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: Medicine
[{'content': "Osler's nodes are typically seen in which one of the following - \nSelect and explain. \nA. Chronic candida endocarditis, B. Acute staphylococcal endocarditis, C. Pseudomonas endocarditis, D. Libman sack's endocarditis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]