input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** All factors governing dentine permeability EXCEPT   (A) Smear Layer   (B) Fluid Convection   (C) Length of dentinal tubules   (D) Diffusion coefficient
output: ['(B) Fluid Convection <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Smear Layer  (B) Fluid Convection  (C) Length of dentinal tubules  (D) Diffusion coefficient <> possible answers', '  All factors governing dentine permeability EXCEPT <> context']