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: Radiology
[{'content': 'Suprasellar calcification is a feature of: \nSelect and explain. \nA. Craniopharyngioma, B. Astrocytoma, C. Oligodendroglioma, D. Meningioma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Craniopharyngioma', 'role': 'assistant'}]