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': 'Rule of 9 burns is used to denote - \nSelect and explain. \nA. Depth of burns, B. % of total body surface area, C. Severity of burns, D. Type of burns', 'role': 'user'}, {'content': 'Answer: B \nExplanation: RULE OF NINE: The estimation of the surface area of the body involved is usually worked out by the rule of nine. It is applied for adults. REF: The Synopsis of the Forensic Medicine and Toxicology 29th edition page no: 160.', 'role': 'assistant'}]