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: Surgery
[{'content': 'Infection in burns is most commonly due to \nSelect and explain. \nA. Pseudomonas, B. Streptococci, C. Staphylococci, D. Candida', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Infection in burns is most commonly due to Beta - hemolytic streptococci.', 'role': 'assistant'}]