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': 'Bread crumb colony appearance is of: \nSelect and explain. \nA. Bordetella peussis, B. Vibrio cholerae, C. Actinomyces israeli, D. M. Leprae', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Actinomyces israeli', 'role': 'assistant'}]