input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following best describes the resistance form in endodontic root canal preparation?   (A) The establishment of apical tug back resistance to prevent the apical root fracture during obturation   (B) The cavity form which is obtained for application of condenser in vertical compaction   (C) The cavity form which is designed for application of condenser in lateral compaction   (D) Cavity form which is designed to obtain for entry of condenser during obturation
output: ['(A) The establishment of apical tug back resistance to prevent the apical root fracture during obturation <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) The establishment of apical tug back resistance to prevent the apical root fracture during obturation  (B) The cavity form which is obtained for application of condenser in vertical compaction  (C) The cavity form which is designed for application of condenser in lateral compaction  (D) Cavity form which is designed to obtain for entry of condenser during obturation <> possible answers', '  Which of the following best describes the resistance form in endodontic root canal preparation? <> context']