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': 'Sharp instruments may be sterilized with ? \nSelect and explain. \nA. Radiation, B. Lysol, C. Hot air, D. Any of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Hot air", 'role': 'assistant'}]