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: Anatomy
[{'content': 'Nerve supply of tip of nose ? \nSelect and explain. \nA. Ext nasal branch of ophthalmic division of, B. Inferior orbital nerve, C. Buccal br of mandibular nerve, D. Orbital br of maxillary n', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Ext nasal branch of ophthalmic division of", 'role': 'assistant'}]