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': "The granuLomatous tissue that is responsible for destruction of articular surfaces of TMJ in rheumatoid arthritis is known as \nSelect and explain. \nA. Pannus, B. Pulse granuloma, C. Baker's cyst, D. Immune granuloma", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]