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': 'One of the following in adult female genital tract is not affected by gonococcal infections : \nSelect and explain. \nA. Vulva, B. Vagina, C. Cervix, D. Fallopian tube', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Vagina', 'role': 'assistant'}]