input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Green Vermillion index measures   (A) Periodontal disease   (B) Oral hygiene   (C) Bone level   (D) Gingival health
output: ['(B) Oral hygiene <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Periodontal disease  (B) Oral hygiene  (C) Bone level  (D) Gingival health <> possible answers', '  Green Vermillion index measures <> context']