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: Dental
[{'content': 'Epithelium of oral mucous membrane is \nSelect and explain. \nA. Keratinized, B. Non keratinized, C. Ortho, para and non keratinized, D. Only para keratinized', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]