This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal Radiology, Subject name: Radiology
[{'content': 'Doges Cap Sign is ? \nSelect and explain. \nA. Air under Diaphragm, B. Air in Morrisons Pouch, C. Air on either side of Bowel Wall, D. Air under central tendon of Diaphgram', 'role': 'user'}, {'content': 'Answer: B \nExplanation: A) Air in Morrisons Pouch - Doges Cap Sign. B) Air on either side of Bowel Wall - Riglers Sign. C) Air under central tendon of Diaphgram - Cupola Sign.', 'role': 'assistant'}]