|Question type||Question||Retrieval type|
Who called you on <time> ?|
Who did you call on <time> ?
Who SMS messaged you on <time> ?|
Who did you SMS message on <time> ?
|Location||Where were you on <time> ?||Recall|
|Application||What are the applications you used in the last 24 h?||Recognize|
|Music||What are the music you listened to in the last 24 h?||Recognize|
|Activity||What activities did you perform in the last 24 h and when?||Recognize and recall|
|Battery||When did you charge your phone in the last 24 h and how was it charged?||Recognize and recall|