{"answers": "A", "options": ["f : you did n't swim in las vegas ? what a pity !", "f : why did n't you go shopping in las vegas ?", "f : you failed to swim in hoover dam in las vegas but you swam in somewhere else there , right ?", "f : why did n't you visit the hoover dam in las vegas ?"], "article": "f : i heard you went to las vegas . what did you do ? m : well , we went shopping a lot . we went and visited the hoover dam . f : that 's a lot of water . did you go swimming ? m : no , it 's not warm enough for that .", "id": "train_4743"}