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': 'Pseudoeschar formation is seen with \nSelect and explain. \nA. Silver Nitrate, B. Silver sulfadiazine, C. Sulfamylon, D. Mafenide acetate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pseudoeschar is thickened burnt skin due to repeated silver sulphadiazine application.', 'role': 'assistant'}]