| timestamp,action_type,item_id,source,user_answer,platform | |
| 1562342782610,enter,b4002,diagnosis,,mobile | |
| 1562342801767,respond,q5470,diagnosis,a,mobile | |
| 1562342810012,submit,b4002,diagnosis,,mobile | |
| 1562342810108,enter,b4815,diagnosis,,mobile | |
| 1562342834277,respond,q6283,diagnosis,d,mobile | |
| 1562342841037,submit,b4815,diagnosis,,mobile | |
| 1562342841138,enter,b401,diagnosis,,mobile | |
| 1562342849988,respond,q401,diagnosis,a,mobile | |
| 1562342859514,submit,b401,diagnosis,,mobile | |
| 1562342859609,enter,b3468,diagnosis,,mobile | |
| 1562342870177,respond,q4936,diagnosis,c,mobile | |
| 1562342875643,submit,b3468,diagnosis,,mobile | |
| 1562342875718,enter,b4146,diagnosis,,mobile | |
| 1562342892769,respond,q5614,diagnosis,a,mobile | |
| 1562342896908,submit,b4146,diagnosis,,mobile | |
| 1562342896953,enter,b2575,diagnosis,,mobile | |
| 1562342903745,respond,q4043,diagnosis,a,mobile | |
| 1562342917731,submit,b2575,diagnosis,,mobile | |
| 1562342917809,enter,b7371,diagnosis,,mobile | |
| 1562342935963,respond,q10020,diagnosis,b,mobile | |
| 1562342943366,submit,b7371,diagnosis,,mobile | |