This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries Around Shoulder, Subject name: Orthopaedics
[{'content': 'Most common bone fracture in body is: \nSelect and explain. \nA. Radius, B. Clavicle, C. Femur, D. Vertebra', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: b (Clavicle)Ref: Maheshwari Ortho, 3rd ed, p. 73', 'role': 'assistant'}]