input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The depth of clinical gingival sulcus is the distance between the gingival margin to the   (A) Cementoenamel Junction   (B) Alveolar crest   (C) Apical extension of junctional epithelium   (D) Apical penetration of the probe
output: ['(D) Apical penetration of the probe <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Cementoenamel Junction  (B) Alveolar crest  (C) Apical extension of junctional epithelium  (D) Apical penetration of the probe <> possible answers', '  The depth of clinical gingival sulcus is the distance between the gingival margin to the <> context']