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: Microbiology
[{'content': 'Exanthema subitum is caused by ? \nSelect and explain. \nA. HHV-6, B. HHV-8, C. Parvovirus, D. Coxsackievirus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., HHV-6 HHV-6 causes roseola infantum (also called exanthema subitum or sixth disease).", 'role': 'assistant'}]