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': 'Commonest salivary gland tumour in children - \nSelect and explain. \nA. Lymphoma, B. Adenoid cystic Ca, C. Pleomorphic adenoma, D. Mucoepidermoid Ca.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Most common tumor of salivary gland in children - Hemangioma.\nMost common malignant tumor of salivary gland in children - Mucoepidermoid Carcinoma.\nAfter hemangioma, pleomorphic adenoma is the most Common salivary gland neoplasm.', 'role': 'assistant'}]