This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Blue-green pus in burns patients is indicative of ------ cellulitis \nSelect and explain. \nA. Pseudomonas, B. Staphylococcus, C. Klebsiella, D. E.coli', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In Burns patients, cellulitis with blue-green pus with grape-like odor is characteristic of Pseudomonas aeruginosa infection.Ref: Jawetz; 27th edition; Page no: 247', 'role': 'assistant'}]