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
Which of the following is not an RNA virus ? 
Select and explain. 
A. Ebola, B. Simian 40, C. Rabies, D. Vesicular stomatitis virus
B: Simian 40
Answer: B: Simian 40 
Explanation: Ans. is 'b' i.e., Simian 40