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 viruses composed of two distinct capsids enclosing the double stranded RNA - \nSelect and explain. \nA. Adenovirus, B. Reovirus, C. Herpes virus, D. Myxovirus', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e. Reovirus", 'role': 'assistant'}]