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': 'Dawson disease is \nSelect and explain. \nA. SSPE, B. Acute disseminated encephalomyelitis, C. Neuromyelitis optica, D. Paralysis agitans', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. SSPESSPE is ako known as Dawson encephalitis and measles encephalitis.', 'role': 'assistant'}]