input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Mechanism of adhesion of GIC restoration with tooth surface is by means of?   (A) Carboxyl group   (B) Chelates with Metal Ions   (C) C=C double bond   (D) Polymer Chains
output: ['(A) Carboxyl group <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Carboxyl group  (B) Chelates with Metal Ions  (C) C=C double bond  (D) Polymer Chains <> possible answers', '  Mechanism of adhesion of GIC restoration with tooth surface is by means of? <> context']