Question: name four instruments that belong to the brass family
[{'answer': 'trombone', 'provenance': [{'wikipedia_id': '4940', 'title': 'Brass instrument', 'start_paragraph_id': 40, 'start_character': 599, 'end_paragraph_id': 40, 'end_character': 607, 'bleu_score': 1.0, 'section': 'Section::::Valves.\n'}]}, {'answer': 'trumpet', 'provenance': [{'wikipedia_id': '4940', 'title': 'Brass instrument', 'start_paragraph_id': 55, 'start_character': 8, 'end_paragraph_id': 55, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Valves.:Tuning compensation.\n'}]}, {'answer': 'horn', 'provenance': [{'wikipedia_id': '4940', 'title': 'Brass instrument', 'start_paragraph_id': 3, 'start_character': 257, 'end_paragraph_id': 3, 'end_character': 261, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'tuba', 'provenance': [{'wikipedia_id': '4940', 'title': 'Brass instrument', 'start_paragraph_id': 41, 'start_character': 548, 'end_paragraph_id': 41, 'end_character': 552, 'bleu_score': 1.0, 'section': 'Section::::Valves.\n'}]}, {'provenance': [{'wikipedia_id': '4940', 'title': 'Brass instrument', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 783, 'bleu_score': 0.6969556975516771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15576907972482284479}, 'section': 'Section::::Families.\n'}]}]