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': 'Draughtsman colonies are seen with: \nSelect and explain. \nA. Anthrax, B. Pnuemococci, C. Peussis, D. Yersenia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pnuemococci', 'role': 'assistant'}]