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': 'Bone which is Pneumatic -a) Maxillaryb) Parietalc) Temporald) Frontal e) Ethmoidal \nSelect and explain. \nA. ade, B. bde, C. abd, D. ad', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]