This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification, Subject name: Forensic Medicine
[{'content': 'Pre-auricular sulcus helps in detection of - \nSelect and explain. \nA. Age, B. Sex, C. Race, D. Height', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pre auricular sulcus is more frequent, broad and deep in female pelvis as compared to male. ref : Dr. Narayana Reddys Synopsis of Forensic Medicine & Toxicology 27 th edition pg. 32.', 'role': 'assistant'}]