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': 'The voice is not affected in - \nSelect and explain. \nA. Unilateral abductor palsy, B. Unilateral adductor palsy, C. Partial abductor palsy, D. Total adductor palsy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None of the given option is correct.\nOnly paralysis in which voice is not affected is bilateral abductor paralysis.\nBut in this question you can go ahead with unilateral abductor paralysis.\nThough the voice is affected in early stages of unilateral abductor paralysis, it gradually improves due to compensation by the healthy cord which crosses the midline to meet the paralysed one.', 'role': 'assistant'}]