| timestamp,action_type,item_id,source,user_answer,platform | |
| 1562393961254,enter,b2804,diagnosis,,mobile | |
| 1562393990511,respond,q4272,diagnosis,b,mobile | |
| 1562393993820,respond,q4272,diagnosis,a,mobile | |
| 1562393994315,respond,q4272,diagnosis,b,mobile | |
| 1562393994669,respond,q4272,diagnosis,a,mobile | |
| 1562393994980,respond,q4272,diagnosis,b,mobile | |
| 1562393997930,respond,q4272,diagnosis,b,mobile | |
| 1562394007099,submit,b2804,diagnosis,,mobile | |
| 1562394007188,enter,b4464,diagnosis,,mobile | |
| 1562394041878,respond,q5932,diagnosis,b,mobile | |
| 1562394056950,respond,q5932,diagnosis,c,mobile | |
| 1562394062985,submit,b4464,diagnosis,,mobile | |
| 1562394063076,enter,b3374,diagnosis,,mobile | |
| 1562394089984,respond,q4842,diagnosis,b,mobile | |
| 1562394097834,submit,b3374,diagnosis,,mobile | |
| 1562394097938,enter,b3006,diagnosis,,mobile | |
| 1562394128732,respond,q4474,diagnosis,b,mobile | |
| 1562394133145,submit,b3006,diagnosis,,mobile | |
| 1562394133229,enter,b4107,diagnosis,,mobile | |
| 1562394159804,respond,q5575,diagnosis,c,mobile | |
| 1562394163470,submit,b4107,diagnosis,,mobile | |
| 1562394163558,enter,b2191,diagnosis,,mobile | |
| 1562394201079,respond,q3659,diagnosis,a,mobile | |
| 1562394205791,submit,b2191,diagnosis,,mobile | |
| 1562394205901,enter,b2150,diagnosis,,mobile | |
| 1562394242377,respond,q3618,diagnosis,a,mobile | |
| 1562394247248,submit,b2150,diagnosis,,mobile | |