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: ENT
[{'content': 'Ramsay Hunt syndrome is caused by - \nSelect and explain. \nA. H. simplex, B. H.zoster, C. Influenza, D. Adenovirus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It is lower motor neuron type of facial palsy due to Varicella (herpes) zoster.', 'role': 'assistant'}]