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: Ophthalmology
[{'content': 'Phlectenular conjunctivitis is - \nSelect and explain. \nA. Type I reaction, B. Type II reaction, C. Type III reaction, D. Type IV reaction', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer- D. Type IV reactionIt is type IV (delayed) hypersenstivity', 'role': 'assistant'}]