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.

Example Input:  To further evaluate the host TNF - alpha response during an established B . mallei chronic infection , we infected 12 BALB / c mice by the i . p . route with 1 x 106 CFU B . mallei .
Example Output: B . mallei

Example Input:  defective Streptococcus faecium strains .
Example Output: Streptococcus faecium

Example Input:  Bacterial tolerance has been suggested as a possible basis for therapeutic failures , particularly in the treatment of infections caused by Staphylococcus aureus with defects in the production of autolysins .
Example Output:
Staphylococcus aureus