input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In mechanical trituration of amalgam, what is adversely affected ?   (A) Hardness of filling   (B) Tarnish resistance   (C) Working time   (D) Final gloss of the filling
output: ['(C) Working time <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Hardness of filling  (B) Tarnish resistance  (C) Working time  (D) Final gloss of the filling <> possible answers', '  In mechanical trituration of amalgam, what is adversely affected ? <> context']