Question: where does the pulmonary artery take blood to
[{'answer': 'the lungs', 'provenance': [{'wikipedia_id': '509921', 'title': 'Pulmonary artery', 'start_paragraph_id': 1, 'start_character': 129, 'end_paragraph_id': 1, 'end_character': 138, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '509921', 'title': 'Pulmonary artery', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 344, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8090762969518335815}, 'section': 'Section::::Abstract.'}]}]