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: Pediatrics
[{'content': 'SSPE (subacute sclerosing panencephalitis) is associated with - \nSelect and explain. \nA. Mumps, B. Chickenpox, C. Herpes, D. Measles', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Measles", 'role': 'assistant'}]