This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric orthopedics, Subject name: Orthopaedics
[{'content': 'Fairback triangle is seen in DELETE \nSelect and explain. \nA. CDH, B. SCFE, C. Congenital coxa vara, D. Pehes disease', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Repeat question', 'role': 'assistant'}]