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: Unknown
[{'content': 'Suprasellar calcification along with growth retardation is found in : \nSelect and explain. \nA. Thalamic tumor, B. Pituitary tumor, C. Craniopharyngioma, D. Pineal tumour', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e. Craniopharyngioma "Presence of suprasellar midline calcification immediately suggest the diagnosis of craniopharyngioma. " - Sutton, 6/e, p 1609.Craniopharyngioma is the most common cause of suprasellar calcification*', 'role': 'assistant'}]