input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is not used as an antiflux?   (A) Graphite   (B) Boric acid   (C) Iron oxide   (D) Calcium carbonate with alcohol
output: ['(B) Boric acid <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Graphite  (B) Boric acid  (C) Iron oxide  (D) Calcium carbonate with alcohol <> possible answers', '  Which of the following is not used as an antiflux? <> context']