This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Staphylococci, Subject name: Microbiology
[{'content': 'Coagulase test differentiates- \nSelect and explain. \nA. Staphylococci from streptococci, B. Streptococci from enterococci, C. Staph aureus from staph epidermids, D. Staph epidermidis from staph saprophvticus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Staph aureus from staph epidermidis", 'role': 'assistant'}]