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': "Which of the following is / are autoimmune disease: \nSelect and explain. \nA. Sjogren's syndrome., B. Mikulicz's disease., C. Rheumatoid arthritis., D. All of the above.", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rheumatoid arthritis is reported in about 15 percent cases of Sjogren’s syndrome.', 'role': 'assistant'}]