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': 'Epithelial cells which ultimately keratinize are known as: \nSelect and explain. \nA. Keratinizing cells, B. Melanocytes, C. Non-keratinizing cells, D. Clear cells', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]