This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cellular Pathology, Subject name: Pathology
[{'content': 'Stain used for tissue fats is? \nSelect and explain. \nA. PAS, B. Prussian blue, C. Sudan IV, D. Alcian blue', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Sudan IV * Sudan IV or Oil Red-O are used for lipids both of which impart an orange color to the contained lipids. --Robbins", 'role': 'assistant'}]