Question: why is there a moon cut out on outhouses
[{'answer': 'venting and light', 'provenance': [{'wikipedia_id': '652501', 'title': 'Outhouse', 'start_paragraph_id': 10, 'start_character': 489, 'end_paragraph_id': 10, 'end_character': 506, 'bleu_score': 1.0, 'section': 'Section::::Design aspects.:Common features.\n'}]}, {'provenance': [{'wikipedia_id': '652501', 'title': 'Outhouse', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 570, 'bleu_score': 0.943372970740017, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10316697350619790634}, 'section': 'Section::::Design aspects.:Common features.\n'}]}]