input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Amalgam restorations give the best clinical service when the residual mercury content is:   (A) 38-42%   (B) 48-52%   (C) 58-62%   (D) 68-72%
output: ['(B) 48-52% <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 38-42%  (B) 48-52%  (C) 58-62%  (D) 68-72% <> possible answers', '  Amalgam restorations give the best clinical service when the residual mercury content is: <> context']