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': 'Umblicated nodules are produced by? \nSelect and explain. \nA. Poxvirus, B. Enterovirus, C. Rhinovirus, D. Myxovirus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Poxvirus Nodules with central umblication is produced in molluscum contagiosum, caused by a Poxvirus.", 'role': 'assistant'}]