input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Serum is:   (A) Plasma-clotting factors   (B) Plasma-fibrin   (C) Blood-RBC   (D) Blood-all cellular elements
output: ['(B) Plasma-fibrin <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Plasma-clotting factors  (B) Plasma-fibrin  (C) Blood-RBC  (D) Blood-all cellular elements <> possible answers', '  Serum is: <> context']