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': 'Onion peel appearance of splenic capsule is seen in: \nSelect and explain. \nA. SLE, B. Scleroderma, C. RA, D. Sjogrens', 'role': 'user'}, {'content': 'Answer: A \nExplanation: SLE', 'role': 'assistant'}]