This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
[{'content': 'Irvin Moore sign is positive in \nSelect and explain. \nA. Adenoid hyperophy, B. Acute tonsillitis, C. Chronic tonsillitis, D. Epiglottitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Irwin-Moore sign:- Expression of cheesy material from the tonsil, on pressing anterior pillar seen in case of chronic tonsillitis. Ref:- Textbook of ENT, Hazarika; pg num:- 480', 'role': 'assistant'}]