input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Creation of an apical stop to prevent extrusion of matrix beyond apex is called:   (A) Resistance form   (B) Retention form   (C) Conenience form   (D) None of the above.
output: ['(A) Resistance form <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Resistance form  (B) Retention form  (C) Conenience form  (D) None of the above. <> possible answers', '  Creation of an apical stop to prevent extrusion of matrix beyond apex is called: <> context']