input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Non radiographic method of working length determination:   (A) Digital tactile sense   (B) Apical periodontal sensitivity   (C) Electronic apex locator   (D) All of the above
output: ['(D) All of the above <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Digital tactile sense  (B) Apical periodontal sensitivity  (C) Electronic apex locator  (D) All of the above <> possible answers', '  Non radiographic method of working length determination: <> context']