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': 'All are paired cartilage of larynx except - \nSelect and explain. \nA. Arytenoid, B. Corniculate, C. Cuneiform, D. Cricoid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Unpaired : - Thyroid, cricoid, epiglottis.\nPaired : - Arytenoid, Corniculate, cuneiform', 'role': 'assistant'}]