input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The "Pulse oximetry" used in the determination of:   (A) Rate of flow   (B) Oxygen saturation   (C) Blood volume   (D) Blood coefficient
output: ['(B) Oxygen saturation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Rate of flow  (B) Oxygen saturation  (C) Blood volume  (D) Blood coefficient <> possible answers', '  The "Pulse oximetry" used in the determination of: <> context']