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': 'Protein making up the bulk of keratohyaline granules in stratum granulosum of keratinized epithelium is \nSelect and explain. \nA. Involucrin, B. Vinculin, C. Filaggrin, D. Nectin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]