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': 'Most common malignant tumour of parotid is? \nSelect and explain. \nA. Adenoid Cystic, B. Warthin tumour, C. Mucoepidermoid carcinoma, D. Adenocarcinoma', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Mucoepidermoid carcinoma - o Repeat from previous sessions", 'role': 'assistant'}]