{"answers": "C", "options": ["f : three days in each city , including nanjing and shanghai ? sounds so great .", "f : you only had four days in beijing and two days in nanjing during the trip ?", "f : two days in shanghai and nanjing respectively did n't sound enough for me .", "f : what did you do during the four days in nanjing ? i skipped the city last time ."], "article": "f : nice to see you again , mike . how was your trip to china ? m : it was great . i flew to beijing with my wife last month and i stayed there for 3 days . there were so many things to see and so many places of interest to visit in beijing that we really could n't decide whether to leave or stay . f : have you visited other places in china ? m : yes , then we visited shanghai and nanjing , each city for 2 days . finally we paid a visit to guilin , where we spent 3 days . they were so beautiful that we were deeply impressed by these cities .", "id": "train_2737"}