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': 'Panton-valentine leucocidin is seen in infection with- \nSelect and explain. \nA. Streptococci, B. Staphylococci, C. Gonococci, D. Pneumococci', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Staphylococci . Staphylococcal leucocidin and gamma lysin have been grouped as synergohymenotropic toxins. Leucocidin is also called as Panton-valentine toxin.", 'role': 'assistant'}]