Question: where's the heart located in the human body
[{'answer': 'The thorax or chest', 'provenance': [{'wikipedia_id': '262601', 'title': 'Thorax', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '262601', 'title': 'Thorax', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 483, 'bleu_score': 0.91400636688224, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11490686965947139896}, 'section': 'Section::::Abstract.'}]}]