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': '45 years old Ramlal has intra abdominal sepsis. The causative organism was found to be vancomycin, gentamycin and amplicillin resistant. It grows well in presence of 6.5% NaCl and arginine. Bile esculin hydrolysis is positive. Which of the following is this organsim ? \nSelect and explain. \nA. Strept. agalactae, B. Enterococcus fecalis, C. Streptococcus bovis, D. Streptococcus pneumoneae', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Growth in 6.5% NaCl is characteristic of Enterococci (E. faecalis, E. faecium, E. durans).', 'role': 'assistant'}]