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: Surgery
[{'content': 'Which of the following is true for a flap required\nfor maxillary tuberosity \nSelect and explain. \nA. Incision is given over the alveolar crest, B. A wedge-shaped incision may be 1st tried, C. Incision extends to the bicuspid cuspid region, D. None the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]