input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which among the following is not a risk factor for contrast-induced nephropathy?   (A) Diabetic nephropathy   (B) High osmolar agent   (C) Obesity   (D) Dehydration
output: ['(C) Obesity <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Diabetic nephropathy  (B) High osmolar agent  (C) Obesity  (D) Dehydration <> possible answers', '  Which among the following is not a risk factor for contrast-induced nephropathy? <> context']