input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The activity of the following enzyme is affected by biotin deficiency:   (A) Transketolase   (B) Dehydrogenase   (C) Oxidase   (D) Carboxylase
output: ['(D) Carboxylase <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Transketolase  (B) Dehydrogenase  (C) Oxidase  (D) Carboxylase <> possible answers', '  The activity of the following enzyme is affected by biotin deficiency: <> context']