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
Plastic carrier size of 40-90 in carrier base Gutta percha are made from? 
Select and explain. 
A. Poly propylene, B. Poly Sulphone, C. Poly Sulphide, D. Liquid crystal plastic
B: Poly Sulphone
Answer: B: Poly Sulphone 
Explanation: None