input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Edge angle is the angle between:   (A) Rake face and radial line.   (B) Rake face and clearance face.   (C) Clearance face and tooth structure.   (D) Radial line and clearance face
output: ['(B) Rake face and clearance face. <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Rake face and radial line.  (B) Rake face and clearance face.  (C) Clearance face and tooth structure.  (D) Radial line and clearance face <> possible answers', '  Edge angle is the angle between: <> context']