This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
[{'content': 'Foramen Ovale in middle cranial fossa transmits \nSelect and explain. \nA. Spinal accessory nerve, B. Mandibular nerve, C. Middle meningeal artery, D. Maxillary artery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) Mandibular nerve # Foramen ovale;> Mnemonic:> At the base of the skull, the foramen ovale (skull) is in the greater wing of the sphenoid bone in the middle cranial fossa and transmits the mandibular division of the trigeminal nerve, otic ganglion, accessory meningeal artery, lesser petrosal nerve and emissary veins.', 'role': 'assistant'}]