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: Surgery
[{'content': 'In phaeochromocytoma, the urine will contain ? \nSelect and explain. \nA. VMA, B. HIAA, C. Both, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., VMA", 'role': 'assistant'}]