Question: where does the concept of a month come from
[{'answer': 'the cycle of moon phases', 'provenance': [{'wikipedia_id': '20354', 'title': 'Month', 'start_paragraph_id': 1, 'start_character': 202, 'end_paragraph_id': 1, 'end_character': 226, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20354', 'title': 'Month', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 614, 'bleu_score': 0.9813933169956551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9193669191365787081}, 'section': 'Section::::Abstract.'}]}]