input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** All of these stains are used in tattooing except:   (A) Osmium blue   (B) Prussian blue   (C) Vermillion   (D) India ink
output: ['(A) Osmium blue <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Osmium blue  (B) Prussian blue  (C) Vermillion  (D) India ink <> possible answers', '  All of these stains are used in tattooing except: <> context']