Question: where does the term petty officer come from
[{'answer': 'Age of Sail', 'provenance': [{'wikipedia_id': '524764', 'title': 'Petty officer', 'start_paragraph_id': 3, 'start_character': 43, 'end_paragraph_id': 3, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Origin.\n'}]}, {'provenance': [{'wikipedia_id': '524764', 'title': 'Petty officer', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 658, 'bleu_score': 0.9810405040225261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17786370766218112295}, 'section': 'Section::::Origin.\n'}]}]