input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** For the calculation of the positive predictive value of a screening test, the denominator is comprised of:   (A) True+ves + False-ves   (B) False+ves + True-ves   (C) True+ves + False+ves   (D) True+ves + True-ves
output: ['(C) True+ves + False+ves <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) True+ves + False-ves  (B) False+ves + True-ves  (C) True+ves + False+ves  (D) True+ves + True-ves <> possible answers', '  For the calculation of the positive predictive value of a screening test, the denominator is comprised of: <> context']