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': 'Parvovirus BI 9 does not cause - \nSelect and explain. \nA. Roseola infantum, B. Aplastic anemia in sickle cell disease, C. Fetal hydrops, D. All', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is `a' i.e., Roseola infantum", 'role': 'assistant'}]