This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
[{'content': 'Tbilisi phage is used for identification of- \nSelect and explain. \nA. Bacillus, B. Corynebacterium, C. Salmonella, D. Brucella', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. Brucella.The species identification of Brucella is very complex and is based on-a. Relative proportions of 2 antigens, A and Mb. CO2 requirementc. H2 S productiond. Urease enzymee. Phage lysis (Tbilisi phage)f. Sensitivity to dyes.', 'role': 'assistant'}]