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: Pathology
[{'content': 'Which of the following statement is not true about Gout? \nSelect and explain. \nA. Alcohol is a risk factor for the disease, B. Tophi is characteristic of gout, C. Great toe is most commonly affected, D. Aspiration shows urate crystals which are needle shaped and positively birefringent', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Aspiration in acute gout shows\xa0 diagnostic finding of needle shaped negatively-birefringent uric acid crystals(yellow when parallel to the axis )', 'role': 'assistant'}]