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: Pathology
[{'content': 'In which one of the following salivary gland tumors, the tumoris composed of "intermediate cells" histologically? \nSelect and explain. \nA. Adenoid cystic carcinoma, B. Mucoepidermoid carcinoma, C. Pleomorphic adenoma, D. Warthin\'s tumour', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]