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': 'Enterobacteriaceae includes all except \nSelect and explain. \nA. Pseudomonas, B. Klebsiella, C. salmonella, D. Proteus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Enterobacteriaceae includes- proteus, salmonella, and klebsiella Ref: Textbook of microbiology; Ananthanarayan and paniker's; 10th Edition; Pg:277", 'role': 'assistant'}]