input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which among the following is used for sharpening of both stainless steel and carbon steel instrument:   (A) Arkansas.   (B) Silicon carbide.   (C) Alumina.   (D) Diamond.
output: ['(D) Diamond. <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Arkansas.  (B) Silicon carbide.  (C) Alumina.  (D) Diamond. <> possible answers', '  Which among the following is used for sharpening of both stainless steel and carbon steel instrument: <> context']