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': 'Positive sense nucleic acid genome is found in ? \nSelect and explain. \nA. Polio virus, B. Papovavirus, C. Influenza, D. All', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Polio virus . Picorna virus has positive strand RNA. . Polio virus is a picorna virus.", 'role': 'assistant'}]