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: Medicine
[{'content': 'Normal pressure Hydrocephalus is characterized by all except: \nSelect and explain. \nA. Aphasia, B. Dementia, C. Ataxia, D. Urinary incontinence', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Aphasia): Ataxia, Urinary incontinence & Dementia constitute the characteristic triad of Normal Pressure Hydrocephalus.', 'role': 'assistant'}]