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: Microbiology
[{'content': 'Disinfection of sputum is done by - \nSelect and explain. \nA. Boiling, B. Autoclaving, C. Burning, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'a' i.e., Boiling; 'b' i.e., Autoclaving; 'c' i.e., Burning", 'role': 'assistant'}]