Question: what is an adaptation of a cave dwelling animal
[{'answer': 'slow metabolism', 'provenance': [{'wikipedia_id': '17781024', 'title': 'List of troglobites', 'start_paragraph_id': 2, 'start_character': 103, 'end_paragraph_id': 2, 'end_character': 118, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17781024', 'title': 'List of troglobites', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 752, 'bleu_score': 0.9815648442794911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7663083155908524430}, 'section': 'Section::::Abstract.'}]}]