Question: removal of excretory products from the human body
[{'answer': 'Excretion', 'provenance': [{'wikipedia_id': '255468', 'title': 'Excretion', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '255468', 'title': 'Excretion', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 467, 'bleu_score': 0.881634689686518, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17803518636486952928}, 'section': 'Section::::Abstract.'}]}]