This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pathology
[{'content': "Anti-Saccharomyces cerevisiae antibodies ares seen in? \nSelect and explain. \nA. Crohn's disease, B. Scleroderma, C. SLE, D. Sjogren's syndrome", 'role': 'user'}, {'content': "Answer: A \nExplanation: Anti-Saccharomyces cerevisiae antibodies (ASCA) in Crohn's disease are associated with disease severity but not NOD2/CARD15 mutations REFERANCE. nih.gov", 'role': 'assistant'}]