This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': "Envelope of this virus doesn't contains neither hemagglutinin nor neuraminidase \nSelect and explain. \nA. Mumps, B. Para influenza, C. Respiratory syncytial virus, D. Measles virus", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Respiratory syncytial virus-contains no neuraminidase nor hemagglutinin but contain F protein Measles-paramyxo but no neuraminidase Envelope has F protein Ref: Baveja 5th ed Pg: 478', 'role': 'assistant'}]