This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'The three walled defect responds best to inductive or \nSelect and explain. \nA. Degranulation procedures, B. Deroofing procedures, C. Deinvagination procedures, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]