This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexually transmitted diseases, Subject name: Dental
[{'content': 'HLA associated with Dermatitis herpetiformis is \nSelect and explain. \nA. HLA A5, B. HLA B27, C. HLA B8, D. HLA A28', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref:- Sima Jain; pg num:- 25', 'role': 'assistant'}]