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': 'Malgaigne feature is \nSelect and explain. \nA. Shoulder fracture, B. Pelvis fracture, C. Spine fracture, D. Scapular fracture', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]