This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'Gout is a metabolic disorder of \nSelect and explain. \nA. Purine, B. Pyramidine, C. Glycogen, D. Fatty acid oxidation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Question repeated', 'role': 'assistant'}]