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': 'True regarding laryngeal TB is? \nSelect and explain. \nA. Commonly involves anterior 2/3 rd of vocal cord, B. Mouse-nibbled vocal cord, C. More common in males, D. None of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Mouse-nibbled vocal cord", 'role': 'assistant'}]