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': 'Epithelial lining of Baholins duct is : \nSelect and explain. \nA. Columnar, B. Transitional, C. Cuboidal, D. Squamous', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Transitional Epithelium', 'role': 'assistant'}]