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': 'True about preauricular sulcus is \nSelect and explain. \nA. Used for determination of race, B. Used for determination of stature, C. Used for determination of sex, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Used for determination of sex", 'role': 'assistant'}]