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': 'Daisy head colonies are seen with - \nSelect and explain. \nA. Staph. Aureus, B. Corynebacterium diphtheriae, C. Staph. Pyogenes, D. Anthrax', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Corynebacterium Diphtheriae", 'role': 'assistant'}]