input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Most commonly missing tooth is   (A) Upper 3rd molar   (B) Lower 3rd molar   (C) Upper lateral incisor   (D) Lower 2nd premolar
output: ['(B) Lower 3rd molar <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Upper 3rd molar  (B) Lower 3rd molar  (C) Upper lateral incisor  (D) Lower 2nd premolar <> possible answers', '  Most commonly missing tooth is <> context']