| timestamp,action_type,item_id,source,user_answer,platform | |
| 1562303258989,enter,b2766,diagnosis,,mobile | |
| 1562303279511,respond,q4234,diagnosis,b,mobile | |
| 1562303289569,submit,b2766,diagnosis,,mobile | |
| 1562303289680,enter,b3279,diagnosis,,mobile | |
| 1562303312216,respond,q4747,diagnosis,a,mobile | |
| 1562303321656,submit,b3279,diagnosis,,mobile | |
| 1562303321773,enter,b2898,diagnosis,,mobile | |
| 1562303340276,respond,q4366,diagnosis,a,mobile | |
| 1562303350518,submit,b2898,diagnosis,,mobile | |
| 1562303350635,enter,b4974,diagnosis,,mobile | |
| 1562303363750,respond,q6442,diagnosis,d,mobile | |
| 1562303374739,submit,b4974,diagnosis,,mobile | |
| 1562303374846,enter,b4157,diagnosis,,mobile | |
| 1562303386556,respond,q5625,diagnosis,b,mobile | |
| 1562303397671,submit,b4157,diagnosis,,mobile | |
| 1562303397755,enter,b2658,diagnosis,,mobile | |
| 1562303413697,respond,q4126,diagnosis,c,mobile | |
| 1562303423723,submit,b2658,diagnosis,,mobile | |
| 1562303423814,enter,b4286,diagnosis,,mobile | |
| 1562303446710,respond,q5754,diagnosis,a,mobile | |
| 1562303455693,submit,b4286,diagnosis,,mobile | |
| 1562303455789,enter,b219,diagnosis,,mobile | |
| 1562303464062,respond,q219,diagnosis,a,mobile | |
| 1562303466371,respond,q219,diagnosis,b,mobile | |
| 1562303466938,respond,q219,diagnosis,c,mobile | |
| 1562303467427,respond,q219,diagnosis,a,mobile | |
| 1562303484503,respond,q219,diagnosis,b,mobile | |
| 1562303487228,respond,q219,diagnosis,a,mobile | |
| 1562303496879,respond,q219,diagnosis,a,mobile | |
| 1562303506626,submit,b219,diagnosis,,mobile | |
| 1562348268442,enter,e56,review,,mobile | |
| 1562348269830,quit,e56,review,,mobile | |
| 1562369898505,enter,e3923,review,,mobile | |
| 1562369901091,quit,e3923,review,,mobile | |
| 1562600225973,enter,e2766,review,,mobile | |
| 1562600227465,quit,e2766,review,,mobile | |
| 1562600248432,enter,l817,tutor,,mobile | |
| 1562600520340,quit,l817,tutor,,mobile | |
| 1562600520535,enter,l719,tutor,,mobile | |
| 1562600537024,quit,l719,tutor,,mobile | |
| 1562818210409,enter,b169,sprint,,mobile | |
| 1562818213828,submit,b169,sprint,,mobile | |
| 1562818361112,enter,b5205,sprint,,mobile | |
| 1562818393387,respond,q6916,sprint,a,mobile | |
| 1562818400621,submit,b5205,sprint,,mobile | |
| 1562818400721,enter,e5205,sprint,,mobile | |
| 1562818406750,quit,e5205,sprint,,mobile | |
| 1562819067708,enter,l560,adaptive_offer,,mobile | |
| 1562819319682,quit,l560,adaptive_offer,,mobile | |
| 1562819762722,enter,l560,adaptive_offer,,mobile | |
| 1562819850922,quit,l560,adaptive_offer,,mobile | |
| 1562941057162,enter,l560,adaptive_offer,,mobile | |
| 1562941646397,quit,l560,adaptive_offer,,mobile | |