{"answers": "B", "options": ["f : hurry up , your train leaves at 5:00 .", "f : here are 3 tickets to tianjin for the 6:00 trainl .", "f : you are lucky to get on the train that leaves at 5:30 .", "f : these three tickets are your plane tickets . the flight leaves at 6:00 ."], "article": "f : good afternoon . can i help you ? m : good afternoon . i 'd like to buy 3 tickets to tianjin for the 5:30 train . f : sorry . there are only 2 left at the moment . how about the next train half an hour later ? m : ok , 3 for the next train then .", "id": "train_6596"}