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': 'A 40 year old man whose both upper limbs are scalded. Percentage of burns are \nSelect and explain. \nA. 36%, B. 19%, C. 18%, D. 45%', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Both UL included 18% of burns according to wallace’s rule of 9.', 'role': 'assistant'}]