{"answers": "B", "options": ["f : you 'll go on june 7th and return exactly a month later . wait a moment , sir .", "f : let me check for you . a return ticket on july 21st from shanghai , right ?", "f : so you may need a round ticket from july 10th to 21st to and from beijing .", "f : sir , we do n't have flight for you to return from beijing on july 27th . i 'm sorry ."], "article": "f : good morning , northwind airways . may i help you ? m : yes , do you have any afternoon flights to shanghai on july seventh ? f : one moment please . yes , there is a flight at 12:45 pm and one at 4:40 pm . m : either of those would be fine . can you tell me how much a return flight would cost ? i 'll be returning on july twenty-first .", "id": "train_1248"}