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': 'Nerves anaesthetised in incisive nerve block are: \nSelect and explain. \nA. Incisive nerve only, B. Incisive and mental nerve, C. Incisive and inferior alveolar nerve, D. Mental and inferior alveolar nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]