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': 'False about vagina is : \nSelect and explain. \nA. Paly or wholly derived from urogenital sinus, B. Rich in glands, C. Lined by stratified epithelium, D. Posterior fornix longer than anterior fornix', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rich in glands', 'role': 'assistant'}]