Question: the muscles of facial expression are derived from which of the pharyngeal gill arches
[{'answer': 'second pharyngeal arch', 'provenance': [{'wikipedia_id': '3216879', 'title': 'Pharyngeal arch', 'start_paragraph_id': 43, 'start_character': 4, 'end_paragraph_id': 43, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Second arch.\n'}]}, {'provenance': [{'wikipedia_id': '3216879', 'title': 'Pharyngeal arch', 'start_paragraph_id': 71, 'start_character': 0, 'end_paragraph_id': 71, 'end_character': 276, 'bleu_score': 0.955027111100031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5869991818749327022}, 'section': 'Section::::Muscles derived from the pharyngeal arches.:Second arch.\n'}]}]