This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Congenital Dislocation of Hip (C.D.H.), Subject name: Orthopaedics
[{'content': 'Triple deformity of knee includes following except- \nSelect and explain. \nA. Flexion of knee, B. External rotation of tibia, C. Posterior subluxation of tibia, D. Extension of knee', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Extension of knee o Triple deformity1 of knee refers to : -Flexion of kneeExternal rotation of tibiaPosterior subluxation of tibiao Triple deformity is seen in RA, TB of knee and Polio.", 'role': 'assistant'}]