{"answers": "B", "options": ["m : you 've made the right choice . taking subway to the countryside is the most convenient way .", "m : you 've made the right choice , and just go to the subway now .", "m : you 've made the right choice , and you can call the taxi right now .", "m : you 've made the right choice , and you can go to the bus station right now ."], "article": "m : you will arrive at the city center in less than 15 minutes by bus . f : what else can i take ? m : taxis are expensive . you could also take a subway . it comes every 2 minutes . f : i 'll go to the subway station right now .", "id": "train_5811"}