This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjunctiva, Subject name: Ophthalmology
[{'content': 'Giant papillary Conjunctivitis is seen in - \nSelect and explain. \nA. Contact lens user, B. Trachoma, C. Spring Cattarh, D. Mycotic corneal ulcer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Giant papillary conjunctivitis is a complication of contact lens use. Reference : Donshik, P.C. (2003). Contact lens chemistry and giant papillary onjunctivitis.', 'role': 'assistant'}]