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': 'Epstien Barr virus causes all the following except: \nSelect and explain. \nA. Infectious mononucleosis, B. Measles, C. Nasopharyngeal carcinoma, D. Non-Hodgkins lymphoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Measles', 'role': 'assistant'}]