{"answers": "C", "options": ["f : so the concert last night started at 8:00 pm and you arrived at 8:15 pm ?", "f : since the concert last night started at 8:15 p.m. , why were you fifteen minutes late ?", "f : do you mean the concert last night did n't start until 8:15 pm ? that 's weird .", "f : you mean the concert last night started at 8:15 pm , but it did n't start until 8:30 pm ?"], "article": "f : did you go to the concert last night ? m : oh , it was supposed to start at 8:00 pm . but it was delayed 15 minutes .", "id": "train_5139"}