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': 'TIGAR-O classification is for \nSelect and explain. \nA. Acute pancreatitis, B. Chronic pancreatitis, C. Pancreatic cancer, D. Pancreatic injuries', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Chronic pancreatitis Classification of various causes of chronic pancreatitis based on TIGAR-O system TIGAR-O consists of Toxic metabolites Idiopathic Genetic Autoimmune Recurrent severe Obstructive Ref: Sabiston 20th edition Pgno :1531-1536', 'role': 'assistant'}]