This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver & Biliary Tract, 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. (a) Ulcerative colitis(Ref: Robbins 9th/pg 859-860)PSC is commonly seen in association with inflammatory bowel disease particularly chronic ulcerative colitis, which coexists in approximately 70% of individuals with primary sclerosing cholangitis.Conversely, the prevalence of PSC in persons with ulcerative colitis is about 4%.', 'role': 'assistant'}]