This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
[{'content': "Wahin's tumor is found in \nSelect and explain. \nA. Salivary gland, B. Thyroid gland, C. Brunner's gland, D. Adrenal gland", 'role': 'user'}, {'content': 'Answer: A \nExplanation: It is a benign tumour that occurs only in parotid ,usually in the lower pole. SRB,25th,415', 'role': 'assistant'}]