{"answers": "A", "options": ["f : you have a point . i 'm going to check out if it 's cheaper to get there by plane .", "f : it 's so nice of you to go there by bus with me together .", "f : thank you , i like travelling by train as well .", "f : i agree . traveling by plane is so pricey and i ca n't afford it ."], "article": "m : hey , may , how are you getting to xi'an next week ? f : i 'm not sure yet . i may take the train , but then again , i may take the bus . m : but the bus takes a long time . you could fly . it 's not so expensive these days .", "id": "train_5984"}