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: Surgery
[{'content': 'Membranous urethral rupture causes collection of blood in - \nSelect and explain. \nA. Ischiorectal fossa, B. Deep perineal pouch, C. Superficial inguinal region, D. Pelvic diaphragm', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Deep perineal pouch", 'role': 'assistant'}]