input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following markers is not used in quadruple test for antenatal detection of Down syndrome?   (A) AFP   (B) ss-hCG   (C) Estradiol   (D) Inhibin
output: ['(C) Estradiol <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) AFP  (B) ss-hCG  (C) Estradiol  (D) Inhibin <> possible answers', '  Which of the following markers is not used in quadruple test for antenatal detection of Down syndrome? <> context']