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': 'Horner Trantas dots are a very characteristic feature of: March 2013 (b) \nSelect and explain. \nA. Trachoma, B. Vernal keratoconjunctivitis, C. Phlyctenular conjunctivitis, D. Atopic keratoconjunctivitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B i.e. Vernal keratoconjunctivitis', 'role': 'assistant'}]