input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Technique of root coverage called as:   (A) Langer and langer technique   (B) Pouch and tunnel technique.   (C) Azis technique.   (D) Bruno technique
output: ['(B) Pouch and tunnel technique. <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Langer and langer technique  (B) Pouch and tunnel technique.  (C) Azis technique.  (D) Bruno technique <> possible answers', '  Technique of root coverage called as: <> context']