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': 'Syringes and glass ware are sterilized by: \nSelect and explain. \nA. Irradiation, B. Autoclave, C. Hot air owen, D. Cidex', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hot air owen', 'role': 'assistant'}]