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': "In Alzheimer's disease (AD) which of the following is not seen: \nSelect and explain. \nA. Aphasia, B. Acalculia, C. Agnosia, D. Apraxia", 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Acalculia', 'role': 'assistant'}]