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': 'In laminate technique \nSelect and explain. \nA. Agar tray material and Alginate syringe material is used, B. Alginate tray material and Agar syringe material is used, C. Both can be used, D. none of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]