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: Unknown
[{'content': 'According to "Rule of 9 of Wallace" for an adult multiple-Burns patient, Percentage of burns in perineum is considered to be __% of Body Surface Area : \nSelect and explain. \nA. 1%, B. 5%, C. 9%, D. 14%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans- A According to "rule of nine" 1. Each upper limb is 9% 2. Each lower limb is 18% 3. Torso is 18% each side 4. Head and neck 9% 5. Perineum 1 % Note -Patient\'s whole hand is 1 % TBSA and is useful guide in small burn.', 'role': 'assistant'}]