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': 'Dendritic cell located in the stratified squamous keratinizing epithelium of the oral cavity include \nSelect and explain. \nA. Keratinocytes, B. Mast cells, C. Melanocytes, D. Myoepithelial cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]