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': 'Structures passing through foramen ovale are all except: \nSelect and explain. \nA. Maxillary nerve., B. Accessory meningeal artery., C. Lesser petrosal nerve., D. Emissary vein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]