input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Nickel is added to wrought gold alloys as   (A) Strengthener   (B) Hardener   (C) Whitens the alloy   (D) Scavenger
output: ['(A) Strengthener <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Strengthener  (B) Hardener  (C) Whitens the alloy  (D) Scavenger <> possible answers', '  Nickel is added to wrought gold alloys as <> context']