This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Ophthalmology
[{'content': 'Conjunctival follicle in trachoma will show \nSelect and explain. \nA. Plasma cell, B. Epithelioid cells, C. Lymphocytes, D. Mast cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lymphoid follicles on the palpebral conjunctiva of the uppereyelid.', 'role': 'assistant'}]