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': 'Junctional epithelium is attached to enamel by: \nSelect and explain. \nA. Reticular fibers, B. Desmosomes, C. Hemidesmosomes, D. Collagen', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]