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: Microbiology
[{'content': 'L1 L2 L3 serovar of chlamydia trachomatis cause ? \nSelect and explain. \nA. Trachoma, B. Inclusion conjuctivitis, C. NGU, D. LGV', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., LGV", 'role': 'assistant'}]