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': 'Middle meningeal artery is branch of - \nSelect and explain. \nA. l\nst\n part of maxillary artery, B. 2\nnd\n part of maxillary artery, C. 3\nrd\n part of maxillary artery, D. External carotid artery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]