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': 'Surgical indications in inflammatory bowel diseases are A/E : \nSelect and explain. \nA. Obstruction, B. Perianal complication, C. Extraintestinal complication, D. Stricture', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]