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': 'Specific test for gout is - \nSelect and explain. \nA. Raised serum uric acid level, B. Raised uric acid in synovial fluid of joint, C. Raised urea level, D. Raised urease enzyme level', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]