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': 'True for superficial burns: \nSelect and explain. \nA. Always require skin grafting, B. Dry & inelastic, C. Blister formation, D. Painless', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Blister formation', 'role': 'assistant'}]