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': 'Which of the following Toll-like receptor is most specific for bacterial recognition? \nSelect and explain. \nA. TLR-1, B. TLR-2, C. TLR-3, D. TLR-4', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Lipopolysaccharide is an integral part of Gram negative bacterial cell wall.', 'role': 'assistant'}]