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': 'Which of the following is not an RNA Virus: \nSelect and explain. \nA. Simian virus 40, B. Ebola, C. Rabies, D. Parainfluenza', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Simian virus 40', 'role': 'assistant'}]