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': 'Dashboard injury results in \nSelect and explain. \nA. Anterior dislocation of hip, B. Posterior dislocation of hip, C. Central dislocation of hip, D. Fracture neck femur', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Posterior dislocation of hip', 'role': 'assistant'}]