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': 'A laminate impression technique utilizes: \nSelect and explain. \nA. Syringe agar and chilled tray alginate, B. Syringe agar and tray agar, C. Syringe agar and impression compound, D. Chilled alginate and impression compound', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]