The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Sealants are effective in   (A) Initial caries   (B) Secondary caries   (C) Recurrent caries   (D) Rampant caries
['(A) Initial caries <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Initial caries \n (B) Secondary caries \n (C) Recurrent caries \n (D) Rampant caries <> possible answers', '  Sealants are effective in <> context@']