This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
[{'content': 'Which of the following types of pancreatitis has the best prognosis - \nSelect and explain. \nA. Alcoholic pancreatitis, B. Gall stone pancreatitis, C. Post operative pancreatitis, D. Idiopathic pancreatitis', 'role': 'user'}, {'content': "Answer: B \nExplanation: The prognosis is best in patients where pancreatitis is caused by a remediable cause such as cholelithiasis. `Eradication of gall stone disease' prevents fuher attacks of pancreatitis - Ref : Oxford textbooks of surgery 2nd/e p. 1766", 'role': 'assistant'}]