Question: which type of theory is the neuman systems model
[{'answer': 'nursing theory', 'provenance': [{'wikipedia_id': '12286364', 'title': 'Neuman systems model', 'start_paragraph_id': 1, 'start_character': 30, 'end_paragraph_id': 1, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12286364', 'title': 'Neuman systems model', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 859, 'bleu_score': 0.9853469949554711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11390569000437365913}, 'section': 'Section::::Abstract.'}]}]