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': 'All are true associations of ulcerative colitis except - \nSelect and explain. \nA. Ertythema nodosum, B. Circinate balanitis, C. Sclerosing cholangitis, D. Aphthous stomatitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: • Circinate balanitis is seen in Reiter’s syndrome, not in ulcerative colitis.', 'role': 'assistant'}]