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': 'Exomphalos is a disease involving - \nSelect and explain. \nA. Umbilicus, B. Cervix, C. Abdominal wall, D. Urinary bladder', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Abdominal wall", 'role': 'assistant'}]