{"answers": "A", "options": ["m : you 're right , subway is the best choise .", "m : so , you like bus better .", "m : why do you never take the subway ?", "m : you 're right . the most convenient transportation is car ."], "article": "m : how do you go to work in london ? by bus , or by the underground railway ? f : buses are always crowded and are often stuck in traffic jams . the private cars ca n't help at all . so i prefer to use the subway .", "id": "train_5628"}