This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'In the grading of trachoma, trachomatous inflammation - follicular is defined as the presence of - \nSelect and explain. \nA. 5 or more follicles in the lower tarsal conjunctiva, B. 3 or more follicles in the lower tarsal conjunctiva, C. 5 or more follicles in the upper tarsal conjunctiva, D. 3 or more follicles in the upper tarsal conjunctiva', 'role': 'user'}, {'content': 'Answer: C \nExplanation: <p> Five or more follicles in the upper tarsal conjunctiva . Reference:National Health Programs of India by Dr.J.Kishore,7th edition,pg no:368. <\\p>', 'role': 'assistant'}]