Question: what kind of bird is the aflac mascot
[{'answer': 'duck', 'provenance': [{'wikipedia_id': '338334', 'title': 'Aflac', 'start_paragraph_id': 27, 'start_character': 258, 'end_paragraph_id': 27, 'end_character': 262, 'bleu_score': 1.0, 'section': 'Section::::The Aflac Duck.\n'}]}, {'provenance': [{'wikipedia_id': '338334', 'title': 'Aflac', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 1117, 'bleu_score': 0.9893329520071461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9492706930803010584}, 'section': 'Section::::The Aflac Duck.\n'}]}]