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': 'Functional technique of relining and rebasing utilizes \nSelect and explain. \nA. Functional wax, B. Tissue conditioner, C. ZOE, D. Alginate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]