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': 'Treatment of displaced transverse fracture of patella - \nSelect and explain. \nA. POP, B. Tension band wiring, C. Screw, D. Patellectomy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Treatment of choice for displaced two-part fracture is TBW.', 'role': 'assistant'}]