{"answers": "C", "options": ["m : so there are only 4 stops to north station ? that 's close .", "m : since i am in the taxi , i wo n't be on the wrong way .", "m : ok , so i need to change to the green line , right ? the subway confused me .", "m : ok , i will get off the subway in two stations ."], "article": "m : how many stops until north station ? f : you 're on the wrong train . you need to get off at the next station and change to the green line . this is the red line .", "id": "train_5468"}