{"answers": "C", "options": ["f : although traveling by train is not safe , we can enjoy the scenes outside .", "f : you are right . we should fly to hangzhou . i think it 's very safe .", "f : yes . traveling by train is very safe . we should go to hangzhou by train .", "f : you are right . we will meet different people when we are at the airport ."], "article": "f : we could have flown to hangzhou , but i prefer traveling on rail . i like very much to watch the beautiful scenery by the window . m : i like traveling by train too . i think it had something to my sense of safety .", "id": "train_1910"}