input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In PHC, which anticoagulant is used to send the blood sample for blood glucose:   (A) EDTA   (B) Heparin   (C) Potassium oxalate + sodium fluoride   (D) Potassium oxalate
output: ['(C) Potassium oxalate + sodium fluoride <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) EDTA  (B) Heparin  (C) Potassium oxalate + sodium fluoride  (D) Potassium oxalate <> possible answers', '  In PHC, which anticoagulant is used to send the blood sample for blood glucose: <> context']