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: Microbiology
[{'content': 'Best test to see capsule of Cryptococcus neoformans in a sample of CSF: \nSelect and explain. \nA. Gram staining., B. Giemsa staining., C. Indian ink., D. Methylene blue.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Indian ink smear remains the method of choice for detecting cryptococcus in CSF.', 'role': 'assistant'}]