input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The iron carbide in orthodontic wire is in the form of:   (A) Martensite   (B) Ferrite   (C) Carbide   (D) Austenite
output: ['(D) Austenite <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Martensite  (B) Ferrite  (C) Carbide  (D) Austenite <> possible answers', '  The iron carbide in orthodontic wire is in the form of: <> context']