input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Internal occlusal rest provided in partial denture does not provide:   (A) Horizontal stabilization   (B) Retention   (C) Vertical stop   (D) Occlusal support
output: ['(B) Retention <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Horizontal stabilization  (B) Retention  (C) Vertical stop  (D) Occlusal support <> possible answers', '  Internal occlusal rest provided in partial denture does not provide: <> context']