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.

Ex Input:
 This suggests the association of E2 - receptor expression with control of growth rather than cell maturation .

Ex Output:
E2 - receptor


Ex Input:
 NF - kappaB activation was also inhibited by CS .

Ex Output:
NF - kappaB


Ex Input:
 Biopsies were immunostained for inflammatory cell markers as well as GRbeta and probed for various cytokine mRNA .

Ex Output:

cytokine mRNA