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: Unknown
[{'content': 'The epithelial lining of the urethra below the opening of the ejaculatory ducts is - \nSelect and explain. \nA. Stratified cuboidal epithelium, B. Stratified columnar epithelium, C. Transitional epithelium, D. Stratified squamous epithelium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans-Stratified columnar epithelium', 'role': 'assistant'}]