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': 'Best specimen of bone for sex determination is - \nSelect and explain. \nA. Femur, B. Pelvis, C. Skull, D. Mandible', 'role': 'user'}, {'content': 'Answer: B \nExplanation: According to Krogman, the degree of accuracy in sexing adult skull remains is: Entire skeleton 100% Pelvis alone 95% Skull alone 90% Pelvis plus skull 98% Long bones alone 80% Dr. Narayana Reddys Synopsis of Forensic Medicine & Toxicology 27th edition pg. 30.', 'role': 'assistant'}]