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: Surgery
[{'content': "All of the following are example of pick type of elevator except: \nSelect and explain. \nA. Crane pick, B. Root tip pick, C. Cryer's elevator, D. Apex elevator", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]