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: Psychiatry
[{'content': "All are examples of coical dementia except \nSelect and explain. \nA. Alzheimer's disease, B. Multiple sclerosis, C. Creutzfeldt Jacob disease, D. Pick's disease", 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e Multiple sclerosis', 'role': 'assistant'}]