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': 'Maxillary artery is a branch of: \nSelect and explain. \nA. External carotid artery, B. Internal carotid artery, C. Trigeminal artery, D. Facial artery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]