input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which growth factor Is not present in PRP?   (A) PDGF aa   (B) PDGF bb   (C) PDGF cc   (D) PDGF Fab
output: ['(C) PDGF cc <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) PDGF aa  (B) PDGF bb  (C) PDGF cc  (D) PDGF Fab <> possible answers', '  Which growth factor Is not present in PRP? <> context']