You will be given a definition of a task first, then some input of the task.
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.

In the present case , the recurrence of S . faecium endocarditis after six weeks of therapy with ampicillin and tobramycin confirms the therapeutic and clinical significance of their data , and emphasizes that tobramycin is not an aminoglycoside to be used for treatment of serious S . faecium infections .
Output:
S . faecium