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: Pharmacology
[{'content': 'Which among the following anti-gout drugs can precipitate an attack of acute Gouty ahritis? \nSelect and explain. \nA. Colchicine, B. Probenecid, C. Allopurinol, D. Sulfinpyrazne', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Allopurinol', 'role': 'assistant'}]