input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Cleaning of base metal alloy is done by   (A) Warm HCl   (B) Cold HF   (C) Cold H2 So4   (D) Sand blasting with aluminium oxide
output: ['(D) Sand blasting with aluminium oxide <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Warm HCl  (B) Cold HF  (C) Cold H2 So4  (D) Sand blasting with aluminium oxide <> possible answers', '  Cleaning of base metal alloy is done by <> context']