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': 'In which type of fracture, the tuber-joint angle is reduced to about half \nSelect and explain. \nA. Crush fracture of calcaneum, B. Fracture neck of humerus, C. Dislocation of shoulder, D. Spilt fracture of calcaneum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Crush fracture of calcaneum', 'role': 'assistant'}]