The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following bone defects offers the best chance for bone fill?   (A) 3 Walled defect   (B) 2 Walled defect   (C) Osseous crater   (D) Hemisepta
['(A) 3 Walled defect <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 3 Walled defect \n (B) 2 Walled defect \n (C) Osseous crater \n (D) Hemisepta <> possible answers', '  Which of the following bone defects offers the best chance for bone fill? <> context@']