input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Chromium is used in stainless steel for which purpose?   (A) Corrosion resistance   (B) Increases the lustre of stainless steel   (C) Stabilization of the alloy   (D) Increases the hardness of steel
output: ['(A) Corrosion resistance <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Corrosion resistance  (B) Increases the lustre of stainless steel  (C) Stabilization of the alloy  (D) Increases the hardness of steel <> possible answers', '  Chromium is used in stainless steel for which purpose? <> context']