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': 'Facial artery is a branch of \nSelect and explain. \nA. External carotid artery, B. Internal carotid artery, C. Transverse facial artery, D. Buccal artery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The facial artery is the chief artery of the face. It is a branch of the external carotid artery .', 'role': 'assistant'}]