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: Pathology
[{'content': 'Presence of Epstein Barr virus in hairy Leukoplakia can be demonstrated using following methods EXCEPT - \nSelect and explain. \nA. Tzanck smear, B. Polymerase chain reaction, C. In situ hybridization, D. Electron microscopy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]