<prompt> Catalase positive, beta-hemolytic staphylococcus -S. aureusS. epidermidisS. saprophyticusNone  <response>: All staphylococci are catalase positive.Amongst staphylococci, staph. aureus is beta-hemolytic.Most species of coagulase-negative staphylococcus species are non-hemolytic. 