{"answers": "D", "options": ["m : you need to walk a total of five minutes .", "m : ten minutes ' walk in all .", "m : you have to walk 15 minutes to get the train station .", "m : you have to walk 15 minutes to get the subway station ."], "article": "f : good afternoon , do you know where the subway station is ? m : it 's down the street about 2 blocks away . f : i 've never been to this city before , so i 'm not familiar with the city . can i find it easily ? m : i think so . just walk down the street for about 5 minutes and you 'll see a sign for it right in front of a post office . keep walking for about 10 minutes and you 'll be at the subway station . so , are you here to visit friends or for business ? f : actually , i 'm with 2 friends to go sightseeing . we got separated while we were shopping in the mall , so they went to the train station and are now waiting for me there .", "id": "train_3529"}