Question: where is carbon dioxide produced in the cell
[{'answer': 'cristae of the mitochondria', 'provenance': [{'wikipedia_id': '12219719', 'title': 'Cellular waste product', 'start_paragraph_id': 27, 'start_character': 40, 'end_paragraph_id': 27, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Secretion and effects of waste products.\n'}]}, {'provenance': [{'wikipedia_id': '12219719', 'title': 'Cellular waste product', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 163, 'bleu_score': 0.9214109120166031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12492228625616165647}, 'section': 'Section::::Secretion and effects of waste products.\n'}]}]