The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following constituents is common in occlusal sealants, bonding agents, composite resins?   (A) BIS GMA   (B) Polymethyl methacrylate   (C) Benzoin methyl ether   (D) Silica filter
['(A) BIS GMA <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) BIS GMA \n (B) Polymethyl methacrylate \n (C) Benzoin methyl ether \n (D) Silica filter <> possible answers', '  Which of the following constituents is common in occlusal sealants, bonding agents, composite resins? <> context@']