{"answers": "A", "options": ["m : do n't be so frightened . technology will develop in the future .", "m : i feel as excited as you about train trip under the ocean .", "m : you do n't have to be frightened . you do n't feel nervous at all flying on a plane .", "m : you look disappointed about traveling by train under the oceans . why ?"], "article": "m : talking about the future . i think there will be huge changes in the way people use cars . laws will be made about what kind of car you can own and when you can use it . f : maybe they 'll just be too many of them on the roads . the air will be so seriously polluted that nobody will be able to breathe normally . m : exactly . people will have to rely on trains . f : why do you say that ? m : well , we wo n't be able to use cars and the airports take too much space . that leaves trains . f : huh , so do you think they 'll be better trained systems between cities ? m : sure , they 'll enable people to travel between cities in a matter of hours . there may even be trains going under the oceans to connect the main continents . f : under the oceans ? i get nervous enough flying on a plane .", "id": "train_2479"}