Question: which logo on a flag identifies a ship crew as pirates
[{'answer': 'skull and crossbones symbol', 'provenance': [{'wikipedia_id': '231041', 'title': 'Jolly Roger', 'start_paragraph_id': 2, 'start_character': 64, 'end_paragraph_id': 2, 'end_character': 91, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '231041', 'title': 'Jolly Roger', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 300, 'bleu_score': 0.916705652864192, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15462684901090750350}, 'section': 'Section::::Abstract.'}]}]