This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pathology
[{'content': "Neuro fibrillary tangles is seen in \nSelect and explain. \nA. Parkinsonism, B. Alzheimer's disease, C. Multiple sclerosis, D. Perivenous encephalomyelitis", 'role': 'user'}, {'content': "Answer: B \nExplanation: (Alzheimer's disease) (910-HM) (894-Basic pathology 8th)* Deposition of A b amyloid derived from amyloid precursor protein (APP) forming neuritic senile, plaques and neurofibrillary tangles - features of ALZHEIMER'S DISEASE* Lewy bodies - hall marks of Parkinsonism", 'role': 'assistant'}]