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': 'Tardy ulnar nerve palsy seen in -a) Medial condyle # humerusb) Lateral condyle # humerusc) Supracondylar condyle # humerusd) Fracture shaft humerus \nSelect and explain. \nA. a, B. c, C. bc, D. ad', 'role': 'user'}, {'content': "Answer: C \nExplanation: For single answer option `b' is best as lateral condyle fracture is associated more commonly with tardy ulnar nerve palsy than any other cause.", 'role': 'assistant'}]