{"answers": "B", "options": ["m : a day on mars is less than 24 hours , which means it is longer than a day on earth .", "m : a day on mars is 24 hours and 37 minutes , which means it 's a little longer than a day on earth .", "m : a day on mars is 24 hours and 37 minutes , which means it 's as long as a day on earth .", "m : a day on mars is 37 hours long , which means it is as long as a day on earth ."], "article": "m : mars moves slower than the earth . f : yes , a day on mars is 37 minutes longer than a day on the earth .", "id": "train_6386"}