This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peripheral Nerve Injuries, Subject name: Orthopaedics
[{'content': 'Nerve involved in foot drop is? \nSelect and explain. \nA. Deep peroneal, B. Common peroneal, C. Anterior tibial, D. Posterior tibial', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) Common peronealRef.'.Gray's Anatomy 39th ed Grant's Atlas of Anatomy, 12th ed p-428", 'role': 'assistant'}]