This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infections of the genital tract, Subject name: Gynaecology & Obstetrics
[{'content': 'Causative organism of acute salpingitis silently : \nSelect and explain. \nA. Streptococcus, B. Neisseria, C. Chlamydia, D. Ureaplasma', 'role': 'user'}, {'content': "Answer: C \nExplanation: chlamydia remains silently without any symptoms or with minimal symptoms in endocervix for a long time before noticed and hence damge with more when compared to gonoccocal infection Reference: Shaw's textbook of Gynaecology 16th edition page no 177", 'role': 'assistant'}]