input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Gingivitis   (A) Inevitably progresses to periodontitis   (B) Affects approximately 40% of adolescents   (C) Is characterized by true pocketing   (D) Is a reversible lesion
output: ['(D) Is a reversible lesion <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Inevitably progresses to periodontitis  (B) Affects approximately 40% of adolescents  (C) Is characterized by true pocketing  (D) Is a reversible lesion <> possible answers', '  Gingivitis <> context']