input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Preferred haemostatic agents for perforation repair include all except?   (A) Freeze dried bone   (B) Calcium Hydroxide   (C) Ferric Sulphate   (D) Collagen
output: ['(C) Ferric Sulphate <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Freeze dried bone  (B) Calcium Hydroxide  (C) Ferric Sulphate  (D) Collagen <> possible answers', '  Preferred haemostatic agents for perforation repair include all except? <> context']