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: Medicine
[{'content': "False about sjogren's syndrome \nSelect and explain. \nA. Kerato conjunctivitis sicca, B. Periductal and Perivascular lymphocytic infilteration, C. Parotid gland biopsy preferred, D. MALToma is most common lymphoma", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Biopsy from Lip is preferred.', 'role': 'assistant'}]