This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Conjunctiva, Subject name: Ophthalmology
[{'content': 'Which of the following strain does not cause hyperendemic trachoma \nSelect and explain. \nA. A, B. B, C. C, D. D', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Trachoma Strains * A, B, Ba, C: Hyperendemic trachoma * D, K : Inclusion trachoma Predisposing factors * Usually contracted during early age group * Females have more serious disease * More common in lower socioeconomic status * Outdoor workers are more involved', 'role': 'assistant'}]