Question: where are chemical synapses found in the body
[{'answer': 'central nervous system', 'provenance': [{'wikipedia_id': '27809', 'title': 'Chemical synapse', 'start_paragraph_id': 1, 'start_character': 222, 'end_paragraph_id': 1, 'end_character': 244, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27809', 'title': 'Chemical synapse', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 413, 'bleu_score': 0.891788949662028, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10045576635577882177}, 'section': 'Section::::Abstract.'}]}]