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: Gynaecology & Obstetrics
[{'content': 'Incidence of sterility is maximum in pelvic inflammatory disease caused by : \nSelect and explain. \nA. Staphylococci, B. Streptococci, C. Proteus vulgaris, D. Gonococci', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Gonococci', 'role': 'assistant'}]