Question: a noninvasive method to monitor oxygen saturation levels in arterial blood is
[{'answer': 'Pulse oximetry', 'provenance': [{'wikipedia_id': '784642', 'title': 'Pulse oximetry', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '784642', 'title': 'Pulse oximetry', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 435, 'bleu_score': 0.802735708067373, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10380670744954345643}, 'section': 'Section::::Abstract.'}]}]