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': 'Denker’s operation may result in injury to which nerve? \nSelect and explain. \nA. Posterior superior alveolar nerve, B. Anterior superior alveolar nerve, C. Greater palatine nerve, D. Nasopalatine nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]