input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Craters in interseptal bone are best eliminated by   (A) Gingivectomy   (B) Supragingival curettage   (C) Interseptal massage with stimulators   (D) Osseous recontouring
output: ['(D) Osseous recontouring <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Gingivectomy  (B) Supragingival curettage  (C) Interseptal massage with stimulators  (D) Osseous recontouring <> possible answers', '  Craters in interseptal bone are best eliminated by <> context']