Question: signal flag displayed by a vessel about to leave port
[{'answer': 'Ensigns', 'provenance': [{'wikipedia_id': '500635', 'title': 'Maritime flag', 'start_paragraph_id': 3, 'start_character': 11, 'end_paragraph_id': 3, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Types of flag.\n'}]}, {'provenance': [{'wikipedia_id': '500635', 'title': 'Maritime flag', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 713, 'bleu_score': 0.983672097934538, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14598007839024233174}, 'section': 'Section::::Types of flag.:Ensigns.\n'}]}]