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': "'Spider' colonies is produced by: September 2004 \nSelect and explain. \nA. Bordetella peusis, B. Vibrio cholerae, C. Actinomyces israelii, D. M. leprae", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Actinomycese israelii', 'role': 'assistant'}]