This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'True about sipple syndrome is? \nSelect and explain. \nA. MCT, Pheochromocytoma, Mucocutaneous neuromas, B. MCT, Pheochromocytoma, Parathyroid adenomas, C. MCT, Pheochromocytoma, Pancreatic tumours, D. MCT, Pheochromocytoma, Diabetes', 'role': 'user'}, {'content': "Answer: B \nExplanation: MEN 2 (also known as MEN 2a or Sipple's syndrome) Ref - davidsons 23e p689", 'role': 'assistant'}]