{"answers": " ", "options": ["f : i agree . the speed trains are fast but not enjoyable .", "f : you are right . it 's convenient and relaxing .", "f : i agree . it 's comfortable but expensive .", "f : do n't you think it 's fast but not enjoyable ?"], "article": "m : many countries have high speed rail transportation . f : so has japan . the trains move rapidly from one city to another , saving a lot of time . m : that 's true . but i 'm afraid modern travel does not allow us to relax and to enjoy the trip .", "id": "test_768"}