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: Forensic Medicine
[{'content': 'Head and neck burns in infant constitute _____________of burns: Kerala 08 \nSelect and explain. \nA. 9, B. 18, C. 24, D. 36', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. 18', 'role': 'assistant'}]