{"answers": "D", "options": ["m : it 'll take us 260 pounds each to take the 4-hour train .", "m : it 's impossible for us to get to the airport for we need 10 hours on the train .", "m : we 'll stay on the train for 6 hours until midnight .", "m : what can we do during the 6 hours one the train ?"], "article": "f : have you booked the train tickets ? m : yes , the train leaves 4 o'clock and arrives at london at about 10 . f : what about the plane tickets from london to paris ? m : well , i want your advice . if we take the plane , leaving at midnight , we 'll have to pay 260 pounds each . but if we leave at 8 in the morning , we 'll have to pay 410 . f : can we get to the airport at 11 ? m : yes , it 's only 30 minutes from the railway station to the airport . f : then we 'll take the plane , leaving at midnight .", "id": "train_486"}