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: Pathology
[{'content': "Sclerosing cholangitis is associated with ? \nSelect and explain. \nA. Ulcerative colitis, B. Celiac sprue, C. Wilson's disease, D. Whipple's disease", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is \'a\' i.e., Ulcerative colitiso Its seem to be associated with ulcerative colitis and occasionally Crohn\'s disease (Ulcerative colitis seen in approx 2/3" of patients of PSC).', 'role': 'assistant'}]