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': 'Polycystic kidney may be assocaited with cyst in all the sites except - \nSelect and explain. \nA. Lung, B. Liver, C. Pancreas, D. Brain', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Brain", 'role': 'assistant'}]