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: Microbiology
[{'content': 'Organism most frequently associated with urinary\ntract infections is \nSelect and explain. \nA. Neisseria gonorrhea, B. Escherichia coli, C. T-strain mycoplasma, D. Streptococcus fecalis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]