This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Incineration is done for waste category ? \nSelect and explain. \nA. Category 7, B. Category 9, C. Category 6, D. Category 5', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Category 6", 'role': 'assistant'}]