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 is used as inhibitor in the composition of composite? \nSelect and explain. \nA. Para-toluidine, B. Butylated hydroxy toluene, C. Methyl ether, D. Tertiary amine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Butylated hydroxy toluene inhibits polymerization during storage.', 'role': 'assistant'}]