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': 'The covering over an omphalocele is - \nSelect and explain. \nA. Skin, B. Amniotic membrane, C. Chorionic membrane, D. None of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Amniotic membrane The covering is made up of 2 layers - an outer layer of amniotic membrane & an inner layer of peritoneum.", 'role': 'assistant'}]