input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 48-years-old male reported to you with fractured central incisor with fracture line extending 4 mm gingival below CEJ with thin bone buccally and thick apicopalatally, treatment of choice is:   (A) Socket shield technique   (B) Post and core   (C) Extraction and implant   (D) Socket preservation
output: ['(A) Socket shield technique <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Socket shield technique  (B) Post and core  (C) Extraction and implant  (D) Socket preservation <> possible answers', '  A 48-years-old male reported to you with fractured central incisor with fracture line extending 4 mm gingival below CEJ with thin bone buccally and thick apicopalatally, treatment of choice is: <> context']