Question: what is the classification of an instrument that makes sound from a tightly stretched membrane
[{'answer': 'Membranophones', 'provenance': [{'wikipedia_id': '142131', 'title': 'Hornbostel–Sachs', 'start_paragraph_id': 91, 'start_character': 11, 'end_paragraph_id': 91, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Idiophones (1).:Blown idiophones (14).\n'}]}, {'provenance': [{'wikipedia_id': '142131', 'title': 'Hornbostel–Sachs', 'start_paragraph_id': 99, 'start_character': 0, 'end_paragraph_id': 99, 'end_character': 196, 'bleu_score': 0.9321022168949711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11115124566246731257}, 'section': 'Section::::Membranophones (2).\n'}]}]