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': 'Which among the following is not pre-malignant ? \nSelect and explain. \nA. Ulcerative colitis, B. Peutz-jeghers syndrome, C. Villous adenoma, D. Familial adenomatoses polyopsis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Peutz-jeghers syndrome", 'role': 'assistant'}]