Instructions: In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
Input: This case is of interest because therapeutic failure of ampicillin and tobramycin in S . faecium endocarditis has not been reported previously , but might have been predicted on the basis of previous in vitro and in vivo studies [ 6 ] .
Output:
S . faecium