input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Role of plasticizer in synthetic resins in dentistry is   (A) Increase smoothness   (B) To increase bulk   (C) To prevent polymerisation shrinkage   (D) To reduce softening and fusion temperature
output: ['(D) To reduce softening and fusion temperature <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Increase smoothness  (B) To increase bulk  (C) To prevent polymerisation shrinkage  (D) To reduce softening and fusion temperature <> possible answers', '  Role of plasticizer in synthetic resins in dentistry is <> context']