Question: un peacekeepers are easily recognized by what piece of clothing
[{'answer': 'light blue berets or helmets', 'provenance': [{'wikipedia_id': '15652027', 'title': 'United Nations peacekeeping', 'start_paragraph_id': 2, 'start_character': 444, 'end_paragraph_id': 2, 'end_character': 472, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15652027', 'title': 'United Nations peacekeeping', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 535, 'bleu_score': 0.905022047196384, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7611863913646318074}, 'section': 'Section::::Abstract.'}]}]