input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** At what stage of embryonic development does initial tooth development begins:   (A) 3rd week   (B) 6th week   (C) 8th week   (D) 4th week
output: ['(B) 6th week <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 3rd week  (B) 6th week  (C) 8th week  (D) 4th week <> possible answers', '  At what stage of embryonic development does initial tooth development begins: <> context']