Question: what is a day on mars compared to earth
[{'answer': 'only about 2.7 % longer', 'provenance': [{'wikipedia_id': '1784050', 'title': 'Timekeeping on Mars', 'start_paragraph_id': 4, 'start_character': 302, 'end_paragraph_id': 4, 'end_character': 329, 'bleu_score': 1.0, 'section': 'Section::::Sols.\n'}]}, {'provenance': [{'wikipedia_id': '1784050', 'title': 'Timekeeping on Mars', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 336, 'bleu_score': 0.536961007388918, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16203753526801648488}, 'section': 'Section::::Sols.\n'}]}]