This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
[{'content': 'Nasal mucosa is supplied by: \nSelect and explain. \nA. only external carotid aery, B. Only internal carotid aery, C. Mainly external carotid aery, D. Mainly internal carotid aery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Both the internal and external carotid aery supply the nose but main aery is the external carotid aery. Ref.Dhingra5/e p 189', 'role': 'assistant'}]