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': 'Commonest cause of cellulitis is ? \nSelect and explain. \nA. Staphylococcus, B. Streptococcus, C. E. coli, D. Hemophilus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Streptococcus "The most common organisms associated with cellulitis are group A streptococci and S. aureus."- Schwaz', 'role': 'assistant'}]