Question: where is arachidonic acid stored in the body
[{'answer': 'brain', 'provenance': [{'wikipedia_id': '267909', 'title': 'Arachidonic acid', 'start_paragraph_id': 6, 'start_character': 222, 'end_paragraph_id': 6, 'end_character': 227, 'bleu_score': 1.0, 'section': 'Section::::Biology.\n'}]}, {'answer': 'muscles', 'provenance': [{'wikipedia_id': '267909', 'title': 'Arachidonic acid', 'start_paragraph_id': 6, 'start_character': 229, 'end_paragraph_id': 6, 'end_character': 236, 'bleu_score': 1.0, 'section': 'Section::::Biology.\n'}]}, {'answer': 'liver', 'provenance': [{'wikipedia_id': '267909', 'title': 'Arachidonic acid', 'start_paragraph_id': 6, 'start_character': 242, 'end_paragraph_id': 6, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Biology.\n'}]}, {'answer': 'Skeletal muscle', 'provenance': [{'wikipedia_id': '267909', 'title': 'Arachidonic acid', 'start_paragraph_id': 6, 'start_character': 249, 'end_paragraph_id': 6, 'end_character': 264, 'bleu_score': 1.0, 'section': 'Section::::Biology.\n'}]}, {'answer': "membranes of the body 's cells"}, {'provenance': [{'wikipedia_id': '267909', 'title': 'Arachidonic acid', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 393, 'bleu_score': 0.9291747422288781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16099448303538366031}, 'section': 'Section::::Biology.\n'}]}]