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': 'Asteroid bodies may be produced by: \nSelect and explain. \nA. Sporothrix, B. Sporotrichosis, C. Phialophora, D. Aspergillus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sporotrichosis', 'role': 'assistant'}]