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: Orthopaedics
[{'content': 'Holstein lewis sign is related which nerve? \nSelect and explain. \nA. Median, B. Axillary, C. Ulnar, D. Radial', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A\xa0Holstein–Lewis fracture\xa0is a\xa0fracture\xa0of the\xa0distal\xa0third of the\xa0humerus\xa0resulting in\xa0entrapment\xa0of the\xa0radial nerve.', 'role': 'assistant'}]