The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In carrier base gutta percha the plastic carrier size of 40- 90 are made by?   (A) Plastic liquid crystal   (B) Poly propylene   (C) Poly sulphide   (D) Poly sulphone
['(D) Poly sulphone <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Plastic liquid crystal \n (B) Poly propylene \n (C) Poly sulphide \n (D) Poly sulphone <> possible answers', '  In carrier base gutta percha the plastic carrier size of 40- 90 are made by? <> context@']