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': 'Streptococci with butterscotch or caramel odour is \nSelect and explain. \nA. S.pyogenes, B. S.agalactiae, C. S.pneumoniae, D. S.angionosus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: S.angionosus produce small colonies which give off a distinct odour of butterscotch or caramel.', 'role': 'assistant'}]