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': "A 60 year old male presents with a 2 day history of a severe left ear ache with a burning sensation in the ear and loss of taste. There is left sided weakness of both upper and lower facial muscles. Facial sensation is normal. A few vesicles are seen in the pharynx. What is the most likely diagnosis? \nSelect and explain. \nA. Bell's palsy, B. Acoustic neuroma, C. Diphtheria, D. Ramsay Hunt syndrome", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]