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: Surgery
[{'content': "Chemical cauterization in odontogenic keratocyst\nis done by \nSelect and explain. \nA. Hydrogen peroxide, B. Carnoy's solution, C. Superoxide solution, D. Betadine", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]