Question: high level clouds that are mainly composed of ice crystals
[{'answer': 'Cirrus clouds', 'provenance': [{'wikipedia_id': '47510', 'title': 'Cirrus cloud', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47510', 'title': 'Cirrus cloud', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 825, 'bleu_score': 0.8927579572419101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15883897025297820525}, 'section': 'Section::::Formation.\n'}]}]