Question: what are the criteria for something to be considered living
[{'answer': 'maintain homeostasis', 'provenance': [{'wikipedia_id': '18393', 'title': 'Life', 'start_paragraph_id': 2, 'start_character': 129, 'end_paragraph_id': 2, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'are composed of cells', 'provenance': [{'wikipedia_id': '18393', 'title': 'Life', 'start_paragraph_id': 2, 'start_character': 151, 'end_paragraph_id': 2, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'undergo metabolism', 'provenance': [{'wikipedia_id': '18393', 'title': 'Life', 'start_paragraph_id': 2, 'start_character': 193, 'end_paragraph_id': 2, 'end_character': 211, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'can grow', 'provenance': [{'wikipedia_id': '18393', 'title': 'Life', 'start_paragraph_id': 2, 'start_character': 213, 'end_paragraph_id': 2, 'end_character': 221, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'adapt to their environment', 'provenance': [{'wikipedia_id': '18393', 'title': 'Life', 'start_paragraph_id': 2, 'start_character': 223, 'end_paragraph_id': 2, 'end_character': 249, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'respond to stimuli', 'provenance': [{'wikipedia_id': '18393', 'title': 'Life', 'start_paragraph_id': 2, 'start_character': 251, 'end_paragraph_id': 2, 'end_character': 269, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'and reproduce'}, {'answer': 'However , many other biological definitions have been proposed'}]