Question: where does blood go after the pulmonary artery
[{'answer': 'lungs', 'provenance': [{'wikipedia_id': '598465', 'title': 'Pulmonary circulation', 'start_paragraph_id': 1, 'start_character': 151, 'end_paragraph_id': 1, 'end_character': 156, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '598465', 'title': 'Pulmonary circulation', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 226, 'bleu_score': 0.943604326170661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18331087756369723890}, 'section': 'Section::::Structure.:Arteries.\n'}]}]