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: Surgery
Mixed parotid tumour arises from - 
Select and explain. 
A. Epithelium, B. Epithelium + Mesenchymal, C. Mesenchymal, D. None of the above
B: Epithelium + Mesenchymal
Answer: B: Epithelium + Mesenchymal 
Explanation: None