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
Varnish is used under which cement? 
Select and explain. 
A. Amalgam, B. ZOE cement, C. Zinc Phosphate Cement, D. Glass Ionomer cement
C: Zinc Phosphate Cement
Answer: C: Zinc Phosphate Cement 
Explanation: None