This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Salivary Gland Neoplasms, Subject name: Surgery
[{'content': 'Treatment of choice of Warthin tumour is? \nSelect and explain. \nA. Radical parotidectomy, B. Superficial parotidectomy, C. Superficial parotidectomy with neck dissection, D. Enucleation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Superficial parotidectomyRef: sabiston Textbook of Surgery, 18th ed chapter 33', 'role': 'assistant'}]