This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cryptocococcus, Subject name: Microbiology
[{'content': 'Stain which differentiates cryptococcus from other fungus - \nSelect and explain. \nA. Gram Stain, B. Wright-Giemsa, C. India ink, D. Toluidine blue', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., India ink o Unstained wet preperations of CSF mixed with drop of India ink or nigrosine demonstrate the capsule as a clear halo.o Methenamine silver or periodic acid-Schiff are used for staining a tissue sample.", 'role': 'assistant'}]