This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Initial Care of the Burn Patient, Subject name: Surgery
[{'content': 'What is the % Body surface area involved in burns of the perineum? \nSelect and explain. \nA. 1%, B. 3%, C. 5%, D. 9%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) 1%Ref: Sabiston 19th ed. 1523Perineum involved in burns is 1% of body surface area.', 'role': 'assistant'}]