Question: what is the fear center of the brain
[{'answer': 'the amygdala', 'provenance': [{'wikipedia_id': '36086848', 'title': 'Fear processing in the brain', 'start_paragraph_id': 1, 'start_character': 314, 'end_paragraph_id': 1, 'end_character': 326, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36086848', 'title': 'Fear processing in the brain', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 361, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5359668185215656717}, 'section': 'Section::::Abstract.'}]}]