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:  The coding region was isolated from total S . tuberosum DNA by PCR using primers D1 and D2 containing the restriction sites NsiI and SpeI , respectively .
Example Output: S . tuberosum

Example Input:  Thus , loss or reduction of TNF - alpha and IFN - gamma levels result in significantly reduced survival rates , substantiating previous reports of the role of these factors in protection against B . mallei [ 7 ] .
Example Output: B . mallei

Example Input:  This observation is consistent with the results of previous gel filtration and sedimentation equilibrium experiments , which suggested the presence of dimeric species of E . coli RdgC in solution ( 1 , 2 ) .
Example Output:
E . coli