{"answers": "D", "options": ["m : yeah , however though you have made a reservaiton , it still will take a little time to confirm your information , so you may let your taxi driver wait .", "m : yes , what you need to do is to provide the train number you just took and your name for getting your money back .", "m : sorry , you ca n't rent a room when you just got off the plane right now , you should have made a reservation before .", "m : sure , of course you can rent a car when you got off the plane just now , then tell me what kind of car do you want ?"], "article": "m : how may i help you ? f : hi , i would like to rent a car . m : sure , did you make a reservation ? f : no , i decided to rent one when i got off the plane just now . is that ok ?", "id": "train_3498"}