input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Lingual ridge is most prominent in   (A) Upper Canine   (B) Lower Canine   (C) Upper Central Incisor   (D) Lower central incisor
output: ['(A) Upper Canine <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Upper Canine  (B) Lower Canine  (C) Upper Central Incisor  (D) Lower central incisor <> possible answers', '  Lingual ridge is most prominent in <> context']