input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is not a cross-linking fixative?   (A) Osmium tetroxide   (B) Glutaraldehyde   (C) Methanol   (D) Formaldehyde
output: ['(C) Methanol <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Osmium tetroxide  (B) Glutaraldehyde  (C) Methanol  (D) Formaldehyde <> possible answers', '  Which of the following is not a cross-linking fixative? <> context']