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': 'Follicle formation may be seen in all of the following except: \nSelect and explain. \nA. Trachoma, B. Vernal keratoconjunctivitis, C. Inclusion conjunctivitis, D. Epidemic keratoconjunctivitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Vernal keratoconjunctivitis', 'role': 'assistant'}]