Question: which part of the brain is involved in decision making
[{'answer': 'the prefrontal cortex', 'provenance': [{'wikipedia_id': '1967493', 'title': 'Prefrontal cortex', 'start_paragraph_id': 1, 'start_character': 28, 'end_paragraph_id': 1, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1967493', 'title': 'Prefrontal cortex', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 417, 'bleu_score': 0.9679895851501501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1267447215288385927}, 'section': 'Section::::Abstract.'}]}]