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': 'Most malignant tumor of salivary glands - \nSelect and explain. \nA. Pleomorphic adenoma, B. Wahin tumor, C. Adenoid cystic carcinoma, D. Acinic cell tumor', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Adenoid cystic carcinoma", 'role': 'assistant'}]