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': 'Dementia is a feature of which disease? \nSelect and explain. \nA. Whipple, B. Celiac, C. Tropical sprue, D. Chron', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Whipple : Other features are nystagmus, ophthalmoplegia, joint pains.', 'role': 'assistant'}]