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 is not a property of resin ionomer restorative material \nSelect and explain. \nA. It is a dual cure polymerization system, B. It is radiolucent, C. It releases fluoride, D. It adheres to the dentin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]