This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'All may be associated with Sicca syndrome except \nSelect and explain. \nA. Scleroderma, B. Rheumatoid ahritis, C. Midline granuloma, D. lymphadenopathy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref - Davidsons 23e p1039', 'role': 'assistant'}]