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': "Protein involved in Alzheimer's disease : \nSelect and explain. \nA. Apo E gene, B. Presel in - II, C. Amyloid poion, D. All", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Apo E gene', 'role': 'assistant'}]