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': 'Cephalic index is useful for determination of - \nSelect and explain. \nA. Age, B. Sex, C. Race, D. Religion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cephalic index is used for determination of race.', 'role': 'assistant'}]