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': 'Bilateral Painless parotid enlargement is seen in all except \nSelect and explain. \nA. Mumps, B. Alcoholics, C. Sarcoidosis, D. Diabetes mellitus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Mumps Bilateral parotid enlargement is seen in Viral infectionQ Metabolic causes Endocrinal Sarcoidosis Mumps Diabetes mcuitus Gonadal Amyloidosis Influenza Hyperlipoproteinemia hypofunction Sjogren's syndrome Epstein barr virus Chronic pancreatitis Acromegaly Coxackie virus A Hepatic cirrhosis CMV HIV", 'role': 'assistant'}]