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': 'Carpal bone which fracture commonly: \nSelect and explain. \nA. Scaphoid, B. Lunate, C. Hammate, D. Pisciform', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Scaphoid', 'role': 'assistant'}]