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': 'Maximum stridor is seen in - \nSelect and explain. \nA. Unilateral incomplete paralysis, B. Bilateral incomplete paralysis, C. Unilateral complete paralysis, D. Bilateral complete paralysis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]