| timestamp,action_type,item_id,source,user_answer,platform | |
| 1561532375523,enter,b2902,diagnosis,,web | |
| 1561532401078,respond,q4370,diagnosis,d,web | |
| 1561532401917,submit,b2902,diagnosis,,web | |
| 1561532406271,enter,b1305,diagnosis,,web | |
| 1561532460208,respond,q1305,diagnosis,c,web | |
| 1561532461043,submit,b1305,diagnosis,,web | |
| 1561532463241,enter,b7377,diagnosis,,web | |
| 1561532499535,respond,q10026,diagnosis,a,web | |
| 1561532500405,submit,b7377,diagnosis,,web | |
| 1561532502482,enter,b2546,diagnosis,,web | |
| 1561532530125,respond,q4014,diagnosis,b,web | |
| 1561532532295,submit,b2546,diagnosis,,web | |
| 1561532534300,enter,b2551,diagnosis,,web | |
| 1561532556911,respond,q4019,diagnosis,a,web | |
| 1561532557586,submit,b2551,diagnosis,,web | |
| 1561532559440,enter,b4855,diagnosis,,web | |
| 1561532574028,respond,q6323,diagnosis,c,web | |
| 1561532575536,submit,b4855,diagnosis,,web | |
| 1561532577473,enter,b4569,diagnosis,,web | |
| 1561532611424,respond,q6037,diagnosis,a,web | |
| 1561532612134,submit,b4569,diagnosis,,web | |
| 1561544491870,enter,b726,tutor,,mobile | |
| 1561544502590,respond,q726,tutor,a,mobile | |
| 1561544539821,respond,q726,tutor,b,mobile | |
| 1561544566232,submit,b726,tutor,,mobile | |
| 1561544566327,enter,e726,tutor,,mobile | |
| 1561544596517,quit,e726,tutor,,mobile | |
| 1561544596609,enter,b7678,tutor,,mobile | |
| 1561544624566,respond,q10327,tutor,d,mobile | |
| 1561544630852,submit,b7678,tutor,,mobile | |
| 1561544630932,enter,e7678,tutor,,mobile | |
| 1561544641738,quit,e7678,tutor,,mobile | |
| 1561633811261,enter,b1614,tutor,,mobile | |
| 1561633842775,submit,b1614,tutor,,mobile | |
| 1561689677155,enter,b8519,tutor,,mobile | |
| 1561689813184,respond,q11746,tutor,d,mobile | |
| 1561689819602,submit,b8519,tutor,,mobile | |
| 1561689819699,enter,e8519,tutor,,mobile | |
| 1561689861182,quit,e8519,tutor,,mobile | |
| 1561689861276,enter,b526,tutor,,mobile | |
| 1561689918161,respond,q526,tutor,c,mobile | |
| 1561689922970,submit,b526,tutor,,mobile | |
| 1561689923035,enter,e526,tutor,,mobile | |
| 1561689953555,quit,e526,tutor,,mobile | |
| 1561689953590,enter,b1553,tutor,,mobile | |
| 1561690057964,respond,q1857,tutor,c,mobile | |
| 1561690062647,submit,b1553,tutor,,mobile | |
| 1561690062720,enter,e1553,tutor,,mobile | |
| 1561690147416,quit,e1553,tutor,,mobile | |
| 1561690165339,enter,b84,tutor,,mobile | |
| 1561690227062,respond,q84,tutor,c,mobile | |
| 1561690231974,submit,b84,tutor,,mobile | |
| 1561690232044,enter,e84,tutor,,mobile | |
| 1561690290997,quit,e84,tutor,,mobile | |
| 1561690291054,enter,b686,tutor,,mobile | |
| 1561690341491,respond,q686,tutor,b,mobile | |
| 1561690345692,submit,b686,tutor,,mobile | |
| 1561690345720,enter,e686,tutor,,mobile | |
| 1561690381687,quit,e686,tutor,,mobile | |
| 1561690381770,enter,b1495,tutor,,mobile | |
| 1561690475486,respond,q1683,tutor,b,mobile | |
| 1561690487617,submit,b1495,tutor,,mobile | |
| 1561690487685,enter,e1495,tutor,,mobile | |
| 1561690579658,quit,e1495,tutor,,mobile | |
| 1561690579750,enter,l781,tutor,,mobile | |
| 1561690757831,quit,l781,tutor,,mobile | |
| 1561690758003,enter,b4834,tutor,,mobile | |
| 1561690795921,respond,q6302,tutor,b,mobile | |
| 1561690801004,submit,b4834,tutor,,mobile | |
| 1561690801060,enter,e4834,tutor,,mobile | |
| 1561690834292,quit,e4834,tutor,,mobile | |
| 1561690834319,enter,b7619,tutor,,mobile | |
| 1561690879522,respond,q10268,tutor,b,mobile | |
| 1561690883316,submit,b7619,tutor,,mobile | |
| 1561690883380,enter,e7619,tutor,,mobile | |
| 1561690920908,quit,e7619,tutor,,mobile | |
| 1561690920979,enter,b5253,tutor,,mobile | |
| 1561691016055,respond,q7107,tutor,d,mobile | |
| 1561691021572,submit,b5253,tutor,,mobile | |
| 1561691021612,enter,e5253,tutor,,mobile | |
| 1561691066562,quit,e5253,tutor,,mobile | |
| 1561691066694,enter,l489,tutor,,mobile | |
| 1561691513110,quit,l489,tutor,,mobile | |
| 1561843583620,enter,b3008,sprint,,mobile | |
| 1561843607875,respond,q4476,sprint,d,mobile | |
| 1561843609486,respond,q4476,sprint,b,mobile | |
| 1561843610413,respond,q4476,sprint,c,mobile | |
| 1561843616009,submit,b3008,sprint,,mobile | |
| 1561843616066,enter,e3008,sprint,,mobile | |
| 1561843630405,quit,e3008,sprint,,mobile | |
| 1561843630447,enter,b2182,sprint,,mobile | |
| 1561843646216,respond,q3650,sprint,b,mobile | |
| 1561843650111,submit,b2182,sprint,,mobile | |
| 1561843650162,enter,e2182,sprint,,mobile | |
| 1561843660664,quit,e2182,sprint,,mobile | |
| 1561843660735,enter,b4024,sprint,,mobile | |
| 1561843696201,respond,q5492,sprint,c,mobile | |
| 1561843700760,submit,b4024,sprint,,mobile | |
| 1561843700814,enter,e4024,sprint,,mobile | |
| 1561843710988,quit,e4024,sprint,,mobile | |
| 1561843711031,enter,b11564,sprint,,mobile | |
| 1561843748548,respond,q17327,sprint,c,mobile | |
| 1561843759216,submit,b11564,sprint,,mobile | |