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': 'The most common complication of intracapsular fracture neck of femur is \nSelect and explain. \nA. Mal union, B. Osteoahritis, C. Non-Union, D. Shoening', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Nonunion', 'role': 'assistant'}]