The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is unlikely to cause enamel hypoplasia?   (A) Rickets   (B) Fluoride   (C) Congenital syphilis   (D) Cleidocranial dysostosis
['(D) Cleidocranial dysostosis <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Rickets \n (B) Fluoride \n (C) Congenital syphilis \n (D) Cleidocranial dysostosis <> possible answers', '  Which of the following is unlikely to cause enamel hypoplasia? <> context@']