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': 'Cause of acute pancreatitis all EXCEPT: March 2013 (g) \nSelect and explain. \nA. Gallstones, B. Alcohol, C. Starvation, D. Hypercalcemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Starvation', 'role': 'assistant'}]