Question: what's the difference between a brown bear and a kodiak
[{'answer': 'main difference being in size', 'provenance': [{'wikipedia_id': '1021213', 'title': 'Kodiak bear', 'start_paragraph_id': 2, 'start_character': 225, 'end_paragraph_id': 2, 'end_character': 254, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1021213', 'title': 'Kodiak bear', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 649, 'bleu_score': 0.859675415786026, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17247592273144335511}, 'section': 'Section::::Abstract.'}]}]