This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'Lewy bodies are found in the substantia nigra neurons in \nSelect and explain. \nA. Alzheimer disease, B. Parkinson disease, C. Huntington disease, D. Pick disease', 'role': 'user'}, {'content': "Answer: B \nExplanation: Robbins and cotran Pathologic basis of disease-south asia edition,9 edition *In Parkinson's disease the most prominent histologic correlate is the presence of widespread lewy bodies in neurons in coex and brainstem", 'role': 'assistant'}]