input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** 'Care index' with respect to epidemiology of oral disease is   (A) Ratio of filled teeth to total teeth with caries experience   (B) Ratio of filled teeth to teeth present   (C) No. of filled teeth per person   (D) Ratio of denture users to non-denture users
output: ['(A) Ratio of filled teeth to total teeth with caries experience <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Ratio of filled teeth to total teeth with caries experience  (B) Ratio of filled teeth to teeth present  (C) No. of filled teeth per person  (D) Ratio of denture users to non-denture users <> possible answers', "  'Care index' with respect to epidemiology of oral disease is <> context"]