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': 'Earliest sign seen in Acoustic neuroma is- \nSelect and explain. \nA. Facial weakness, B. Unilateral deafness, C. Reduced corneal reflex, D. Cerebellar signs', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Remember:', 'role': 'assistant'}]