Question: is big ben a clock or a bell
[{'answer': 'clock', 'provenance': [{'wikipedia_id': '7290308', 'title': 'Big Ben', 'start_paragraph_id': 1, 'start_character': 50, 'end_paragraph_id': 1, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7290308', 'title': 'Big Ben', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 361, 'bleu_score': 0.656658569129559, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12158334645074300206}, 'section': 'Section::::Abstract.'}]}]