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': "Not a feature of dequervan's disease: \nSelect and explain. \nA. Autoimmune in etiology, B. TESR, C. Tends to regress spontaneousl, D. Painful & associated with enlargements of thyroid", 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is A (Autoimmune etiology) De Quervain's Thyroiditis is viral in origin (and not autoimmune). Symptoms usually follow an upper respiratory tract infection.", 'role': 'assistant'}]