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
Green shrinkage occurs in 
Select and explain. 
A. Gypsum investment, B. Ethylsilicate bonded investment, C. Phosphate bonded investment, D. Anhydrate of gypsum bonded investment
B: Ethylsilicate bonded investment
Answer: B: Ethylsilicate bonded investment 
Explanation: None