Question: infections that originate in hospitals are known as
[{'answer': 'hospital - acquired infection', 'provenance': [{'wikipedia_id': '875883', 'title': 'Hospital-acquired infection', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '875883', 'title': 'Hospital-acquired infection', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1146, 'bleu_score': 0.974147746800293, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15017088864950611992}, 'section': 'Section::::Abstract.'}]}]