This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'Paul Bunnell Test is used to detect Infectious mononucleosis caused by \nSelect and explain. \nA. Cytomegaloviruses, B. Epstein Barr Virus, C. Toxoplasmosis, D. Non of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The heterophile Paul - Bunnell test is positive only in disease caused by the EB Virus.', 'role': 'assistant'}]