input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Minimum concentration of oxygen needed in NO analgesia   (A) 10%   (B) 20%   (C) 30%   (D) 40%
output: ['(C) 30% <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 10%  (B) 20%  (C) 30%  (D) 40% <> possible answers', '  Minimum concentration of oxygen needed in NO analgesia <> context']