input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** All of the following hemostatic agents are used as perforation repair, except?   (A) Collagen   (B) CaOH2   (C) Ferric sulphate   (D) Fridge dried bone
output: ['(C) Ferric sulphate <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Collagen  (B) CaOH2  (C) Ferric sulphate  (D) Fridge dried bone <> possible answers', '  All of the following hemostatic agents are used as perforation repair, except? <> context']