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: Anatomy
[{'content': 'In a post polio case, ilio-tibial tract contracture is likely to result in : \nSelect and explain. \nA. Extension at the hip and knee, B. Extension at the hip, C. Flexion at the hip and the knee, D. Extension at the knee', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Flexion of hip & knee', 'role': 'assistant'}]