input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** CG islands in our DNA are impoant for:   (A) Methylation   (B) Acetylation   (C) t-RNA synthesis   (D) DNA replication
output: ['(A) Methylation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Methylation  (B) Acetylation  (C) t-RNA synthesis  (D) DNA replication <> possible answers', '  CG islands in our DNA are impoant for: <> context']