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': 'CSF Rhinorrhea is usually due to fracture of cribriform plate. Cribriform plate is a pa of: \nSelect and explain. \nA. Vomer, B. Ethmoid, C. Maxilla, D. Zygomatic bone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ethmoid', 'role': 'assistant'}]