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': "Cryptococcus can be readily demonstrated by - \nSelect and explain. \nA. Albert's stain, B. India ink stain, C. Giema's stain, D. Gram's stain", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]