{"answers": "D", "options": ["f : thank you . i 'll call the cab company through 350-688-4700 right now .", "f : thank you for telling me the telephone number of airport , is it 350-886-4700 ?", "f : thank you . i should ring the number 350-686-4700 of airport right away .", "f : 350-686-4700 , is it ? they should put up some notices of the bus company ."], "article": "f : what time does the bus leave for the airport ? m : i do n't know . it used to leave every half hour , but i think the timetable has been changed . f : do you know the telephone number of the bus company ? m : yes , i do . it 's 350-688-4700 .", "id": "train_3719"}