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': 'Sputum can be disinfected by all except? \nSelect and explain. \nA. Autoclaving, B. Boiling, C. Cresol, D. Chlorhexidine', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans is 'd' i.e., Chlorhexidine Sputum is disinfected by boiling, autoclaving, incineration, deep hole burning, 5% phenol or 5% cresol.", 'role': 'assistant'}]