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': 'Persistent diarrhoea in AIDS is caused byA/E ? \nSelect and explain. \nA. Microspora, B. Cryptococcus, C. Cryptosporidia, D. Isospora belli', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Cryptococcus and", 'role': 'assistant'}]