This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Umblicial cord and diaphragm, Subject name: Anatomy
[{'content': "Sub-diaphragmatic right posterior intraperitoneal space is \nSelect and explain. \nA. Lesser sac, B. Morison's pouch, C. Pouch of Douglas, D. Superior pa of supracolic compament", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Right posterior intraperitoneal space (RPIS) or right sub-hepatic space is hepato-renal pouch of Morison. it is most dependent loacation in supine postion', 'role': 'assistant'}]