This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thermal injury, Subject name: Forensic Medicine
[{'content': 'A 5 year old has burn on the surface of his body corresponding to the size of his palm. The percentage of burns is? \nSelect and explain. \nA. 1%, B. 5%, C. 10%, D. 9%', 'role': 'user'}, {'content': "Answer: A \nExplanation: Reff: The snopsis of forensic medicine& Toxicology 28th edition pg: 165 Palmar surface of patient's hand is about 1% of body surface area.", 'role': 'assistant'}]