{"answers": "B", "options": ["m : it 's not the rush hour now . you can take the bus .", "m : you 'd better hurry up and take the subway . i 'm afraid you wo n't be in time .", "m : it 's a good idea to go to the airport by subway .", "m : wow , i envy you that you can go to nanjing by train ."], "article": "f : can i get to beijing west railway station by bus ? m : ah , it 's rush hour now . you can go there by subway . f : ok .", "id": "dev_848"}