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': 'Laryngocele arises from - \nSelect and explain. \nA. Anterior commisure, B. Saccule of the ventricle, C. True cords, D. False cords', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]