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
The strength of the gypsum specimen when the water in excess of that required for the hydrate of the hemihydrate is left in the specimen is called? 
Select and explain. 
A. Dry strength, B. Green strength, C. Water strength, D. Compressive strength
B: Green strength
Answer: B: Green strength 
Explanation: None