input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Migration of odontoblasts into dentinal tubules  occurs during  __________ :   (A) Cavity preparation   (B) Dehydration   (C) Water irrigation   (D) None of the above
output: ['(A) Cavity preparation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Cavity preparation  (B) Dehydration  (C) Water irrigation  (D) None of the above <> possible answers', '  Migration of odontoblasts into dentinal tubules \noccurs during  __________ : <> context']