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': 'Maximum shoening of limbs occur in: \nSelect and explain. \nA. Trochantric femur, B. Post dislocation of hip, C. neck femur, D. Anterior dislocation of hip', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Posterior dislocation of hip', 'role': 'assistant'}]