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': 'Treatment for benign tumor of superficial lobe is \nSelect and explain. \nA. Superficial parotidectomy, B. Enucleation, C. Complete parotidectomy, D. Observation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: All tumors of the superficial lobe of the parotid gland are treated by superficial parotidectomy.', 'role': 'assistant'}]