This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Myxo Viruses, Subject name: Microbiology
[{'content': 'Hemagglutination showing viruses are? \nSelect and explain. \nA. Respiratory syncytial virus, B. Influenza virus, C. Paramyxo virus, D. None of these', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Influenza virusRef: Jawetz 24/e, chapter various chapters', 'role': 'assistant'}]