input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Klenow fragment is formed by loss of fragment having which activity:   (A) 5'- 3' polymerase   (B) 3'- 5' exonuclease   (C) 5'- 3' exonuclease   (D) 3'- 5' polymerase
output: ["(C) 5'- 3' exonuclease <> answer", 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', "(A) 5'- 3' polymerase  (B) 3'- 5' exonuclease  (C) 5'- 3' exonuclease  (D) 3'- 5' polymerase <> possible answers", '  Klenow fragment is formed by loss of fragment having which activity: <> context']