Question: the neurotransmitter used at the neuromuscular junction (nmj) is
[{'answer': 'Acetylcholine', 'provenance': [{'wikipedia_id': '681908', 'title': 'Neuromuscular junction', 'start_paragraph_id': 10, 'start_character': 11, 'end_paragraph_id': 10, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Structure and function.:Quantal transmission.\n'}]}, {'provenance': [{'wikipedia_id': '681908', 'title': 'Neuromuscular junction', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 977, 'bleu_score': 0.9863473221773311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1578767201436568538}, 'section': 'Section::::Structure and function.:Acetylcholine receptors.\n'}]}]