input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In a MO cavity prepared for inlay, mechanical advantage to prevent proximal displacement of the restoration is by establishing:   (A) Adequate pulpal depth   (B) Parallel walls   (C) Occlusal dovetail   (D) Acute lingual inclination in axiogingival area
output: ['(C) Occlusal dovetail <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Adequate pulpal depth  (B) Parallel walls  (C) Occlusal dovetail  (D) Acute lingual inclination in axiogingival area <> possible answers', '  In a MO cavity prepared for inlay, mechanical advantage\nto prevent proximal displacement of the restoration is\nby establishing: <> context']