถัดมา เรา pop อีกแล้ว pop คืออะไรคะ เอาออก"
    },
    {
      "message_id": 668,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.258,
      "wpm": 152,
      "message": "เราก็เขียนไว้ก่อนนะ Pop คือเอาออก"
    },
    {
      "message_id": 669,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.257,
      "wpm": 147,
      "message": "เอาตรงไหนออก มันเหลือตัวเดียวน่ะ"
    },
    {
      "message_id": 670,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.257,
      "wpm": 180,
      "message": "มันมีเลข 7 ตัวเดียว เพราะฉะนั้น เราต้อง"
    },
    {
      "message_id": 671,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.255,
      "wpm": 249,
      "message": "เอาเลข 7 ออก เพราะฉะนั้น ตอนนี้เรามีข้อมูลใน stack ไหม"
    },
    {
      "message_id": 672,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.253,
      "wpm": 101,
      "message": "จะเป็น 0 ได้ไหม ไม่ได้"
    },
    {
      "message_id": 673,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.252,
      "wpm": 198,
      "message": "ถุกไหมคะ เป็น 0 ไม่ได้ ถูกไหมคะ เพราะฉะนั้น"
    },
    {
      "message_id": 674,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.252,
      "wpm": 115,
      "message": "Top ของเราจึงมีค่าเป็น -1"
    },
    {
      "message_id": 675,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.25,
      "wpm": 175,
      "message": "ตามที่ครูบอกนะ stack ว่าง มีค่าเป็น -1"
    },
    {
      "message_id": 676,
      "agent_id": 2,
      "delay": 3.248,
      "onscreen_delay": 0,
      "typing_delay": 3.248,
      "typing_duration": 3.248,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 677,
      "agent_id": 3,
      "delay": 0.048,
      "onscreen_delay": 0,
      "typing_delay": 0.048,
      "typing_duration": 3.248,
      "wpm": 18,
      "message": "โอเค"
    },
    {
      "message_id": 678,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.246,
      "wpm": 46,
      "message": "เราลองมาดู"
    },
    {
      "message_id": 679,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.244,
      "wpm": 79,
      "message": "queue queue queue"
    },
    {
      "message_id": 680,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.244,
      "wpm": 162,
      "message": "เห็นไหมคะ ครูบอกแล้วตัวนี้คือ Queue"
    },
    {
      "message_id": 681,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.243,
      "wpm": 120,
      "message": "ครูก็บอกแล้วว่า อันนี้ คือ"
    },
    {
      "message_id": 682,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.241,
      "wpm": 23,
      "message": "queue"
    },
    {
      "message_id": 683,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.24,
      "wpm": 204,
      "message": "จะมีตัวกำกับหรือตัวชี้อยู่ 2 ตัว ก็คือ front"
    },
    {
      "message_id": 684,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.24,
      "wpm": 93,
      "message": "กับ rear คือ f กับ r"
    },
    {
      "message_id": 685,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.24,
      "wpm": 130,
      "message": "ใช่ไหมคะ Front  อยู่ข้างหน้า"
    },
    {
      "message_id": 686,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.239,
      "wpm": 79,
      "message": "rear อยู่ข้างหลัง"
    },
    {
      "message_id": 687,
      "agent_id": 5,
      "delay": 3.237,
      "onscreen_delay": 0,
      "typing_delay": 3.237,
      "typing_duration": 3.237,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 688,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.235,
      "wpm": 83,
      "message": "จะมีคำสั่ง enqueue"
    },
    {
      "message_id": 689,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.234,
      "wpm": 135,
      "message": "กับ dequeue  ใช่ไหมคะ dequeue"
    },
    {
      "message_id": 690,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.233,
      "wpm": 65,
      "message": "คืออะไร เอาออก"
    },
    {
      "message_id": 691,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.235,
      "wpm": 111,
      "message": "dequeue คือ เอาข้อมูลออก"
    },
    {
      "message_id": 692,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.231,
      "wpm": 65,
      "message": "เอาข้างหน้าออก"
    },
    {
      "message_id": 693,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.231,
      "wpm": 42,
      "message": "เห็นไหมคะ"
    },
    {
      "message_id": 694,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.228,
      "wpm": 121,
      "message": "Dequeue คือ เอาข้างหน้าออก"
    },
    {
      "message_id": 695,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.227,
      "wpm": 200,
      "message": "เพราะฉะนั้น เอาเลขอะไรออกคะ เลข  7 เอาเลข 7"
    },
    {
      "message_id": 696,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.226,
      "wpm": 102,
      "message": "ออก เพราะฉะนั้น ข้อมูล"
    },
    {
      "message_id": 697,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.226,
      "wpm": 153,
      "message": "ตัวแรกคืออะไร เราเขียนหมายเลขก่อน"
    },
    {
      "message_id": 698,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.225,
      "wpm": 98,
      "message": "ข้อมูลตัวเลขจะอยู่ที่"
    },
    {
      "message_id": 699,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 167,
      "message": "เลข 6 ใช่ไหม มันตรงกับเลขอะไร ช่อง 1"
    },
    {
      "message_id": 700,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.223,
      "wpm": 144,
      "message": "ก็คือ front ก็คือข้างหน้าถูกไหม"
    },
    {
      "message_id": 701,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.219,
      "wpm": 116,
      "message": "ตัวสุดท้ายอยู่ช่องเลขอะไร"
    },
    {
      "message_id": 702,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.218,
      "wpm": 121,
      "message": "เลข 3 นะคะ อันนี้คือตัวแรก"
    },
    {
      "message_id": 703,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.223,
      "wpm": 163,
      "message": "อันนี้คือตัวแรก อันนี้คือตัวสุดท้าย"
    },
    {
      "message_id": 704,
      "agent_id": 2,
      "delay": 3.216,
      "onscreen_delay": 0,
      "typing_delay": 3.216,
      "typing_duration": 3.216,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 705,
      "agent_id": 3,
      "delay": 3.215,
      "onscreen_delay": 0,
      "typing_delay": 3.215,
      "typing_duration": 3.215,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 706,
      "agent_id": 4,
      "delay": 3.213,
      "onscreen_delay": 0,
      "typing_delay": 3.213,
      "typing_duration": 3.213,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 707,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.213,
      "wpm": 23,
      "message": "ถัดมา"
    },
    {
      "message_id": 708,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.222,
      "wpm": 93,
      "message": "ครูใช้คำสั่ง enqueue"
    },
    {
      "message_id": 709,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.217,
      "wpm": 131,
      "message": "เราเห็น Enqueue  ว่ามีตัวเลข"
    },
    {
      "message_id": 710,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.217,
      "wpm": 200,
      "message": "ใช่ไหมคะ แสดงว่าต้องเอาเข้าน่ะ เอาเข้าถูกนะ"
    },
    {
      "message_id": 711,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.206,
      "wpm": 126,
      "message": "เอาเข้าข้างหน้าหรือข้างหลัง"
    },
    {
      "message_id": 712,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.204,
      "wpm": 98,
      "message": "ข้างหลังเอาเลข 3 เข้า"
    },
    {
      "message_id": 713,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.204,
      "wpm": 197,
      "message": "ถูกไหมคะ พอครูเอาเลข 3 เข้า จะไปอยู่เลขไหน"
    },
    {
      "message_id": 714,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.202,
      "wpm": 89,
      "message": "จะอยู่หลังหมายเลข 6"
    },
    {
      "message_id": 715,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.201,
      "wpm": 103,
      "message": "เราใส่เลขกำกับก่อน 0 1"
    },
    {
      "message_id": 716,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.2,
      "wpm": 122,
      "message": "2 ข้อมูลตัวแรกอยู่ที่ไหนคะ"
    },
    {
      "message_id": 717,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.201,
      "wpm": 84,
      "message": "0 ข้อมูลตัวสุดท้าย"
    },
    {
      "message_id": 718,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.197,
      "wpm": 42,
      "message": "อยู่ที่ 2"
    },
    {
      "message_id": 719,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.195,
      "wpm": 42,
      "message": "front บอก"
    },
    {
      "message_id": 720,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.194,
      "wpm": 146,
      "message": "front จะบอกข้อมูลตัวแรกใช่ไหมคะ"
    },
    {
      "message_id": 721,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.195,
      "wpm": 70,
      "message": "ส่วน rear จะบอก"
    },
    {
      "message_id": 722,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.192,
      "wpm": 28,
      "message": "ข้อมูล"
    },
    {
      "message_id": 723,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.189,
      "wpm": 47,
      "message": "ตัวสุดท้าย"
    },
    {
      "message_id": 724,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.188,
      "wpm": 24,
      "message": "ถัดมา"
    },
    {
      "message_id": 725,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.2,
      "wpm": 103,
      "message": "Enqueue  เอาเข้าเอาออก"
    },
    {
      "message_id": 726,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.187,
      "wpm": 33,
      "message": "เอาเข้า"
    },
    {
      "message_id": 727,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.189,
      "wpm": 226,
      "message": "เอาเข้าข้างหลัง เอาอะไรคะ เอา 8 เข้า เพราะฉะนั้น"
    },
    {
      "message_id": 728,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.184,
      "wpm": 118,
      "message": "มันจะไปอยู่ที่ช่องหลังเลข"
    },
    {
      "message_id": 729,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.185,
      "wpm": 113,
      "message": "4 มันมีหมายเลขช่องไหม มี"
    },
    {
      "message_id": 730,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.183,
      "wpm": 123,
      "message": "ข้างหลัง ก็คือ rear ใช่ไหม"
    },
    {
      "message_id": 731,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.18,
      "wpm": 179,
      "message": "8 อยู่หมายเลข 3 ตัวแรก อยู่ช่องหมายเลข"
    },
    {
      "message_id": 732,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.179,
      "wpm": 198,
      "message": "1 เห็นไหมคะ อันนี้คือช่องแรก อันนี้คือช่อง"
    },
    {
      "message_id": 733,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.185,
      "wpm": 33,
      "message": "สุดท้าย"
    },
    {
      "message_id": 734,
      "agent_id": 4,
      "delay": 3.178,
      "onscreen_delay": 0,
      "typing_delay": 3.178,
      "typing_duration": 3.178,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 735,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.177,
      "wpm": 24,
      "message": "ถัดมา"
    },
    {
      "message_id": 736,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.178,
      "wpm": 80,
      "message": "dequeue คืออะไรคะ"
    },
    {
      "message_id": 737,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.176,
      "wpm": 61,
      "message": "เอาออก เอา..."
    },
    {
      "message_id": 738,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.179,
      "wpm": 66,
      "message": "เอาข้างหน้าออก"
    },
    {
      "message_id": 739,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.173,
      "wpm": 227,
      "message": "ใช่ไหมคะ เพราะฉะนั้น เอาหมายเลขอะไรออก หมายเลข 4"
    },
    {
      "message_id": 740,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.173,
      "wpm": 161,
      "message": "เพราะฉะนั้น ข้อมูลจะเหลือแค่ 1 ตัว"
    },
    {
      "message_id": 741,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.172,
      "wpm": 118,
      "message": "เพราะฉะนั้นอยู่ช่องอะไรคะ"
    },
    {
      "message_id": 742,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.171,
      "wpm": 156,
      "message": "หมายเลข 2 มีข้อมูลอยู่แค่ตัวเดียว"
    },
    {
      "message_id": 743,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.17,
      "wpm": 151,
      "message": "เห็นไหมคะ หมายเลขช่อง ก็คือเลข 2"
    },
    {
      "message_id": 744,
      "agent_id": 2,
      "delay": 3.169,
      "onscreen_delay": 0,
      "typing_delay": 3.169,
      "typing_duration": 3.169,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 745,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.168,
      "wpm": 24,
      "message": "ถัดมา"
    },
    {
      "message_id": 746,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.165,
      "wpm": 71,
      "message": "Dequeue Dequeue"
    },
    {
      "message_id": 747,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.164,
      "wpm": 109,
      "message": "คืออะไรคะ เอาออกอีกแล้ว"
    },
    {
      "message_id": 748,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.161,
      "wpm": 66,
      "message": "เอาอะไรออก เอา"
    },
    {
      "message_id": 749,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.159,
      "wpm": 123,
      "message": "2 ออก ตอนนี้มีอะไรใน queue"
    },
    {
      "message_id": 750,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.158,
      "wpm": 119,
      "message": "ไม่มี เพราะฉะนั้น จะมีค่า"
    },
    {
      "message_id": 751,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.157,
      "wpm": 105,
      "message": "เป็น -1 คือ queue ว่าง"
    },
    {
      "message_id": 752,
      "agent_id": 2,
      "delay": 3.156,
      "onscreen_delay": 0,
      "typing_delay": 3.156,
      "typing_duration": 3.156,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 753,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.155,
      "wpm": 157,
      "message": "เมื่อกี้เราใช้คำสั่ง enqueue  กับ"
    },
    {
      "message_id": 754,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.152,
      "wpm": 105,
      "message": "เพราะฉะนั้น Endqueue 5"
    },
    {
      "message_id": 755,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.151,
      "wpm": 143,
      "message": "หมายถึงอะไรคะ เอาข้อมูลเลขอะไร"
    },
    {
      "message_id": 756,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.15,
      "wpm": 43,
      "message": "เอาข้อมูล"
    },
    {
      "message_id": 757,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.149,
      "wpm": 48,
      "message": "เลข 5 เข้า"
    },
    {
      "message_id": 758,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.148,
      "wpm": 48,
      "message": "ไปใน queue"
    },
    {
      "message_id": 759,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.145,
      "wpm": 38,
      "message": "ใช่ไหมคะ"
    },
    {
      "message_id": 760,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.144,
      "wpm": 72,
      "message": "dequeue คืออะไร"
    },
    {
      "message_id": 761,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.143,
      "wpm": 76,
      "message": "เอาข้อมูล ทำไมคะ"
    },
    {
      "message_id": 762,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.143,
      "wpm": 57,
      "message": "ออกจาก queue"
    },
    {
      "message_id": 763,
      "agent_id": 5,
      "delay": 3.142,
      "onscreen_delay": 0,
      "typing_delay": 3.142,
      "typing_duration": 3.142,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 764,
      "agent_id": 2,
      "delay": 3.139,
      "onscreen_delay": 0,
      "typing_delay": 3.139,
      "typing_duration": 3.139,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 765,
      "agent_id": 3,
      "delay": 3.138,
      "onscreen_delay": 0,
      "typing_delay": 3.138,
      "typing_duration": 3.138,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 766,
      "agent_id": 4,
      "delay": 3.139,
      "onscreen_delay": 0,
      "typing_delay": 3.139,
      "typing_duration": 3.139,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 767,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.134,
      "wpm": 19,
      "message": "โอเค"
    },
    {
      "message_id": 768,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.134,
      "wpm": 57,
      "message": "ถ้า Push คือ"
    },
    {
      "message_id": 769,
      "agent_id": 3,
      "delay": 3.132,
      "onscreen_delay": 0,
      "typing_delay": 3.132,
      "typing_duration": 3.132,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 770,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.129,
      "wpm": 62,
      "message": "เอาข้อมูลอะไร"
    },
    {
      "message_id": 771,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.128,
      "wpm": 53,
      "message": "เอาข้อมูล 5"
    },
    {
      "message_id": 772,
      "agent_id": 2,
      "delay": 0.127,
      "onscreen_delay": 0,
      "typing_delay": 0.127,
      "typing_duration": 3.127,
      "wpm": 14,
      "message": "ใส่"
    },
    {
      "message_id": 773,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.127,
      "wpm": 58,
      "message": "ลงไปใน Stack"
    },
    {
      "message_id": 774,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.134,
      "wpm": 120,
      "message": "5 มาจากไหนนี่นะ มันบอกนี่"
    },
    {
      "message_id": 775,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.123,
      "wpm": 134,
      "message": "คำสั่งมันบอกว่าเอาเลข 5 นะคะ"
    },
    {
      "message_id": 776,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.122,
      "wpm": 86,
      "message": "ส่วน Pop คืออะไรคะ"
    },
    {
      "message_id": 777,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.12,
      "wpm": 43,
      "message": "เอาข้อมูล"
    },
    {
      "message_id": 778,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.114,
      "wpm": 58,
      "message": "ออกจาก Stack"
    },
    {
      "message_id": 779,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.124,
      "wpm": 154,
      "message": "เอาข้อมูลข้างหลังหรือข้างหน้าออก"
    },
    {
      "message_id": 780,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.107,
      "wpm": 183,
      "message": "Stack เอาข้อมูลข้างหลังหรือข้างหน้าออก"
    },
    {
      "message_id": 781,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.106,
      "wpm": 82,
      "message": "ข้างหลัง ถูกไหมคะ"
    },
    {
      "message_id": 782,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.111,
      "wpm": 43,
      "message": "เอาข้อมูล"
    },
    {
      "message_id": 783,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.104,
      "wpm": 53,
      "message": "ข้างหลังออก"
    },
    {
      "message_id": 784,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.104,
      "wpm": 135,
      "message": "เอาข้อมูลจากข้างหลังนะคะ ออก"
    },
    {
      "message_id": 785,
      "agent_id": 3,
      "delay": 3.104,
      "onscreen_delay": 0,
      "typing_delay": 3.104,
      "typing_duration": 3.104,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 786,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.101,
      "wpm": 63,
      "message": "เดี๋ยวถ่ายรูป"
    },
    {
      "message_id": 787,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.101,
      "wpm": 121,
      "message": "นะคะ ลงใน classroom หน่อย"
    },
    {
      "message_id": 788,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.097,
      "wpm": 121,
      "message": "ถ่ายรูปแบบฝึกหัดที่ทำนะคะ"
    },
    {
      "message_id": 789,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.096,
      "wpm": 68,
      "message": "ลงใน Classroom"
    },
    {
      "message_id": 790,
      "agent_id": 4,
      "delay": 3.095,
      "onscreen_delay": 0,
      "typing_delay": 3.095,
      "typing_duration": 3.095,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 791,
      "agent_id": 5,
      "delay": 3.093,
      "onscreen_delay": 0,
      "typing_delay": 3.093,
      "typing_duration": 3.093,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 792,
      "agent_id": 2,
      "delay": 3.093,
      "onscreen_delay": 0,
      "typing_delay": 3.093,
      "typing_duration": 3.093,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 793,
      "agent_id": 3,
      "delay": 3.09,
      "onscreen_delay": 0,
      "typing_delay": 3.09,
      "typing_duration": 3.09,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 794,
      "agent_id": 4,
      "delay": 3.096,
      "onscreen_delay": 0,
      "typing_delay": 3.096,
      "typing_duration": 3.096,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 795,
      "agent_id": 5,
      "delay": 3.086,
      "onscreen_delay": 0,
      "typing_delay": 3.086,
      "typing_duration": 3.086,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 796,
      "agent_id": 2,
      "delay": 3.082,
      "onscreen_delay": 0,
      "typing_delay": 3.082,
      "typing_duration": 3.082,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 797,
      "agent_id": 3,
      "delay": 3.08,
      "onscreen_delay": 0,
      "typing_delay": 3.08,
      "typing_duration": 3.08,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 798,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.078,
      "wpm": 122,
      "message": "เสร็จแล้วทุกคนถ่ายรูปนะคะ"
    },
    {
      "message_id": 799,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
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      "wpm": 132,
      "message": "แล้วก็โพสต์ลงไปใน classroom"
    },
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      "message_id": 800,
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      "delay": 3.084,
      "onscreen_delay": 0,
      "typing_delay": 3.084,
      "typing_duration": 3.084,
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    },
    {
      "message_id": 801,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.074,
      "wpm": 20,
      "message": "ถ่าย"
    },
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      "message_id": 802,
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      "delay": 0,
      "onscreen_delay": 0,
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      "typing_duration": 3.073,
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      "message": "ให้ครบ 3 แผ่นเลยนะ"
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      "delay": 3.073,
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      "message_id": 804,
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      "message_id": 824,
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      "message_id": 833,
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      "message_id": 834,
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      "message": "คุณแม่"
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      "message_id": 835,
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      "message_id": 836,
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      "message_id": 838,
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      "message_id": 839,
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      "message_id": 840,
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      "message_id": 841,
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      "message_id": 842,
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      "message": "เสร็จแล้วเดี๋ยวครูให้เบรก 5 นาที"
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      "message": "นะ เดี๋ยวมาขึ้นเรื่องใหม่นะคะ จะให้เบรก"
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      "message_id": 844,
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      "message": "ก่อนจะได้เคลียร์ของเก่า"
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      "typing_delay": 3.455,
      "typing_duration": 3.455,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1062,
      "agent_id": 4,
      "delay": 3.449,
      "onscreen_delay": 0,
      "typing_delay": 3.449,
      "typing_duration": 3.449,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1063,
      "agent_id": 5,
      "delay": 3.447,
      "onscreen_delay": 0,
      "typing_delay": 3.447,
      "typing_duration": 3.447,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1064,
      "agent_id": 2,
      "delay": 3.444,
      "onscreen_delay": 0,
      "typing_delay": 3.444,
      "typing_duration": 3.444,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1065,
      "agent_id": 3,
      "delay": 3.441,
      "onscreen_delay": 0,
      "typing_delay": 3.441,
      "typing_duration": 3.441,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1066,
      "agent_id": 4,
      "delay": 3.44,
      "onscreen_delay": 0,
      "typing_delay": 3.44,
      "typing_duration": 3.44,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1067,
      "agent_id": 5,
      "delay": 3.438,
      "onscreen_delay": 0,
      "typing_delay": 3.438,
      "typing_duration": 3.438,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1068,
      "agent_id": 2,
      "delay": 3.437,
      "onscreen_delay": 0,
      "typing_delay": 3.437,
      "typing_duration": 3.437,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1069,
      "agent_id": 3,
      "delay": 3.436,
      "onscreen_delay": 0,
      "typing_delay": 3.436,
      "typing_duration": 3.436,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1070,
      "agent_id": 4,
      "delay": 3.434,
      "onscreen_delay": 0,
      "typing_delay": 3.434,
      "typing_duration": 3.434,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1071,
      "agent_id": 5,
      "delay": 3.432,
      "onscreen_delay": 0,
      "typing_delay": 3.432,
      "typing_duration": 3.432,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1072,
      "agent_id": 2,
      "delay": 3.439,
      "onscreen_delay": 0,
      "typing_delay": 3.439,
      "typing_duration": 3.439,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1073,
      "agent_id": 3,
      "delay": 3.429,
      "onscreen_delay": 0,
      "typing_delay": 3.429,
      "typing_duration": 3.429,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1074,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.426,
      "wpm": 61,
      "message": "โอเค มาต่อนะคะ"
    },
    {
      "message_id": 1075,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.423,
      "wpm": 70,
      "message": "มาต่อนะคะ จะเป็น"
    },
    {
      "message_id": 1076,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.424,
      "wpm": 188,
      "message": "อีก 1 โครงสร้างนะ เราพูดถึง Stack กับ Queue"
    },
    {
      "message_id": 1077,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.428,
      "wpm": 96,
      "message": "ไปแล้วนะคะ Stack กับ q"
    },
    {
      "message_id": 1078,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.419,
      "wpm": 127,
      "message": "มันข้อมูลมันจะเรียงกันเป็นแถว"
    },
    {
      "message_id": 1079,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.418,
      "wpm": 202,
      "message": "อาจจะเป็นแนวตั้งหรือแนวนอนก็ได้ แต่ทีนี้ ถ้ามี"
    },
    {
      "message_id": 1080,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.408,
      "wpm": 207,
      "message": "ข้อมูลนะคะ ที่มันไม่ได้จัดเก็บเป็นแนวข้อมูลหรือ"
    },
    {
      "message_id": 1081,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.407,
      "wpm": 110,
      "message": "เชิงโครงสร้าง เป็นแนวตั้ง"
    },
    {
      "message_id": 1082,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.406,
      "wpm": 84,
      "message": "หรือแนวนอนนะคะ เป็น"
    },
    {
      "message_id": 1083,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.405,
      "wpm": 176,
      "message": "แนวตั้ง แนวนอน แต่ข้อมูลเรานะคะ มีลักษณะ"
    },
    {
      "message_id": 1084,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.404,
      "wpm": 123,
      "message": "การจัดเก็บเป็นลำดับชั้น แล้ว"
    },
    {
      "message_id": 1085,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.407,
      "wpm": 163,
      "message": "เราจะเก็บข้อมูลแบบไหน เราก้จะมีรูปแบบ"
    },
    {
      "message_id": 1086,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.403,
      "wpm": 106,
      "message": "นะคะ แบบแรกเราจะเรียกว่า"
    },
    {
      "message_id": 1087,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.4,
      "wpm": 154,
      "message": "\"โครงสร้างข้อมูลแบบต้นไม้\" แล้วก็มี"
    },
    {
      "message_id": 1088,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.398,
      "wpm": 119,
      "message": "อีก 1 แบบนะคะ ที่จัดเป็นแบบ"
    },
    {
      "message_id": 1089,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.398,
      "wpm": 93,
      "message": "เชื่อมโยงเครือข่ายได้"
    },
    {
      "message_id": 1090,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.396,
      "wpm": 106,
      "message": "นะคะ คือ กราฟกับต้นไม้นะ"
    },
    {
      "message_id": 1091,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.394,
      "wpm": 194,
      "message": "เราเรียนต้นไม้ก่อน เสร็จแล้วเราจะมาเรียนกราฟ"
    },
    {
      "message_id": 1092,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.394,
      "wpm": 146,
      "message": "ลักษณะของโครงสร้างข้อมูลแบบต้นไม้"
    },
    {
      "message_id": 1093,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.389,
      "wpm": 80,
      "message": "จะเหมือนกับ folder"
    },
    {
      "message_id": 1094,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.387,
      "wpm": 124,
      "message": "จะลักษณะเหมือนกับ Folder เลย"
    },
    {
      "message_id": 1095,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.386,
      "wpm": 248,
      "message": "มีตัวแม่ คลิกเข้าไปก็มีลูก ถูกไหมคะ คลิกเข้าไปก็มีตัวลูก"
    },
    {
      "message_id": 1096,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.381,
      "wpm": 164,
      "message": "เรื่อย ๆ นะ คราวนี้ในการจัดเก็บข้อมูล"
    },
    {
      "message_id": 1097,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.38,
      "wpm": 169,
      "message": "โครงสร้างข้อมูลแบบต้นไม้นะคะ เดี๋ยวเรา"
    },
    {
      "message_id": 1098,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.376,
      "wpm": 62,
      "message": "ลองจินตนาการนะ"
    },
    {
      "message_id": 1099,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.375,
      "wpm": 222,
      "message": "ต้นไม้นะคะ เดิม รากมันจะอยู่ด้านล่าง ถูกไหม ต้นไหม"
    },
    {
      "message_id": 1100,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.38,
      "wpm": 182,
      "message": "ที่เราปลูกต้นไม้มันจะอยู่ด้านล่าง เรากลับ"
    },
    {
      "message_id": 1101,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.375,
      "wpm": 147,
      "message": "ดึงแรก ขึ้นมาไว้ข้างบนนะคะ ลักษณะ"
    },
    {
      "message_id": 1102,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.375,
      "wpm": 124,
      "message": "แบบนี้ ตัวบนสุดก็คือ รูทโหนด"
    },
    {
      "message_id": 1103,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.372,
      "wpm": 178,
      "message": "ก็คือตัวพ่อแม่เลยน่ะ คือ รูต ถ้าเทียบกับ"
    },
    {
      "message_id": 1104,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.37,
      "wpm": 165,
      "message": "บรรพรุต ทุกคนนึกภาพโครงสร้างบรรพบุรุษ"
    },
    {
      "message_id": 1105,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.369,
      "wpm": 134,
      "message": "ที่อยู่ในบ้านเราได้นะ เราจะมีบ"
    },
    {
      "message_id": 1106,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.368,
      "wpm": 129,
      "message": "ตั้งต้นแล้วก็มีลูกหลายแตกแขนง"
    },
    {
      "message_id": 1107,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.367,
      "wpm": 236,
      "message": "มาเรื่อย ๆ นะคะ ลักษณะแบบเดียวกัน บนสุด คือ บรรพบุรุษ"
    },
    {
      "message_id": 1108,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.367,
      "wpm": 174,
      "message": "โหนดคือต้นกำเนิดเลย แต่รูตโหนดเรามีอยู่"
    },
    {
      "message_id": 1109,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.364,
      "wpm": 134,
      "message": "แค่ 1 โหนดเท่านั้นนะคะ ตัววงกล"
    },
    {
      "message_id": 1110,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.371,
      "wpm": 196,
      "message": "จะเรียกว่า \"โหนด\" ตัวกลม ๆ จะเรียกว่า \"โหนด\""
    },
    {
      "message_id": 1111,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.362,
      "wpm": 54,
      "message": "เสร็จแล้วนี่"
    },
    {
      "message_id": 1112,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.36,
      "wpm": 165,
      "message": "นี่คือบรรพบุรุษถูกหรือเปล่า บรรพบุรุษ"
    },
    {
      "message_id": 1113,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.358,
      "wpm": 138,
      "message": "นี่ ก็มีลูก เห็นไหมคะ บรรพบุรุษ"
    },
    {
      "message_id": 1114,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.358,
      "wpm": 85,
      "message": "ก็มีลูก ลูกก็มีหลาน"
    },
    {
      "message_id": 1115,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.357,
      "wpm": 116,
      "message": "ออกมาใช่ไหมคะ กลุ่มนี้ คือ"
    },
    {
      "message_id": 1116,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.353,
      "wpm": 112,
      "message": "พี่น้องนะ คือพี่น้องที่มี"
    },
    {
      "message_id": 1117,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.354,
      "wpm": 49,
      "message": "พ่อเดียวกัน"
    },
    {
      "message_id": 1118,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.351,
      "wpm": 143,
      "message": "กลุ่มนี้นะคะ ด้านซ้ายกับด้านหขวา"
    },
    {
      "message_id": 1119,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.35,
      "wpm": 170,
      "message": "เป็นลูกพี่ลูกน้อง ใช่ไหม ลูกพี่ลูกน้อง"
    },
    {
      "message_id": 1120,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.349,
      "wpm": 112,
      "message": "อันนี้คือพ่อเรา อันนี้..."
    },
    {
      "message_id": 1121,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.35,
      "wpm": 85,
      "message": "คือลูกพี่ลูกน้องเรา"
    },
    {
      "message_id": 1122,
      "agent_id": 4,
      "delay": 0.146,
      "onscreen_delay": 0,
      "typing_delay": 0.146,
      "typing_duration": 3.346,
      "wpm": 18,
      "message": "โอเค"
    },
    {
      "message_id": 1123,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.346,
      "wpm": 94,
      "message": "ตัวที่อยู่ล่างสุดนะคะ"
    },
    {
      "message_id": 1124,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.345,
      "wpm": 166,
      "message": "ตัวที่อยู่ล่างสุด เราจะมีชื่อเรียกว่า"
    },
    {
      "message_id": 1125,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.34,
      "wpm": 67,
      "message": "ลิสต์โหนด ก็คือ"
    },
    {
      "message_id": 1126,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.338,
      "wpm": 139,
      "message": "เราเป็นรุ่นยังไม่มีใครต่อจากเรา"
    },
    {
      "message_id": 1127,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.349,
      "wpm": 193,
      "message": "เรายังไม่ได้แต่งงานถูกไหมคะ เราจะเปรียบเป็น"
    },
    {
      "message_id": 1128,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.336,
      "wpm": 81,
      "message": "ลีฟโหนดของตระกูลนะ"
    },
    {
      "message_id": 1129,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.35,
      "wpm": 152,
      "message": "เป็นคนล่างสุด เป็นคนชั้นสุดท้าย ล่"
    },
    {
      "message_id": 1130,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.335,
      "wpm": 58,
      "message": "ของตระกูลนะคะ"
    },
    {
      "message_id": 1131,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.333,
      "wpm": 162,
      "message": "เราจะเห็นว่าลักษณะของโครงสร้างข้อมูล"
    },
    {
      "message_id": 1132,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.337,
      "wpm": 243,
      "message": "แบบนี้เราเห็นเป็นลำดับชั้นถูกไหมคะ อันนี้เป็นชั้นที่ 1"
    },
    {
      "message_id": 1133,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.331,
      "wpm": 158,
      "message": "ชั้นที่ 2 ชั้นที่ 3 ไล่ลงมาเรื่อย ๆ"
    },
    {
      "message_id": 1134,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.33,
      "wpm": 41,
      "message": "นะคะ โอเค"
    },
    {
      "message_id": 1135,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.328,
      "wpm": 86,
      "message": "ตัวบนสุด เรียกว่า \""
    },
    {
      "message_id": 1136,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.327,
      "wpm": 63,
      "message": "root node root"
    },
    {
      "message_id": 1137,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.326,
      "wpm": 108,
      "message": "คือ root node คือโหนดแม่"
    },
    {
      "message_id": 1138,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.326,
      "wpm": 99,
      "message": "ตัวล่างสุดเรียกว่า \"le"
    },
    {
      "message_id": 1139,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.324,
      "wpm": 171,
      "message": "นะคะ คือ ลีฟโหนด คือ ตัวสุดท้าย จะเห็น"
    },
    {
      "message_id": 1140,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.323,
      "wpm": 117,
      "message": "ว่าลีฟโหนด มี 7 มี 9 มี 15"
    },
    {
      "message_id": 1141,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.322,
      "wpm": 176,
      "message": "มี 45 แล้วก็ 77 พวกนี้ที่อยู่ล่างสุดนี่"
    },
    {
      "message_id": 1142,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.321,
      "wpm": 140,
      "message": "เรียกว่า \"left node\" ทั้งหมดเลย"
    },
    {
      "message_id": 1143,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.32,
      "wpm": 127,
      "message": "ข้างบน ข้างบนเลข 7 คือ พ่อนะ"
    },
    {
      "message_id": 1144,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.318,
      "wpm": 136,
      "message": "แม่นะคะ เราเรียกพ่อนะ พ่อของ 7"
    },
    {
      "message_id": 1145,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.317,
      "wpm": 113,
      "message": "คือ 13 ลูกของ 13 คือ 7, 9"
    },
    {
      "message_id": 1146,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.316,
      "wpm": 113,
      "message": "15 นะคะ พ่อของ 13 คืออะไร"
    },
    {
      "message_id": 1147,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.314,
      "wpm": 32,
      "message": "23 โอเค"
    },
    {
      "message_id": 1148,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.309,
      "wpm": 136,
      "message": "คราวนี้ จากตรงนี้นะคะ เราดูการ"
    },
    {
      "message_id": 1149,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.309,
      "wpm": 168,
      "message": "เรียกชื่อ หรือว่าลำดับของการเรียกชื่อ"
    },
    {
      "message_id": 1150,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.31,
      "wpm": 150,
      "message": "โหลด 23 มันอยู่บนสุดเราจะเรียกว่า"
    },
    {
      "message_id": 1151,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.307,
      "wpm": 64,
      "message": "มันคือ รูตโหนด"
    },
    {
      "message_id": 1152,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.305,
      "wpm": 123,
      "message": "ตัวนี้นะคะ โหนดที่อยู่บนสุด"
    },
    {
      "message_id": 1153,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.304,
      "wpm": 68,
      "message": "ก็คือ root node"
    },
    {
      "message_id": 1154,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.3,
      "wpm": 45,
      "message": "ตัวนี้นะคะ"
    },
    {
      "message_id": 1155,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.299,
      "wpm": 141,
      "message": "นะคะ เพราะว่ามันคือโหนดแรกสุดนะ"
    },
    {
      "message_id": 1156,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.299,
      "wpm": 73,
      "message": "ถัดมาโหนด 23 นี่"
    },
    {
      "message_id": 1157,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.296,
      "wpm": 137,
      "message": "เชื่อมไปยังโหนด 13 กับ 54 นะคะ"
    },
    {
      "message_id": 1158,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.295,
      "wpm": 118,
      "message": "มันเป็นพ่อของ 13 กับ 54 นะ"
    },
    {
      "message_id": 1159,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.293,
      "wpm": 105,
      "message": "มันเป็นพ่อของ 13 กับ 54"
    },
    {
      "message_id": 1160,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.291,
      "wpm": 87,
      "message": "เสร็จแล้ว 13 กับ 54"
    },
    {
      "message_id": 1161,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.304,
      "wpm": 109,
      "message": "นี่เป็นลูก เป็นลูกของ 23"
    },
    {
      "message_id": 1162,
      "agent_id": 4,
      "delay": 0.089,
      "onscreen_delay": 0,
      "typing_delay": 0.089,
      "typing_duration": 3.29,
      "wpm": 18,
      "message": "นะคะ"
    },
    {
      "message_id": 1163,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.292,
      "wpm": 128,
      "message": "7 9 15 โหนด 7 โหนด 9 โหนด 15"
    },
    {
      "message_id": 1164,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.287,
      "wpm": 78,
      "message": "เป็นลูกของโหนด 13"
    },
    {
      "message_id": 1165,
      "agent_id": 3,
      "delay": 3.296,
      "onscreen_delay": 0,
      "typing_delay": 3.296,
      "typing_duration": 3.296,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1166,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.286,
      "wpm": 96,
      "message": "ลิฟโหนดคือโหนดล่างสุด"
    },
    {
      "message_id": 1167,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.284,
      "wpm": 210,
      "message": "ของต้นไม้นะ โหนดที่อยู่ด้านล่างสุดของแต่ละกิ่ง"
    },
    {
      "message_id": 1168,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.283,
      "wpm": 233,
      "message": "ของต้นไม้ไม่มีอะไรต่อลงไปอีกแล้ว เราเรียกตัวนั้นว่า"
    },
    {
      "message_id": 1169,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.287,
      "wpm": 64,
      "message": "leaf node นะคะ"
    },
    {
      "message_id": 1170,
      "agent_id": 4,
      "delay": 3.279,
      "onscreen_delay": 0,
      "typing_delay": 3.279,
      "typing_duration": 3.279,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1171,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.277,
      "wpm": 142,
      "message": "เห็นไหม เริ่มต้น รูตโหนด คือ 23"
    },
    {
      "message_id": 1172,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.277,
      "wpm": 137,
      "message": "นะคะ คราวนี้ระดับของโหนด ก็คือ"
    },
    {
      "message_id": 1173,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.275,
      "wpm": 197,
      "message": "ลำดับชั้นของโหนดน่ะ เราเริ่มที่ลำดับชั้นของ"
    },
    {
      "message_id": 1174,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.278,
      "wpm": 142,
      "message": "นะคะ ลำดับชั้นของต้นไม้นะคะ เรา"
    },
    {
      "message_id": 1175,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.276,
      "wpm": 201,
      "message": "เราเริ่มต้นที่ 0 เพราะฉะนั้น ตัวบนสุด จะอยู่"
    },
    {
      "message_id": 1176,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.271,
      "wpm": 83,
      "message": "ระดับ 0 นะคะ 15..."
    },
    {
      "message_id": 1177,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.271,
      "wpm": 101,
      "message": "3 กับ 54 จะอยู่ระดับ 1"
    },
    {
      "message_id": 1178,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.269,
      "wpm": 142,
      "message": "ระดับ 2 ระดับ 3 ไล่ลงมาเรื่อย ๆ"
    },
    {
      "message_id": 1179,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.268,
      "wpm": 151,
      "message": "โหนดพ่อ พ่อก็คืออยู่สูงกว่าตัวเอง"
    },
    {
      "message_id": 1180,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.27,
      "wpm": 156,
      "message": "เห็นไหม ลูกก็คือ ณ โหนดที่กล่าวถึง"
    },
    {
      "message_id": 1181,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.265,
      "wpm": 179,
      "message": "พ่อก็คืออยู่ระดับสูงขึ้นไป ลูกก็คืออญุ่"
    },
    {
      "message_id": 1182,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.264,
      "wpm": 101,
      "message": "1 ชั้นนะคะ โหนดพี่น้อง"
    },
    {
      "message_id": 1183,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.262,
      "wpm": 120,
      "message": "จะเป็นพี่น้องกันได้ต้องพ่อ"
    },
    {
      "message_id": 1184,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.26,
      "wpm": 78,
      "message": "เดียวกัน 7, 9, 15"
    },
    {
      "message_id": 1185,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.256,
      "wpm": 198,
      "message": "เพราะมีพ่อเดียวกันถูกไหม เพราะมีพ่อเดียวกัน"
    },
    {
      "message_id": 1186,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.255,
      "wpm": 60,
      "message": "แต่ 46 กับ 77"
    },
    {
      "message_id": 1187,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.253,
      "wpm": 166,
      "message": "ก็เป็นพี่น้องกันถูกไหมคะ พ่อเดียวกัน"
    },
    {
      "message_id": 1188,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.252,
      "wpm": 240,
      "message": "เป็นลูกพี่ลูกน้องกันนะ เป็นญาติกัน เป็นลูกพี่ลูกน้อง"
    },
    {
      "message_id": 1189,
      "agent_id": 3,
      "delay": 0.26,
      "onscreen_delay": 0,
      "typing_delay": 0.26,
      "typing_duration": 3.249,
      "wpm": 14,
      "message": "กัน"
    },
    {
      "message_id": 1190,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.247,
      "wpm": 111,
      "message": "ลีฟโหนด ก็คือโหนดล่างสุด"
    },
    {
      "message_id": 1191,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.265,
      "wpm": 248,
      "message": "ไม่มีอะไรทิ่มลงไปแล้ว ไม่มีอะไรแตกออกมาอีกแล้ว โหนดนี้"
    },
    {
      "message_id": 1192,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.25,
      "wpm": 180,
      "message": "ไม่มีอะไรแตกออกมาอีกแล้ว มันสุดท้ายแล้ว"
    },
    {
      "message_id": 1193,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.244,
      "wpm": 106,
      "message": "ส่วน ดีกรี ดีกรีคือจำนว"
    },
    {
      "message_id": 1194,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.25,
      "wpm": 129,
      "message": "ลูกทั้งหมดของโหนดที่กล่าวถึง"
    },
    {
      "message_id": 1195,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.241,
      "wpm": 139,
      "message": "เช่น ดีกรีของ 46 คืออะไร คือ 1"
    },
    {
      "message_id": 1196,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.24,
      "wpm": 153,
      "message": "ดีกรีคือจำนวนลูก ดีกรีคือจำนวนลุก"
    },
    {
      "message_id": 1197,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.238,
      "wpm": 88,
      "message": "นะคะ 46 มีลูกอยู่ 1"
    },
    {
      "message_id": 1198,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.24,
      "wpm": 79,
      "message": "13 มีลูกอยู่ 3 47"
    },
    {
      "message_id": 1199,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.237,
      "wpm": 74,
      "message": "มีลูกไหมคะ ไม่มี"
    },
    {
      "message_id": 1200,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.235,
      "wpm": 162,
      "message": "77 มีลูกไหม ไม่มี เพราะฉะนั้น ดีกรี"
    },
    {
      "message_id": 1201,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.232,
      "wpm": 102,
      "message": "มีค่าเป็นอะไรคะ เป็น 0"
    },
    {
      "message_id": 1202,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.231,
      "wpm": 102,
      "message": "มีกระดาษไหม หยิบกระดาษ"
    },
    {
      "message_id": 1203,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.23,
      "wpm": 51,
      "message": "ให้ครูหน่อย"
    },
    {
      "message_id": 1204,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.228,
      "wpm": 79,
      "message": "ครูมีรูป ครูมีรูป"
    },
    {
      "message_id": 1205,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.226,
      "wpm": 191,
      "message": "นี้นะคะ เขียนด้านหลังกระดาษที่ครูให้ไปก็ไ"
    },
    {
      "message_id": 1206,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 102,
      "message": "ตอบให้ครูหน่อย ... นี่"
    },
    {
      "message_id": 1207,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.224,
      "wpm": 102,
      "message": "ตอบอะไรเอ่ย วาดรูปก่อน"
    },
    {
      "message_id": 1208,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.223,
      "wpm": 116,
      "message": "นะ แล้วก็ตอบว่าข้อ 1 โหนด"
    },
    {
      "message_id": 1209,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.222,
      "wpm": 144,
      "message": "คืออะไร ข้อ 2 ข้อ 3 ข้อ 4 ข้อ 5"
    },
    {
      "message_id": 1210,
      "agent_id": 4,
      "delay": 3.221,
      "onscreen_delay": 0,
      "typing_delay": 3.221,
      "typing_duration": 3.221,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1211,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.228,
      "wpm": 172,
      "message": "ใครมีสมุด ทำลงสมุดนะคะ วาดรูปด้านซ้าย"
    },
    {
      "message_id": 1212,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.219,
      "wpm": 121,
      "message": "ก่อน แล้วก็เขียนตอบด้านขวา"
    },
    {
      "message_id": 1213,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.218,
      "wpm": 89,
      "message": "ลอกโจทย์ด้วยนะ เช่น"
    },
    {
      "message_id": 1214,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.22,
      "wpm": 130,
      "message": "ระดับของโหนด 30 คือ... ตอบมา"
    },
    {
      "message_id": 1215,
      "agent_id": 5,
      "delay": 3.217,
      "onscreen_delay": 0,
      "typing_delay": 3.217,
      "typing_duration": 3.217,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1216,
      "agent_id": 2,
      "delay": 3.216,
      "onscreen_delay": 0,
      "typing_delay": 3.216,
      "typing_duration": 3.216,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1217,
      "agent_id": 3,
      "delay": 3.214,
      "onscreen_delay": 0,
      "typing_delay": 3.214,
      "typing_duration": 3.214,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1218,
      "agent_id": 4,
      "delay": 3.212,
      "onscreen_delay": 0,
      "typing_delay": 3.212,
      "typing_duration": 3.212,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1219,
      "agent_id": 5,
      "delay": 3.207,
      "onscreen_delay": 0,
      "typing_delay": 3.207,
      "typing_duration": 3.207,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1220,
      "agent_id": 2,
      "delay": 3.205,
      "onscreen_delay": 0,
      "typing_delay": 3.205,
      "typing_duration": 3.205,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1221,
      "agent_id": 3,
      "delay": 3.204,
      "onscreen_delay": 0,
      "typing_delay": 3.204,
      "typing_duration": 3.204,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1222,
      "agent_id": 4,
      "delay": 3.203,
      "onscreen_delay": 0,
      "typing_delay": 3.203,
      "typing_duration": 3.203,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1223,
      "agent_id": 5,
      "delay": 3.2,
      "onscreen_delay": 0,
      "typing_delay": 3.2,
      "typing_duration": 3.2,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1224,
      "agent_id": 2,
      "delay": 3.2,
      "onscreen_delay": 0,
      "typing_delay": 3.2,
      "typing_duration": 3.2,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1225,
      "agent_id": 3,
      "delay": 3.182,
      "onscreen_delay": 0,
      "typing_delay": 3.182,
      "typing_duration": 3.182,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1226,
      "agent_id": 4,
      "delay": 3.181,
      "onscreen_delay": 0,
      "typing_delay": 3.181,
      "typing_duration": 3.181,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1227,
      "agent_id": 5,
      "delay": 3.182,
      "onscreen_delay": 0,
      "typing_delay": 3.182,
      "typing_duration": 3.182,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1228,
      "agent_id": 2,
      "delay": 3.177,
      "onscreen_delay": 0,
      "typing_delay": 3.177,
      "typing_duration": 3.177,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1229,
      "agent_id": 3,
      "delay": 3.175,
      "onscreen_delay": 0,
      "typing_delay": 3.175,
      "typing_duration": 3.175,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1230,
      "agent_id": 4,
      "delay": 3.173,
      "onscreen_delay": 0,
      "typing_delay": 3.173,
      "typing_duration": 3.173,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1231,
      "agent_id": 5,
      "delay": 3.171,
      "onscreen_delay": 0,
      "typing_delay": 3.171,
      "typing_duration": 3.171,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1232,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.17,
      "wpm": 151,
      "message": "อันนี้ครูก๊อป(ปี้) ก๊อปฯคำอธิบาย"
    },
    {
      "message_id": 1233,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.168,
      "wpm": 156,
      "message": "มาให้นะคะ จะได้เห็นด้วย root node"
    },
    {
      "message_id": 1234,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.168,
      "wpm": 128,
      "message": "คืออะไร ระดับของโหนดคืออะไร"
    },
    {
      "message_id": 1235,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.165,
      "wpm": 57,
      "message": "ดีกรีคืออะไร"
    },
    {
      "message_id": 1236,
      "agent_id": 2,
      "delay": 3.163,
      "onscreen_delay": 0,
      "typing_delay": 3.163,
      "typing_duration": 3.163,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1237,
      "agent_id": 3,
      "delay": 3.161,
      "onscreen_delay": 0,
      "typing_delay": 3.161,
      "typing_duration": 3.161,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1238,
      "agent_id": 4,
      "delay": 3.156,
      "onscreen_delay": 0,
      "typing_delay": 3.156,
      "typing_duration": 3.156,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1239,
      "agent_id": 5,
      "delay": 3.155,
      "onscreen_delay": 0,
      "typing_delay": 3.155,
      "typing_duration": 3.155,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1240,
      "agent_id": 2,
      "delay": 3.155,
      "onscreen_delay": 0,
      "typing_delay": 3.155,
      "typing_duration": 3.155,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1241,
      "agent_id": 3,
      "delay": 3.153,
      "onscreen_delay": 0,
      "typing_delay": 3.153,
      "typing_duration": 3.153,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1242,
      "agent_id": 4,
      "delay": 3.151,
      "onscreen_delay": 0,
      "typing_delay": 3.151,
      "typing_duration": 3.151,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1243,
      "agent_id": 5,
      "delay": 3.145,
      "onscreen_delay": 0,
      "typing_delay": 3.145,
      "typing_duration": 3.145,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1244,
      "agent_id": 2,
      "delay": 3.144,
      "onscreen_delay": 0,
      "typing_delay": 3.144,
      "typing_duration": 3.144,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1245,
      "agent_id": 3,
      "delay": 3.143,
      "onscreen_delay": 0,
      "typing_delay": 3.143,
      "typing_duration": 3.143,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1246,
      "agent_id": 4,
      "delay": 3.14,
      "onscreen_delay": 0,
      "typing_delay": 3.14,
      "typing_duration": 3.14,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1247,
      "agent_id": 5,
      "delay": 3.137,
      "onscreen_delay": 0,
      "typing_delay": 3.137,
      "typing_duration": 3.137,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1248,
      "agent_id": 2,
      "delay": 3.136,
      "onscreen_delay": 0,
      "typing_delay": 3.136,
      "typing_duration": 3.136,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1249,
      "agent_id": 3,
      "delay": 3.134,
      "onscreen_delay": 0,
      "typing_delay": 3.134,
      "typing_duration": 3.134,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1250,
      "agent_id": 4,
      "delay": 3.131,
      "onscreen_delay": 0,
      "typing_delay": 3.131,
      "typing_duration": 3.131,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1251,
      "agent_id": 5,
      "delay": 3.13,
      "onscreen_delay": 0,
      "typing_delay": 3.13,
      "typing_duration": 3.13,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1252,
      "agent_id": 2,
      "delay": 3.129,
      "onscreen_delay": 0,
      "typing_delay": 3.129,
      "typing_duration": 3.129,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1253,
      "agent_id": 3,
      "delay": 3.126,
      "onscreen_delay": 0,
      "typing_delay": 3.126,
      "typing_duration": 3.126,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1254,
      "agent_id": 4,
      "delay": 3.124,
      "onscreen_delay": 0,
      "typing_delay": 3.124,
      "typing_duration": 3.124,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1255,
      "agent_id": 5,
      "delay": 3.118,
      "onscreen_delay": 0,
      "typing_delay": 3.118,
      "typing_duration": 3.118,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1256,
      "agent_id": 2,
      "delay": 3.117,
      "onscreen_delay": 0,
      "typing_delay": 3.117,
      "typing_duration": 3.117,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1257,
      "agent_id": 3,
      "delay": 3.111,
      "onscreen_delay": 0,
      "typing_delay": 3.111,
      "typing_duration": 3.111,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1258,
      "agent_id": 4,
      "delay": 3.107,
      "onscreen_delay": 0,
      "typing_delay": 3.107,
      "typing_duration": 3.107,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1259,
      "agent_id": 5,
      "delay": 3.102,
      "onscreen_delay": 0,
      "typing_delay": 3.102,
      "typing_duration": 3.102,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1260,
      "agent_id": 2,
      "delay": 3.098,
      "onscreen_delay": 0,
      "typing_delay": 3.098,
      "typing_duration": 3.098,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1261,
      "agent_id": 3,
      "delay": 3.095,
      "onscreen_delay": 0,
      "typing_delay": 3.095,
      "typing_duration": 3.095,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1262,
      "agent_id": 4,
      "delay": 3.095,
      "onscreen_delay": 0,
      "typing_delay": 3.095,
      "typing_duration": 3.095,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1263,
      "agent_id": 5,
      "delay": 3.09,
      "onscreen_delay": 0,
      "typing_delay": 3.09,
      "typing_duration": 3.09,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1264,
      "agent_id": 2,
      "delay": 3.088,
      "onscreen_delay": 0,
      "typing_delay": 3.088,
      "typing_duration": 3.088,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1265,
      "agent_id": 3,
      "delay": 3.086,
      "onscreen_delay": 0,
      "typing_delay": 3.086,
      "typing_duration": 3.086,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1266,
      "agent_id": 4,
      "delay": 3.084,
      "onscreen_delay": 0,
      "typing_delay": 3.084,
      "typing_duration": 3.084,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1267,
      "agent_id": 5,
      "delay": 3.083,
      "onscreen_delay": 0,
      "typing_delay": 3.083,
      "typing_duration": 3.083,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1268,
      "agent_id": 2,
      "delay": 3.08,
      "onscreen_delay": 0,
      "typing_delay": 3.08,
      "typing_duration": 3.08,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1269,
      "agent_id": 3,
      "delay": 3.078,
      "onscreen_delay": 0,
      "typing_delay": 3.078,
      "typing_duration": 3.078,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1270,
      "agent_id": 4,
      "delay": 3.077,
      "onscreen_delay": 0,
      "typing_delay": 3.077,
      "typing_duration": 3.077,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1271,
      "agent_id": 5,
      "delay": 3.075,
      "onscreen_delay": 0,
      "typing_delay": 3.075,
      "typing_duration": 3.075,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1272,
      "agent_id": 2,
      "delay": 3.074,
      "onscreen_delay": 0,
      "typing_delay": 3.074,
      "typing_duration": 3.074,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1273,
      "agent_id": 3,
      "delay": 3.072,
      "onscreen_delay": 0,
      "typing_delay": 3.072,
      "typing_duration": 3.072,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1274,
      "agent_id": 4,
      "delay": 3.07,
      "onscreen_delay": 0,
      "typing_delay": 3.07,
      "typing_duration": 3.07,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1275,
      "agent_id": 5,
      "delay": 3.068,
      "onscreen_delay": 0,
      "typing_delay": 3.068,
      "typing_duration": 3.068,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1276,
      "agent_id": 2,
      "delay": 3.066,
      "onscreen_delay": 0,
      "typing_delay": 3.066,
      "typing_duration": 3.066,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1277,
      "agent_id": 3,
      "delay": 3.064,
      "onscreen_delay": 0,
      "typing_delay": 3.064,
      "typing_duration": 3.064,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1278,
      "agent_id": 4,
      "delay": 3.061,
      "onscreen_delay": 0,
      "typing_delay": 3.061,
      "typing_duration": 3.061,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1279,
      "agent_id": 5,
      "delay": 3.059,
      "onscreen_delay": 0,
      "typing_delay": 3.059,
      "typing_duration": 3.059,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1280,
      "agent_id": 2,
      "delay": 3.057,
      "onscreen_delay": 0,
      "typing_delay": 3.057,
      "typing_duration": 3.057,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1281,
      "agent_id": 3,
      "delay": 3.054,
      "onscreen_delay": 0,
      "typing_delay": 3.054,
      "typing_duration": 3.054,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1282,
      "agent_id": 4,
      "delay": 3.054,
      "onscreen_delay": 0,
      "typing_delay": 3.054,
      "typing_duration": 3.054,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1283,
      "agent_id": 5,
      "delay": 3.05,
      "onscreen_delay": 0,
      "typing_delay": 3.05,
      "typing_duration": 3.05,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1284,
      "agent_id": 2,
      "delay": 3.048,
      "onscreen_delay": 0,
      "typing_delay": 3.048,
      "typing_duration": 3.048,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1285,
      "agent_id": 3,
      "delay": 3.046,
      "onscreen_delay": 0,
      "typing_delay": 3.046,
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      "onscreen_delay": 0,
      "typing_delay": 3.75,
      "typing_duration": 3.75,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1462,
      "agent_id": 4,
      "delay": 3.748,
      "onscreen_delay": 0,
      "typing_delay": 3.748,
      "typing_duration": 3.748,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1463,
      "agent_id": 5,
      "delay": 3.746,
      "onscreen_delay": 0,
      "typing_delay": 3.746,
      "typing_duration": 3.746,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1464,
      "agent_id": 2,
      "delay": 3.744,
      "onscreen_delay": 0,
      "typing_delay": 3.744,
      "typing_duration": 3.744,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1465,
      "agent_id": 3,
      "delay": 3.744,
      "onscreen_delay": 0,
      "typing_delay": 3.744,
      "typing_duration": 3.744,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1466,
      "agent_id": 4,
      "delay": 3.747,
      "onscreen_delay": 0,
      "typing_delay": 3.747,
      "typing_duration": 3.747,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1467,
      "agent_id": 5,
      "delay": 3.741,
      "onscreen_delay": 0,
      "typing_delay": 3.741,
      "typing_duration": 3.741,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1468,
      "agent_id": 2,
      "delay": 3.739,
      "onscreen_delay": 0,
      "typing_delay": 3.739,
      "typing_duration": 3.739,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1469,
      "agent_id": 3,
      "delay": 3.74,
      "onscreen_delay": 0,
      "typing_delay": 3.74,
      "typing_duration": 3.74,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1470,
      "agent_id": 4,
      "delay": 3.738,
      "onscreen_delay": 0,
      "typing_delay": 3.738,
      "typing_duration": 3.738,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1471,
      "agent_id": 5,
      "delay": 3.736,
      "onscreen_delay": 0,
      "typing_delay": 3.736,
      "typing_duration": 3.736,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1472,
      "agent_id": 2,
      "delay": 3.736,
      "onscreen_delay": 0,
      "typing_delay": 3.736,
      "typing_duration": 3.736,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1473,
      "agent_id": 3,
      "delay": 3.735,
      "onscreen_delay": 0,
      "typing_delay": 3.735,
      "typing_duration": 3.735,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1474,
      "agent_id": 4,
      "delay": 3.736,
      "onscreen_delay": 0,
      "typing_delay": 3.736,
      "typing_duration": 3.736,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1475,
      "agent_id": 5,
      "delay": 3.732,
      "onscreen_delay": 0,
      "typing_delay": 3.732,
      "typing_duration": 3.732,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1476,
      "agent_id": 2,
      "delay": 3.729,
      "onscreen_delay": 0,
      "typing_delay": 3.729,
      "typing_duration": 3.729,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1477,
      "agent_id": 3,
      "delay": 3.729,
      "onscreen_delay": 0,
      "typing_delay": 3.729,
      "typing_duration": 3.729,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1478,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.728,
      "wpm": 97,
      "message": "คราวนี้ดู ดูอีกทีหนึ่งนะ"
    },
    {
      "message_id": 1479,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.727,
      "wpm": 56,
      "message": "ดูอีกทีหนึ่งนะ"
    },
    {
      "message_id": 1480,
      "agent_id": 2,
      "delay": 0.087,
      "onscreen_delay": 0,
      "typing_delay": 0.087,
      "typing_duration": 3.725,
      "wpm": 40,
      "message": "ในโหนดนะคะ"
    },
    {
      "message_id": 1481,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.724,
      "wpm": 73,
      "message": "ที่ครูให้ เดี๋ยวนะ"
    },
    {
      "message_id": 1482,
      "agent_id": 4,
      "delay": 3.723,
      "onscreen_delay": 0,
      "typing_delay": 3.723,
      "typing_duration": 3.723,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1483,
      "agent_id": 5,
      "delay": 3.722,
      "onscreen_delay": 0,
      "typing_delay": 3.722,
      "typing_duration": 3.722,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1484,
      "agent_id": 2,
      "delay": 3.721,
      "onscreen_delay": 0,
      "typing_delay": 3.721,
      "typing_duration": 3.721,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1485,
      "agent_id": 3,
      "delay": 3.719,
      "onscreen_delay": 0,
      "typing_delay": 3.719,
      "typing_duration": 3.719,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1486,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.718,
      "wpm": 97,
      "message": "จากต้นไม่นะคะ ที่เราเห็น"
    },
    {
      "message_id": 1487,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.717,
      "wpm": 141,
      "message": "ต้นนี้นะ จากต้นไม่ต้นนี้ ที่เราเห็น"
    },
    {
      "message_id": 1488,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.715,
      "wpm": 73,
      "message": "1 ต้นนี่ ถ้าเราพูด"
    },
    {
      "message_id": 1489,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.714,
      "wpm": 57,
      "message": "ถึงพ่อนะคะ พ่อ"
    },
    {
      "message_id": 1490,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.713,
      "wpm": 105,
      "message": "แสดงว่าคนที่อยู่สูงกว่าเรา"
    },
    {
      "message_id": 1491,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.713,
      "wpm": 182,
      "message": "พ่อของเรานี่ แสดงว่าลำดับชั้นนี่จะอยู่สูงกว่า"
    },
    {
      "message_id": 1492,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.706,
      "wpm": 154,
      "message": "ถูกไหมคะ ลูกของเราจะต้องอยู่ต่ำกว่าเรา"
    },
    {
      "message_id": 1493,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.706,
      "wpm": 61,
      "message": "นะคะ  อย่างเช่น"
    },
    {
      "message_id": 1494,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.705,
      "wpm": 69,
      "message": "55 นะคะ ครูพูดถึง"
    },
    {
      "message_id": 1495,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.703,
      "wpm": 81,
      "message": "55 พ่อของ 55 คืออะไร"
    },
    {
      "message_id": 1496,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.703,
      "wpm": 117,
      "message": "พ่อก็อยู่ข้างบนถูกไหมคะ ก็คือ"
    },
    {
      "message_id": 1497,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.702,
      "wpm": 89,
      "message": "50 ถูกไหม อันนี้คือพ่อ"
    },
    {
      "message_id": 1498,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.7,
      "wpm": 101,
      "message": "55 คือ ลูกของ 50 ถูกไหมคะ"
    },
    {
      "message_id": 1499,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.699,
      "wpm": 93,
      "message": "ลูกของ 50 ถูกไหมคะ แล้ว"
    },
    {
      "message_id": 1500,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.699,
      "wpm": 77,
      "message": "ลูกของ 55 คืออะไรคะ"
    },
    {
      "message_id": 1501,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.698,
      "wpm": 101,
      "message": "52 อันนี้คือลุก เห็นไหมคะ"
    },
    {
      "message_id": 1502,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.696,
      "wpm": 65,
      "message": "เราพูดถึงโหนดนี้"
    },
    {
      "message_id": 1503,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.696,
      "wpm": 138,
      "message": "เราพูดถึงโหนด 55 พ่อของ 55 คืออะไร"
    },
    {
      "message_id": 1504,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.69,
      "wpm": 98,
      "message": "คือ 50 ลูกของ 55 คืออะไร"
    },
    {
      "message_id": 1505,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.689,
      "wpm": 49,
      "message": "52 เห็นไหมคะ"
    },
    {
      "message_id": 1506,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.688,
      "wpm": 98,
      "message": "มันอยู่ด้านล่างนี่คือลูก"
    },
    {
      "message_id": 1507,
      "agent_id": 5,
      "delay": 0.087,
      "onscreen_delay": 0,
      "typing_delay": 0.087,
      "typing_duration": 3.688,
      "wpm": 37,
      "message": "ถัดมา พ่อ"
    },
    {
      "message_id": 1508,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.685,
      "wpm": 183,
      "message": "ของ 70 แสดงว่ามันต้องอยู่ข้างบนใช่ไหม คืออะไร"
    },
    {
      "message_id": 1509,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.684,
      "wpm": 61,
      "message": "คือ 40 ใช่ไหมคะ"
    },
    {
      "message_id": 1510,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.685,
      "wpm": 65,
      "message": "พ่อของ 70 คือ 40"
    },
    {
      "message_id": 1511,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.682,
      "wpm": 86,
      "message": "แล้วลูกของ 70 คืออะไร"
    },
    {
      "message_id": 1512,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.681,
      "wpm": 90,
      "message": "พี่น้อง หมายถึงพี่น้อง"
    },
    {
      "message_id": 1513,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.68,
      "wpm": 90,
      "message": "พ่อเดียวกัน พี่น้องคือ"
    },
    {
      "message_id": 1514,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.679,
      "wpm": 163,
      "message": "พี่น้องพ่อเดียวกัน พี่น้องของ 20 คืออะไร"
    },
    {
      "message_id": 1515,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.678,
      "wpm": 126,
      "message": "70 เพราะอะไร เพราะมีพ่อเดียวกัน"
    },
    {
      "message_id": 1516,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.682,
      "wpm": 130,
      "message": "เดียวกันนี่ไง เพราะมีพ่อเดียวกัน"
    },
    {
      "message_id": 1517,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.675,
      "wpm": 69,
      "message": "ถึงเป็นพี่น้องกัน"
    },
    {
      "message_id": 1518,
      "agent_id": 4,
      "delay": 3.676,
      "onscreen_delay": 0,
      "typing_delay": 3.676,
      "typing_duration": 3.676,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1519,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.672,
      "wpm": 78,
      "message": "โจทย์ข้อแรก รูตโหนด"
    },
    {
      "message_id": 1520,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.671,
      "wpm": 74,
      "message": "รูตคืออะไรคะ ตัวบน"
    },
    {
      "message_id": 1521,
      "agent_id": 3,
      "delay": 0.671,
      "onscreen_delay": 0,
      "typing_delay": 0.671,
      "typing_duration": 3.672,
      "wpm": 12,
      "message": "สุด"
    },
    {
      "message_id": 1522,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.668,
      "wpm": 155,
      "message": "รูตคือตัวบนสุดใช่ไหมคะ ตัวบนสุดคืออะไร"
    },
    {
      "message_id": 1523,
      "agent_id": 5,
      "delay": 0.467,
      "onscreen_delay": 0,
      "typing_delay": 0.467,
      "typing_duration": 3.667,
      "wpm": 16,
      "message": "40 ถ"
    },
    {
      "message_id": 1524,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.665,
      "wpm": 82,
      "message": "ถูกไหมคะ บนสุดคือ 40"
    },
    {
      "message_id": 1525,
      "agent_id": 3,
      "delay": 3.664,
      "onscreen_delay": 0,
      "typing_delay": 3.664,
      "typing_duration": 3.664,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1526,
      "agent_id": 4,
      "delay": 3.663,
      "onscreen_delay": 0,
      "typing_delay": 3.663,
      "typing_duration": 3.663,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1527,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.662,
      "wpm": 94,
      "message": "พ่อของ 50 พ่อ แสดงว่าดู"
    },
    {
      "message_id": 1528,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.663,
      "wpm": 106,
      "message": "ข้างบนนะ พ่อของ 50 คืออะไร"
    },
    {
      "message_id": 1529,
      "agent_id": 3,
      "delay": 0.993,
      "onscreen_delay": 0,
      "typing_delay": 0.993,
      "typing_duration": 3.661,
      "wpm": 8,
      "message": "70"
    },
    {
      "message_id": 1530,
      "agent_id": 4,
      "delay": 0.458,
      "onscreen_delay": 0,
      "typing_delay": 0.458,
      "typing_duration": 3.658,
      "wpm": 16,
      "message": "นะคะ"
    },
    {
      "message_id": 1531,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.667,
      "wpm": 172,
      "message": "พ่อของ 50 ก็อยู่ด้านบน ถูกเปล่า อยู่ด้านบน"
    },
    {
      "message_id": 1532,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.654,
      "wpm": 144,
      "message": "ตัวเองน่ะ ตัวเองเชื่อมมาจากเส้นอะไร"
    },
    {
      "message_id": 1533,
      "agent_id": 3,
      "delay": 0.098,
      "onscreen_delay": 0,
      "typing_delay": 0.098,
      "typing_duration": 3.653,
      "wpm": 33,
      "message": "ก็คือ 70"
    },
    {
      "message_id": 1534,
      "agent_id": 4,
      "delay": 3.651,
      "onscreen_delay": 0,
      "typing_delay": 3.651,
      "typing_duration": 3.651,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1535,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.649,
      "wpm": 115,
      "message": "ถัดมา ลีฟโหนด คือ โหนดที่ไม่"
    },
    {
      "message_id": 1536,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.648,
      "wpm": 144,
      "message": "มีลูก ก็คือไม่มีอะไรต่อท้ายลงไปแล้ว"
    },
    {
      "message_id": 1537,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.647,
      "wpm": 181,
      "message": "โหนดที่ไม่มีอะไรต่อท้ายตัวเอง คือไม่มีลูกน่ะ"
    },
    {
      "message_id": 1538,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.644,
      "wpm": 140,
      "message": "มันสิ้นสุดที่ตัวเอง มันไม่มีอะไรไป"
    },
    {
      "message_id": 1539,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.644,
      "wpm": 173,
      "message": "ต่อท้ายแล้ว เพราะฉะนั้น ลีฟโหนดเรามีกี่ตัว"
    },
    {
      "message_id": 1540,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.656,
      "wpm": 70,
      "message": "3 ตัว ก็คืออะไรคะ"
    },
    {
      "message_id": 1541,
      "agent_id": 3,
      "delay": 0.213,
      "onscreen_delay": 0,
      "typing_delay": 0.213,
      "typing_duration": 3.643,
      "wpm": 25,
      "message": "30, 45"
    },
    {
      "message_id": 1542,
      "agent_id": 4,
      "delay": 0.212,
      "onscreen_delay": 0,
      "typing_delay": 0.212,
      "typing_duration": 3.642,
      "wpm": 25,
      "message": "แล้วก็"
    },
    {
      "message_id": 1543,
      "agent_id": 5,
      "delay": 0.973,
      "onscreen_delay": 0,
      "typing_delay": 0.973,
      "typing_duration": 3.64,
      "wpm": 8,
      "message": "52"
    },
    {
      "message_id": 1544,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.639,
      "wpm": 128,
      "message": "ก็คือตัวที่ไม่มีลูกน่ะ ไม่มีลูก"
    },
    {
      "message_id": 1545,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.638,
      "wpm": 120,
      "message": "นี่ ไม่มีลูก อันนี้ก็ไม่มีลูก"
    },
    {
      "message_id": 1546,
      "agent_id": 4,
      "delay": 3.636,
      "onscreen_delay": 0,
      "typing_delay": 3.636,
      "typing_duration": 3.636,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1547,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.632,
      "wpm": 54,
      "message": "ถัดมา พี่น้อง"
    },
    {
      "message_id": 1548,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.628,
      "wpm": 103,
      "message": "พูดถึงพี่น้องต้องพ่อเดียว"
    },
    {
      "message_id": 1549,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.628,
      "wpm": 112,
      "message": "กัน พี่น้องของ 45 คืออะไรคะ"
    },
    {
      "message_id": 1550,
      "agent_id": 4,
      "delay": 0.959,
      "onscreen_delay": 0,
      "typing_delay": 0.959,
      "typing_duration": 3.626,
      "wpm": 8,
      "message": "55"
    },
    {
      "message_id": 1551,
      "agent_id": 5,
      "delay": 0.025,
      "onscreen_delay": 0,
      "typing_delay": 0.025,
      "typing_duration": 3.625,
      "wpm": 37,
      "message": "เพราะอะไร"
    },
    {
      "message_id": 1552,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.623,
      "wpm": 66,
      "message": "เพราะพ่อเดียวกัน"
    },
    {
      "message_id": 1553,
      "agent_id": 3,
      "delay": 0.066,
      "onscreen_delay": 0,
      "typing_delay": 0.066,
      "typing_duration": 3.625,
      "wpm": 33,
      "message": "เดี๋ยวนะ"
    },
    {
      "message_id": 1554,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.621,
      "wpm": 79,
      "message": "นี่ไง พี่น้องของ 45"
    },
    {
      "message_id": 1555,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.621,
      "wpm": 157,
      "message": "ก็คือ 55 เพราะมันพ่อเดียวกันไง พ่อ คือ"
    },
    {
      "message_id": 1556,
      "agent_id": 2,
      "delay": 0.951,
      "onscreen_delay": 0,
      "typing_delay": 0.951,
      "typing_duration": 3.621,
      "wpm": 8,
      "message": "50"
    },
    {
      "message_id": 1557,
      "agent_id": 3,
      "delay": 0.117,
      "onscreen_delay": 0,
      "typing_delay": 0.117,
      "typing_duration": 3.617,
      "wpm": 29,
      "message": "ต่อนะคะ"
    },
    {
      "message_id": 1558,
      "agent_id": 4,
      "delay": 3.615,
      "onscreen_delay": 0,
      "typing_delay": 3.615,
      "typing_duration": 3.615,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1559,
      "agent_id": 5,
      "delay": 3.614,
      "onscreen_delay": 0,
      "typing_delay": 3.614,
      "typing_duration": 3.614,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1560,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.609,
      "wpm": 71,
      "message": "พี่น้องของ 50 นี่"
    },
    {
      "message_id": 1561,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.608,
      "wpm": 133,
      "message": "ดูสิ 50 มีพ่อคือ 40 ใช่หรือเปล่า"
    },
    {
      "message_id": 1562,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.606,
      "wpm": 100,
      "message": "มีพ่อคือ 70 มีพี่น้องไหม"
    },
    {
      "message_id": 1563,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.603,
      "wpm": 92,
      "message": "ไม่มี ไม่มีพี่น้องนะคะ"
    },
    {
      "message_id": 1564,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.602,
      "wpm": 100,
      "message": "เป็นลูกคนเดียว หรือขีด -"
    },
    {
      "message_id": 1565,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.601,
      "wpm": 129,
      "message": "ไม่มีพี่น้อง เป็นลูกคนเดียวนะคะ"
    },
    {
      "message_id": 1566,
      "agent_id": 4,
      "delay": 3.6,
      "onscreen_delay": 0,
      "typing_delay": 3.6,
      "typing_duration": 3.6,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1567,
      "agent_id": 5,
      "delay": 3.597,
      "onscreen_delay": 0,
      "typing_delay": 3.597,
      "typing_duration": 3.597,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1568,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.596,
      "wpm": 42,
      "message": "ถัดมาระดับ"
    },
    {
      "message_id": 1569,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.595,
      "wpm": 121,
      "message": "ของ 30 คืออะไร ระดับคืออะไรคะ"
    },
    {
      "message_id": 1570,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.594,
      "wpm": 58,
      "message": "ชั้น ลำดับชั้น"
    },
    {
      "message_id": 1571,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.591,
      "wpm": 146,
      "message": "จากรูตโหนด โดยเริ่มต้นที่ 0 ชั้นนี้"
    },
    {
      "message_id": 1572,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.59,
      "wpm": 163,
      "message": "มีระดับเป็น 0 ใช่ไหมคะ ชั้นนี้ระดับเป็น"
    },
    {
      "message_id": 1573,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.589,
      "wpm": 92,
      "message": "1 ชั้นถัดมาระดับเป็น 2"
    },
    {
      "message_id": 1574,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.588,
      "wpm": 63,
      "message": "แล้วก็เป็น 3 30"
    },
    {
      "message_id": 1575,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.586,
      "wpm": 92,
      "message": "อยู่ระดับไหนคะ ระดับ 2"
    },
    {
      "message_id": 1576,
      "agent_id": 2,
      "delay": 3.584,
      "onscreen_delay": 0,
      "typing_delay": 3.584,
      "typing_duration": 3.584,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1577,
      "agent_id": 3,
      "delay": 0.916,
      "onscreen_delay": 0,
      "typing_delay": 0.916,
      "typing_duration": 3.583,
      "wpm": 8,
      "message": "55"
    },
    {
      "message_id": 1578,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.582,
      "wpm": 142,
      "message": "ดีกรีคืออะไรคะ จำนวนลูก มีลูกกี่คน"
    },
    {
      "message_id": 1579,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.582,
      "wpm": 88,
      "message": "55 มีลูกกี่คน คนเดียว"
    },
    {
      "message_id": 1580,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.579,
      "wpm": 42,
      "message": "นะคะ นี่ไง"
    },
    {
      "message_id": 1581,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.578,
      "wpm": 126,
      "message": "55 มีลูกกี่คน มีลูกคนเดียวนะคะ"
    },
    {
      "message_id": 1582,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.576,
      "wpm": 134,
      "message": "เห็นไหมก็ตอบ 1 ดีกรีของ 55 คือ 1"
    },
    {
      "message_id": 1583,
      "agent_id": 5,
      "delay": 0.241,
      "onscreen_delay": 0,
      "typing_delay": 0.241,
      "typing_duration": 3.587,
      "wpm": 21,
      "message": "คือ 1"
    },
    {
      "message_id": 1584,
      "agent_id": 2,
      "delay": 3.573,
      "onscreen_delay": 0,
      "typing_delay": 3.573,
      "typing_duration": 3.573,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1585,
      "agent_id": 3,
      "delay": 3.576,
      "onscreen_delay": 0,
      "typing_delay": 3.576,
      "typing_duration": 3.576,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1586,
      "agent_id": 4,
      "delay": 3.568,
      "onscreen_delay": 0,
      "typing_delay": 3.568,
      "typing_duration": 3.568,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1587,
      "agent_id": 5,
      "delay": 3.567,
      "onscreen_delay": 0,
      "typing_delay": 3.567,
      "typing_duration": 3.567,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1588,
      "agent_id": 2,
      "delay": 3.565,
      "onscreen_delay": 0,
      "typing_delay": 3.565,
      "typing_duration": 3.565,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1589,
      "agent_id": 3,
      "delay": 3.562,
      "onscreen_delay": 0,
      "typing_delay": 3.562,
      "typing_duration": 3.562,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1590,
      "agent_id": 4,
      "delay": 3.56,
      "onscreen_delay": 0,
      "typing_delay": 3.56,
      "typing_duration": 3.56,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1591,
      "agent_id": 5,
      "delay": 3.56,
      "onscreen_delay": 0,
      "typing_delay": 3.56,
      "typing_duration": 3.56,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1592,
      "agent_id": 2,
      "delay": 3.552,
      "onscreen_delay": 0,
      "typing_delay": 3.552,
      "typing_duration": 3.552,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1593,
      "agent_id": 3,
      "delay": 3.55,
      "onscreen_delay": 0,
      "typing_delay": 3.55,
      "typing_duration": 3.55,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1594,
      "agent_id": 4,
      "delay": 3.549,
      "onscreen_delay": 0,
      "typing_delay": 3.549,
      "typing_duration": 3.549,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1595,
      "agent_id": 5,
      "delay": 3.547,
      "onscreen_delay": 0,
      "typing_delay": 3.547,
      "typing_duration": 3.547,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1596,
      "agent_id": 2,
      "delay": 3.545,
      "onscreen_delay": 0,
      "typing_delay": 3.545,
      "typing_duration": 3.545,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1597,
      "agent_id": 3,
      "delay": 3.543,
      "onscreen_delay": 0,
      "typing_delay": 3.543,
      "typing_duration": 3.543,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1598,
      "agent_id": 4,
      "delay": 3.541,
      "onscreen_delay": 0,
      "typing_delay": 3.541,
      "typing_duration": 3.541,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1599,
      "agent_id": 5,
      "delay": 3.54,
      "onscreen_delay": 0,
      "typing_delay": 3.54,
      "typing_duration": 3.54,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1600,
      "agent_id": 2,
      "delay": 3.539,
      "onscreen_delay": 0,
      "typing_delay": 3.539,
      "typing_duration": 3.539,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1601,
      "agent_id": 3,
      "delay": 3.536,
      "onscreen_delay": 0,
      "typing_delay": 3.536,
      "typing_duration": 3.536,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1602,
      "agent_id": 4,
      "delay": 3.534,
      "onscreen_delay": 0,
      "typing_delay": 3.534,
      "typing_duration": 3.534,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1603,
      "agent_id": 5,
      "delay": 3.532,
      "onscreen_delay": 0,
      "typing_delay": 3.532,
      "typing_duration": 3.532,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1604,
      "agent_id": 2,
      "delay": 3.531,
      "onscreen_delay": 0,
      "typing_delay": 3.531,
      "typing_duration": 3.531,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1605,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.529,
      "wpm": 68,
      "message": "ดูนะคะ ครูให้วาด"
    },
    {
      "message_id": 1606,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.528,
      "wpm": 72,
      "message": "ต้นไม่เครือญาตินะ"
    },
    {
      "message_id": 1607,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.533,
      "wpm": 140,
      "message": "สมชายเป็นต้นตระกูล สมชายอยู่บนสุด"
    },
    {
      "message_id": 1608,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.524,
      "wpm": 115,
      "message": "สมชายมีลูก 2 คน คือ A กับ B"
    },
    {
      "message_id": 1609,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.523,
      "wpm": 77,
      "message": "A มีลุก 1 คน ชือ c"
    },
    {
      "message_id": 1610,
      "agent_id": 4,
      "delay": 1.519,
      "onscreen_delay": 0,
      "typing_delay": 1.519,
      "typing_duration": 3.519,
      "wpm": 4,
      "message": "B"
    },
    {
      "message_id": 1611,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.515,
      "wpm": 102,
      "message": "มีลูดอีก 3 คน ชื่อ D E F"
    },
    {
      "message_id": 1612,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.511,
      "wpm": 107,
      "message": "และ F ก็มีลูก 1 คน ชื่อ Z"
    },
    {
      "message_id": 1613,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.513,
      "wpm": 107,
      "message": "วาดต้นไม้เครือญาติให้ครูห"
    },
    {
      "message_id": 1614,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.51,
      "wpm": 137,
      "message": "เราเริ่มต้นถูกไหมคะ ต้นตระกูลของ"
    },
    {
      "message_id": 1615,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.508,
      "wpm": 133,
      "message": "คือใคร คือ สมชาย เพราะทุกคนต้อง"
    },
    {
      "message_id": 1616,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.506,
      "wpm": 184,
      "message": "มีสมชายเป็นจุดเริ่มต้นนะคะ เป็นต้นตระกูลของ"
    },
    {
      "message_id": 1617,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.505,
      "wpm": 103,
      "message": "บ้านน้อย สมชายมีลุกกี่คน"
    },
    {
      "message_id": 1618,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.504,
      "wpm": 47,
      "message": "2 คน ใช่ไหม"
    },
    {
      "message_id": 1619,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.502,
      "wpm": 128,
      "message": "ช่วยครูวาดต่อหน่อย คือ A กับ B"
    },
    {
      "message_id": 1620,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.5,
      "wpm": 86,
      "message": "เราวาดต่อให้ครูหน่อย"
    },
    {
      "message_id": 1621,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.498,
      "wpm": 81,
      "message": "A มีลูก 1 คน ชื่อ C"
    },
    {
      "message_id": 1622,
      "agent_id": 4,
      "delay": 0.068,
      "onscreen_delay": 0,
      "typing_delay": 0.068,
      "typing_duration": 3.497,
      "wpm": 26,
      "message": "ชื่อ C"
    },
    {
      "message_id": 1623,
      "agent_id": 5,
      "delay": 3.495,
      "onscreen_delay": 0,
      "typing_delay": 3.495,
      "typing_duration": 3.495,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1624,
      "agent_id": 2,
      "delay": 3.494,
      "onscreen_delay": 0,
      "typing_delay": 3.494,
      "typing_duration": 3.494,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1625,
      "agent_id": 3,
      "delay": 3.49,
      "onscreen_delay": 0,
      "typing_delay": 3.49,
      "typing_duration": 3.49,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1626,
      "agent_id": 4,
      "delay": 3.489,
      "onscreen_delay": 0,
      "typing_delay": 3.489,
      "typing_duration": 3.489,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1627,
      "agent_id": 5,
      "delay": 3.487,
      "onscreen_delay": 0,
      "typing_delay": 3.487,
      "typing_duration": 3.487,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1628,
      "agent_id": 2,
      "delay": 3.485,
      "onscreen_delay": 0,
      "typing_delay": 3.485,
      "typing_duration": 3.485,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1629,
      "agent_id": 3,
      "delay": 3.484,
      "onscreen_delay": 0,
      "typing_delay": 3.484,
      "typing_duration": 3.484,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1630,
      "agent_id": 4,
      "delay": 3.483,
      "onscreen_delay": 0,
      "typing_delay": 3.483,
      "typing_duration": 3.483,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1631,
      "agent_id": 5,
      "delay": 3.484,
      "onscreen_delay": 0,
      "typing_delay": 3.484,
      "typing_duration": 3.484,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1632,
      "agent_id": 2,
      "delay": 3.481,
      "onscreen_delay": 0,
      "typing_delay": 3.481,
      "typing_duration": 3.481,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1633,
      "agent_id": 3,
      "delay": 3.48,
      "onscreen_delay": 0,
      "typing_delay": 3.48,
      "typing_duration": 3.48,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1634,
      "agent_id": 4,
      "delay": 3.479,
      "onscreen_delay": 0,
      "typing_delay": 3.479,
      "typing_duration": 3.479,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1635,
      "agent_id": 5,
      "delay": 3.478,
      "onscreen_delay": 0,
      "typing_delay": 3.478,
      "typing_duration": 3.478,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1636,
      "agent_id": 2,
      "delay": 3.477,
      "onscreen_delay": 0,
      "typing_delay": 3.477,
      "typing_duration": 3.477,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1637,
      "agent_id": 3,
      "delay": 3.477,
      "onscreen_delay": 0,
      "typing_delay": 3.477,
      "typing_duration": 3.477,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1638,
      "agent_id": 4,
      "delay": 3.474,
      "onscreen_delay": 0,
      "typing_delay": 3.474,
      "typing_duration": 3.474,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1639,
      "agent_id": 5,
      "delay": 3.472,
      "onscreen_delay": 0,
      "typing_delay": 3.472,
      "typing_duration": 3.472,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1640,
      "agent_id": 2,
      "delay": 3.466,
      "onscreen_delay": 0,
      "typing_delay": 3.466,
      "typing_duration": 3.466,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1641,
      "agent_id": 3,
      "delay": 3.465,
      "onscreen_delay": 0,
      "typing_delay": 3.465,
      "typing_duration": 3.465,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1642,
      "agent_id": 4,
      "delay": 3.457,
      "onscreen_delay": 0,
      "typing_delay": 3.457,
      "typing_duration": 3.457,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1643,
      "agent_id": 5,
      "delay": 3.454,
      "onscreen_delay": 0,
      "typing_delay": 3.454,
      "typing_duration": 3.454,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1644,
      "agent_id": 2,
      "delay": 3.451,
      "onscreen_delay": 0,
      "typing_delay": 3.451,
      "typing_duration": 3.451,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1645,
      "agent_id": 3,
      "delay": 3.45,
      "onscreen_delay": 0,
      "typing_delay": 3.45,
      "typing_duration": 3.45,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1646,
      "agent_id": 4,
      "delay": 3.448,
      "onscreen_delay": 0,
      "typing_delay": 3.448,
      "typing_duration": 3.448,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1647,
      "agent_id": 5,
      "delay": 3.446,
      "onscreen_delay": 0,
      "typing_delay": 3.446,
      "typing_duration": 3.446,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1648,
      "agent_id": 2,
      "delay": 3.446,
      "onscreen_delay": 0,
      "typing_delay": 3.446,
      "typing_duration": 3.446,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1649,
      "agent_id": 3,
      "delay": 3.443,
      "onscreen_delay": 0,
      "typing_delay": 3.443,
      "typing_duration": 3.443,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1650,
      "agent_id": 4,
      "delay": 3.441,
      "onscreen_delay": 0,
      "typing_delay": 3.441,
      "typing_duration": 3.441,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1651,
      "agent_id": 5,
      "delay": 3.439,
      "onscreen_delay": 0,
      "typing_delay": 3.439,
      "typing_duration": 3.439,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1652,
      "agent_id": 2,
      "delay": 3.437,
      "onscreen_delay": 0,
      "typing_delay": 3.437,
      "typing_duration": 3.437,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1653,
      "agent_id": 3,
      "delay": 3.435,
      "onscreen_delay": 0,
      "typing_delay": 3.435,
      "typing_duration": 3.435,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1654,
      "agent_id": 4,
      "delay": 0.099,
      "onscreen_delay": 0,
      "typing_delay": 0.099,
      "typing_duration": 3.433,
      "wpm": 22,
      "message": "สมชาย"
    },
    {
      "message_id": 1655,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.433,
      "wpm": 135,
      "message": "มีลูก 2 คน คือ A กับ B ใช่ไหมคะ"
    },
    {
      "message_id": 1656,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.432,
      "wpm": 87,
      "message": "A มีลูกกี่คน มีลูก 1"
    },
    {
      "message_id": 1657,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.44,
      "wpm": 148,
      "message": "คน ใช่ไหมคะ ก็ลากต่อจาก A ใช่ไหมคะ"
    },
    {
      "message_id": 1658,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.428,
      "wpm": 228,
      "message": "เพราะมันเป็นลูฏของ A น่ะ มาลากออกเป็นลูกคนอื่นไม่ได้"
    },
    {
      "message_id": 1659,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.427,
      "wpm": 153,
      "message": "เราก็วาดออกจาก A เพราะ A มีลูก 1 คน"
    },
    {
      "message_id": 1660,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.426,
      "wpm": 61,
      "message": "B มีลูกกี่คน 3"
    },
    {
      "message_id": 1661,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.426,
      "wpm": 123,
      "message": "คน เพราะฉะนั้น ต้องมีกี่เส้น"
    },
    {
      "message_id": 1662,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.425,
      "wpm": 79,
      "message": "3 เส้นนะคะ เห็นไหม"
    },
    {
      "message_id": 1663,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.423,
      "wpm": 118,
      "message": "ครูก็มีเส้นจาก B 3 เส้นนะคะ"
    },
    {
      "message_id": 1664,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.424,
      "wpm": 83,
      "message": "วาดลูกก่อน ลูกคนแรก"
    },
    {
      "message_id": 1665,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.421,
      "wpm": 70,
      "message": "ชื่อ D, E แล้วก็"
    },
    {
      "message_id": 1666,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.418,
      "wpm": 44,
      "message": "F ใช่ไหมคะ"
    },
    {
      "message_id": 1667,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.417,
      "wpm": 171,
      "message": "คนอื่นไม่มีลูกเลยนะ D กับ E ไม่มีลูกเลย"
    },
    {
      "message_id": 1668,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.417,
      "wpm": 154,
      "message": "แต่ F คนเดียวที่มีลูกใช่ไหมคะ ก็คือ"
    },
    {
      "message_id": 1669,
      "agent_id": 3,
      "delay": 1.415,
      "onscreen_delay": 0,
      "typing_delay": 1.415,
      "typing_duration": 3.415,
      "wpm": 4,
      "message": "Z"
    },
    {
      "message_id": 1670,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.416,
      "wpm": 26,
      "message": "อันนี้"
    },
    {
      "message_id": 1671,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.412,
      "wpm": 176,
      "message": "เครือญาติของบ้านสมชายใช่ไหมคะ เป็นแบบนี้"
    },
    {
      "message_id": 1672,
      "agent_id": 2,
      "delay": 3.412,
      "onscreen_delay": 0,
      "typing_delay": 3.412,
      "typing_duration": 3.412,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1673,
      "agent_id": 3,
      "delay": 3.415,
      "onscreen_delay": 0,
      "typing_delay": 3.415,
      "typing_duration": 3.415,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1674,
      "agent_id": 4,
      "delay": 3.407,
      "onscreen_delay": 0,
      "typing_delay": 3.407,
      "typing_duration": 3.407,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1675,
      "agent_id": 5,
      "delay": 3.406,
      "onscreen_delay": 0,
      "typing_delay": 3.406,
      "typing_duration": 3.406,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1676,
      "agent_id": 2,
      "delay": 3.403,
      "onscreen_delay": 0,
      "typing_delay": 3.403,
      "typing_duration": 3.403,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1677,
      "agent_id": 3,
      "delay": 3.402,
      "onscreen_delay": 0,
      "typing_delay": 3.402,
      "typing_duration": 3.402,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1678,
      "agent_id": 4,
      "delay": 3.398,
      "onscreen_delay": 0,
      "typing_delay": 3.398,
      "typing_duration": 3.398,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1679,
      "agent_id": 5,
      "delay": 3.393,
      "onscreen_delay": 0,
      "typing_delay": 3.393,
      "typing_duration": 3.393,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1680,
      "agent_id": 2,
      "delay": 3.392,
      "onscreen_delay": 0,
      "typing_delay": 3.392,
      "typing_duration": 3.392,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1681,
      "agent_id": 3,
      "delay": 3.39,
      "onscreen_delay": 0,
      "typing_delay": 3.39,
      "typing_duration": 3.39,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1682,
      "agent_id": 4,
      "delay": 3.387,
      "onscreen_delay": 0,
      "typing_delay": 3.387,
      "typing_duration": 3.387,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1683,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.385,
      "wpm": 120,
      "message": "ครูถามต่อ จากรูปนี้ รูตโหนด"
    },
    {
      "message_id": 1684,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.383,
      "wpm": 75,
      "message": "คืออะไรคะ รูตโหนด"
    },
    {
      "message_id": 1685,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.391,
      "wpm": 75,
      "message": "คืออะไร ก็คือโหนด"
    },
    {
      "message_id": 1686,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.38,
      "wpm": 31,
      "message": "ที่ชื่อ"
    },
    {
      "message_id": 1687,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.378,
      "wpm": 138,
      "message": "สมชาย ถูกไหม ก็เขาอยู่บนสุด เขา"
    },
    {
      "message_id": 1688,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.377,
      "wpm": 120,
      "message": "เป็นต้นตระกูลของบ้านหลังนี้"
    },
    {
      "message_id": 1689,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.379,
      "wpm": 71,
      "message": "ลิฟโหนดคืออะไรคะ"
    },
    {
      "message_id": 1690,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.375,
      "wpm": 31,
      "message": "ลีฟโหนด"
    },
    {
      "message_id": 1691,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.375,
      "wpm": 116,
      "message": "ลีฟโหนด คือโหลดที่มีลูกไหม"
    },
    {
      "message_id": 1692,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.373,
      "wpm": 129,
      "message": "เพราะฉะนั้น อันไหนที่ไม่มีลูก"
    },
    {
      "message_id": 1693,
      "agent_id": 3,
      "delay": 0.037,
      "onscreen_delay": 0,
      "typing_delay": 0.037,
      "typing_duration": 3.37,
      "wpm": 22,
      "message": "C, D,"
    },
    {
      "message_id": 1694,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.368,
      "wpm": 45,
      "message": "E แล้วก็ Z"
    },
    {
      "message_id": 1695,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.368,
      "wpm": 169,
      "message": "เห็นไหมคะ คนเหล่านี้เป็นโสด ถ้าเทียบนะ"
    },
    {
      "message_id": 1696,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.366,
      "wpm": 178,
      "message": "คนเหล่านี้เป็นโสดยังไม่ได้แต่งงานเลยนะคะ"
    },
    {
      "message_id": 1697,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.365,
      "wpm": 98,
      "message": "ยังเป็นโสดอยู่ไม่มีลูก"
    },
    {
      "message_id": 1698,
      "agent_id": 4,
      "delay": 3.364,
      "onscreen_delay": 0,
      "typing_delay": 3.364,
      "typing_duration": 3.364,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1699,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.361,
      "wpm": 85,
      "message": "พี่น้องของ D คือใคร"
    },
    {
      "message_id": 1700,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.361,
      "wpm": 98,
      "message": "พี่น้องของ D มีใครบ้าง"
    },
    {
      "message_id": 1701,
      "agent_id": 3,
      "delay": 0.159,
      "onscreen_delay": 0,
      "typing_delay": 0.159,
      "typing_duration": 3.359,
      "wpm": 18,
      "message": "D Do"
    },
    {
      "message_id": 1702,
      "agent_id": 4,
      "delay": 0.02,
      "onscreen_delay": 0,
      "typing_delay": 0.02,
      "typing_duration": 3.354,
      "wpm": 22,
      "message": "D Dog"
    },
    {
      "message_id": 1703,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.351,
      "wpm": 121,
      "message": "พี่น้องของ D. Dog มีใครบ้าง"
    },
    {
      "message_id": 1704,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.35,
      "wpm": 72,
      "message": "E กับ F ใช่ไหมคะ"
    },
    {
      "message_id": 1705,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.348,
      "wpm": 72,
      "message": "พี่น้องของ D Dog"
    },
    {
      "message_id": 1706,
      "agent_id": 4,
      "delay": 3.344,
      "onscreen_delay": 0,
      "typing_delay": 3.344,
      "typing_duration": 3.344,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1707,
      "agent_id": 5,
      "delay": 3.342,
      "onscreen_delay": 0,
      "typing_delay": 3.342,
      "typing_duration": 3.342,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1708,
      "agent_id": 2,
      "delay": 3.338,
      "onscreen_delay": 0,
      "typing_delay": 3.338,
      "typing_duration": 3.338,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1709,
      "agent_id": 3,
      "delay": 3.337,
      "onscreen_delay": 0,
      "typing_delay": 3.337,
      "typing_duration": 3.337,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1710,
      "agent_id": 4,
      "delay": 1.334,
      "onscreen_delay": 0,
      "typing_delay": 1.334,
      "typing_duration": 3.335,
      "wpm": 4,
      "message": "C"
    },
    {
      "message_id": 1711,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.334,
      "wpm": 157,
      "message": "มีพี่น้องไหมคะ C มีพี่น้องไหม ไม่มี"
    },
    {
      "message_id": 1712,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.332,
      "wpm": 90,
      "message": "C ไม่มีพี่น้องนะคะ C"
    },
    {
      "message_id": 1713,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.331,
      "wpm": 122,
      "message": "ไม่มีพี่น้อง Z มีพี่น้องไหม"
    },
    {
      "message_id": 1714,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.323,
      "wpm": 135,
      "message": "ไม่มีเป็นลูกคนเดียวเหมือนกัน Z"
    },
    {
      "message_id": 1715,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.321,
      "wpm": 72,
      "message": "ก็เป็นลูกคนเดียว"
    },
    {
      "message_id": 1716,
      "agent_id": 2,
      "delay": 3.321,
      "onscreen_delay": 0,
      "typing_delay": 3.321,
      "typing_duration": 3.321,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1717,
      "agent_id": 3,
      "delay": 0.116,
      "onscreen_delay": 0,
      "typing_delay": 0.116,
      "typing_duration": 3.316,
      "wpm": 18,
      "message": "โอเค"
    },
    {
      "message_id": 1718,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.32,
      "wpm": 99,
      "message": "จากเครือตรงนี้ใช่ไหมคะ"
    },
    {
      "message_id": 1719,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.314,
      "wpm": 131,
      "message": "เราวาดได้ต้นไม้ 1 ต้นนะ ถัดมา"
    },
    {
      "message_id": 1720,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.31,
      "wpm": 145,
      "message": "ต้นไม้นี่ ในต้นไม้นะคะ เราสามารถ"
    },
    {
      "message_id": 1721,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.309,
      "wpm": 154,
      "message": "มีต้นไม้ย่อย ที่อยู่ภายในต้นไม้ได้"
    },
    {
      "message_id": 1722,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.307,
      "wpm": 64,
      "message": "เช่น จากรูปนี้"
    },
    {
      "message_id": 1723,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.307,
      "wpm": 95,
      "message": "ตรงนี้ ฝั่งซ้ายของ 23"
    },
    {
      "message_id": 1724,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.308,
      "wpm": 122,
      "message": "ย่อยนะ ของ 23 ฝั่งขวาตรงนี้"
    },
    {
      "message_id": 1725,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.305,
      "wpm": 163,
      "message": "ก็คือต้นไม้ย่อยนะคะ เห็นไหม เพราะว่า"
    },
    {
      "message_id": 1726,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.302,
      "wpm": 109,
      "message": "มันมีกิ่งก้านสาขาแตกลงมา"
    },
    {
      "message_id": 1727,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.302,
      "wpm": 114,
      "message": "ตรงนี้ก็เลยเป็นต้นไม้ย่อย"
    },
    {
      "message_id": 1728,
      "agent_id": 2,
      "delay": 3.3,
      "onscreen_delay": 0,
      "typing_delay": 3.3,
      "typing_duration": 3.3,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1729,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.298,
      "wpm": 132,
      "message": "ลักษณะของต้นไม้นะคะ เดี๋ยวเรา"
    },
    {
      "message_id": 1730,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.298,
      "wpm": 164,
      "message": "จบที่ลักษณะของต้นไม้ ลักษณะของต้นไม้"
    },
    {
      "message_id": 1731,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.296,
      "wpm": 150,
      "message": "ที่เราจะพูดถึง ตัวแรก Binary Tree"
    },
    {
      "message_id": 1732,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.297,
      "wpm": 36,
      "message": "ไบ คือ 2"
    },
    {
      "message_id": 1733,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.292,
      "wpm": 155,
      "message": "Binary Tree ก็คือต้นไม้ที่มีลูกได้"
    },
    {
      "message_id": 1734,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.291,
      "wpm": 100,
      "message": "ไม่เกิน 2 โหนดถูกไหมคะ"
    },
    {
      "message_id": 1735,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.29,
      "wpm": 205,
      "message": "ต้นไม้นี่ มีลูกได้ไหมเกิดน 2 เห็นไหม มีได้ไม่"
    },
    {
      "message_id": 1736,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.29,
      "wpm": 109,
      "message": "เกิน 2 มี 1 ก็ได้นะ มี 2"
    },
    {
      "message_id": 1737,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.29,
      "wpm": 141,
      "message": "ก็ได้ ไม่มีก้ได้ แต่มี 3 ไม่ได้"
    },
    {
      "message_id": 1738,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.285,
      "wpm": 110,
      "message": "นะคะ มีลูก 3 ไม่เข้าข่าย"
    },
    {
      "message_id": 1739,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.283,
      "wpm": 183,
      "message": "ตัวนี้นะ เป็นต้นไม้เฉย ๆ แต่ไม่ใช่ต้นไม้"
    },
    {
      "message_id": 1740,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.286,
      "wpm": 50,
      "message": "Binary Tree"
    },
    {
      "message_id": 1741,
      "agent_id": 3,
      "delay": 3.279,
      "onscreen_delay": 0,
      "typing_delay": 3.279,
      "typing_duration": 3.279,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1742,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.277,
      "wpm": 124,
      "message": "อีก 1 ต้นไม้นะคะ BST ตรงนี้"
    },
    {
      "message_id": 1743,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.275,
      "wpm": 101,
      "message": "BST ตัวนี้ หรือ Binary"
    },
    {
      "message_id": 1744,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.274,
      "wpm": 50,
      "message": "Search Tree"
    },
    {
      "message_id": 1745,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.273,
      "wpm": 78,
      "message": "มีลูก 2 เห็นไหมคะ"
    },
    {
      "message_id": 1746,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.272,
      "wpm": 115,
      "message": "มีลูก 2 หรือมีลูก 1 ก็ได้"
    },
    {
      "message_id": 1747,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.271,
      "wpm": 142,
      "message": "แต่สิ่งที่เพิ่ม คือ ลูกด้านซ้าย"
    },
    {
      "message_id": 1748,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.27,
      "wpm": 119,
      "message": "ดูที่ 8 นะ ลูกด้านซ้าย ลูก"
    },
    {
      "message_id": 1749,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.269,
      "wpm": 92,
      "message": "ด้านซ้าย น้อยกว่าพ่อ"
    },
    {
      "message_id": 1750,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.269,
      "wpm": 92,
      "message": "ลูกด้านขวามากกว่าพ่อ"
    },
    {
      "message_id": 1751,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.267,
      "wpm": 73,
      "message": "ซ้าย น้อยกว่าพ่อ"
    },
    {
      "message_id": 1752,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.266,
      "wpm": 119,
      "message": "ขวามากกว่าพ่อ ตัวนี้คือ Bi"
    },
    {
      "message_id": 1753,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.265,
      "wpm": 138,
      "message": "BST หรือว่า Binary Search Tree"
    },
    {
      "message_id": 1754,
      "agent_id": 4,
      "delay": 3.265,
      "onscreen_delay": 0,
      "typing_delay": 3.265,
      "typing_duration": 3.265,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1755,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.262,
      "wpm": 212,
      "message": "สังเกตง่าย ๆ เห็นไหมคะ ด้านขวาทุกตัว มากกว่า 8"
    },
    {
      "message_id": 1756,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.26,
      "wpm": 161,
      "message": "เลย แต่ด้านซ้ายทุกตัวต้องน้อยกว่า 8"
    },
    {
      "message_id": 1757,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.259,
      "wpm": 106,
      "message": "รูปนี้เหมือนกัน ด้านขวา"
    },
    {
      "message_id": 1758,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.258,
      "wpm": 87,
      "message": "มากกว่า 50 ด้านซ้าย"
    },
    {
      "message_id": 1759,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.257,
      "wpm": 106,
      "message": "น้อยกว่า 50 นะคะ รูปนี้"
    },
    {
      "message_id": 1760,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.254,
      "wpm": 152,
      "message": "เหมือนกัน บนสุดคือ 7 ถูกหรือเปล่า"
    },
    {
      "message_id": 1761,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.253,
      "wpm": 161,
      "message": "ต้องน้อยกว่า 7 ด้านขวาต้องมากกว่า 7"
    },
    {
      "message_id": 1762,
      "agent_id": 4,
      "delay": 0.051,
      "onscreen_delay": 0,
      "typing_delay": 0.051,
      "typing_duration": 3.251,
      "wpm": 18,
      "message": "โอเค"
    },
    {
      "message_id": 1763,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.254,
      "wpm": 157,
      "message": "มี 3 แบบนะ มีต้นไม้ธรรมดา ทุกอย่าง"
    },
    {
      "message_id": 1764,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.249,
      "wpm": 125,
      "message": "เป็นต้นไม้นะ มีต้นไม้ธรรมดา"
    },
    {
      "message_id": 1765,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.248,
      "wpm": 92,
      "message": "มี Binary Tree ลูก 2"
    },
    {
      "message_id": 1766,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.247,
      "wpm": 120,
      "message": "แล้วก็ BST ลูก 2 เหมือนกัน"
    },
    {
      "message_id": 1767,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.245,
      "wpm": 166,
      "message": "แต่ลูกด้านซ้ายน้อยกว่าพ่อ ลูกด้านขวา"
    },
    {
      "message_id": 1768,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.244,
      "wpm": 69,
      "message": "มีค่ามากกว่าพ่อ"
    },
    {
      "message_id": 1769,
      "agent_id": 3,
      "delay": 0.045,
      "onscreen_delay": 0,
      "typing_delay": 0.045,
      "typing_duration": 3.242,
      "wpm": 19,
      "message": "โอเค"
    },
    {
      "message_id": 1770,
      "agent_id": 4,
      "delay": 3.24,
      "onscreen_delay": 0,
      "typing_delay": 3.24,
      "typing_duration": 3.24,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1771,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.238,
      "wpm": 32,
      "message": "เห็นไหม"
    },
    {
      "message_id": 1772,
      "agent_id": 2,
      "delay": 3.237,
      "onscreen_delay": 0,
      "typing_delay": 3.237,
      "typing_duration": 3.237,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1773,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.235,
      "wpm": 79,
      "message": "นะ เดี่ยวคราวหน้า"
    },
    {
      "message_id": 1774,
      "agent_id": 4,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.232,
      "wpm": 162,
      "message": "เดี๋ยวครูจะมาทวนต้นไม้อีกครั้งหนึ่ง"
    },
    {
      "message_id": 1775,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.225,
      "wpm": 209,
      "message": "แล้วเราก็พูดถึงเรื่องต้นไม้ต่อ เราจะเพิ่มโหนด"
    },
    {
      "message_id": 1776,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.22,
      "wpm": 205,
      "message": "เข้าไปในต้นไม้ทำอย่างไร จะลบโหนดออกจากต้นไม้"
    },
    {
      "message_id": 1777,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.22,
      "wpm": 61,
      "message": "ทำอย่างไรนะคะ"
    },
    {
      "message_id": 1778,
      "agent_id": 4,
      "delay": 3.219,
      "onscreen_delay": 0,
      "typing_delay": 3.219,
      "typing_duration": 3.219,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1779,
      "agent_id": 5,
      "delay": 3.217,
      "onscreen_delay": 0,
      "typing_delay": 3.217,
      "typing_duration": 3.217,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1780,
      "agent_id": 2,
      "delay": 3.215,
      "onscreen_delay": 0,
      "typing_delay": 3.215,
      "typing_duration": 3.215,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1781,
      "agent_id": 3,
      "delay": 3.215,
      "onscreen_delay": 0,
      "typing_delay": 3.215,
      "typing_duration": 3.215,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1782,
      "agent_id": 4,
      "delay": 3.213,
      "onscreen_delay": 0,
      "typing_delay": 3.213,
      "typing_duration": 3.213,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1783,
      "agent_id": 5,
      "delay": 3.212,
      "onscreen_delay": 0,
      "typing_delay": 3.212,
      "typing_duration": 3.212,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1784,
      "agent_id": 2,
      "delay": 3.212,
      "onscreen_delay": 0,
      "typing_delay": 3.212,
      "typing_duration": 3.212,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1785,
      "agent_id": 3,
      "delay": 3.209,
      "onscreen_delay": 0,
      "typing_delay": 3.209,
      "typing_duration": 3.209,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1786,
      "agent_id": 4,
      "delay": 3.207,
      "onscreen_delay": 0,
      "typing_delay": 3.207,
      "typing_duration": 3.207,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1787,
      "agent_id": 5,
      "delay": 3.205,
      "onscreen_delay": 0,
      "typing_delay": 3.205,
      "typing_duration": 3.205,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1788,
      "agent_id": 2,
      "delay": 3.204,
      "onscreen_delay": 0,
      "typing_delay": 3.204,
      "typing_duration": 3.204,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1789,
      "agent_id": 3,
      "delay": 3.202,
      "onscreen_delay": 0,
      "typing_delay": 3.202,
      "typing_duration": 3.202,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1790,
      "agent_id": 4,
      "delay": 3.2,
      "onscreen_delay": 0,
      "typing_delay": 3.2,
      "typing_duration": 3.2,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1791,
      "agent_id": 5,
      "delay": 3.199,
      "onscreen_delay": 0,
      "typing_delay": 3.199,
      "typing_duration": 3.199,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1792,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.196,
      "wpm": 122,
      "message": "โอเคนะคะ เดี๋ยวสัปดาห์หน้า"
    },
    {
      "message_id": 1793,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.194,
      "wpm": 155,
      "message": "เรามาเจอกันอีก วันนี้ก็น่าจะพอแค่"
    },
    {
      "message_id": 1794,
      "agent_id": 4,
      "delay": 3.191,
      "onscreen_delay": 0,
      "typing_delay": 3.191,
      "typing_duration": 3.191,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1795,
      "agent_id": 5,
      "delay": 3.19,
      "onscreen_delay": 0,
      "typing_delay": 3.19,
      "typing_duration": 3.19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1796,
      "agent_id": 2,
      "delay": 3.187,
      "onscreen_delay": 0,
      "typing_delay": 3.187,
      "typing_duration": 3.187,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1797,
      "agent_id": 3,
      "delay": 3.186,
      "onscreen_delay": 0,
      "typing_delay": 3.186,
      "typing_duration": 3.186,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1798,
      "agent_id": 4,
      "delay": 3.184,
      "onscreen_delay": 0,
      "typing_delay": 3.184,
      "typing_duration": 3.184,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1799,
      "agent_id": 5,
      "delay": 3.183,
      "onscreen_delay": 0,
      "typing_delay": 3.183,
      "typing_duration": 3.183,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1800,
      "agent_id": 2,
      "delay": 3.18,
      "onscreen_delay": 0,
      "typing_delay": 3.18,
      "typing_duration": 3.18,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1801,
      "agent_id": 3,
      "delay": 3.19,
      "onscreen_delay": 0,
      "typing_delay": 3.19,
      "typing_duration": 3.19,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1802,
      "agent_id": 4,
      "delay": 3.176,
      "onscreen_delay": 0,
      "typing_delay": 3.176,
      "typing_duration": 3.176,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1803,
      "agent_id": 5,
      "delay": 3.175,
      "onscreen_delay": 0,
      "typing_delay": 3.175,
      "typing_duration": 3.175,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1804,
      "agent_id": 2,
      "delay": 3.173,
      "onscreen_delay": 0,
      "typing_delay": 3.173,
      "typing_duration": 3.173,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1805,
      "agent_id": 3,
      "delay": 3.17,
      "onscreen_delay": 0,
      "typing_delay": 3.17,
      "typing_duration": 3.17,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1806,
      "agent_id": 4,
      "delay": 3.172,
      "onscreen_delay": 0,
      "typing_delay": 3.172,
      "typing_duration": 3.172,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1807,
      "agent_id": 5,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.165,
      "wpm": 161,
      "message": "สัปดาห์หน้า พอดีว่าครูติดลงพื้นที่"
    },
    {
      "message_id": 1808,
      "agent_id": 2,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 3.164,
      "wpm": 62,
      "message": "ครูอยากจะขยับ"
    },
    {
      "message_id": 1809,
      "agent_id": 3,
      "delay": 0,
      "onscreen_delay": 0,
      "typing_delay": 0,
      "typing_duration": 15.002,
      "wpm": 8,
      "message": "เลื่อนเป"
    },
    {
      "message_id": 1810,
      "agent_id": 4,
      "delay": 15,
      "onscreen_delay": 0,
      "typing_delay": 15,
      "typing_duration": 15,
      "wpm": 0,
      "message": ""
    },
    {
      "message_id": 1811,
      "agent_id": 5,
      "delay": 10.997,
      "onscreen_delay": 10.996,
      "typing_delay": 0.001,
      "typing_duration": 0.001,
      "wpm": 0,
      "message": ""
    }
  ]
}