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 technique of Local\nanesthesia requires extra oral landmarks? \nSelect and explain. \nA. High tuberosity approach, B. Fischer 123, C. Gowgates, D. Vazirani-Akinosi', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]