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:
 Bcl - 3 protein was also highly expressed in early burst - forming unit - erythroid ( BFU - E ) - derived erythroid precursors ( day 7 ) and decreased during maturation ( days 10 and 14 ) , suggesting that Bcl - 3 is involved in normal erythroid proliferation .

Ex Output:
Bcl - 3


Ex Input:
 MATERIALS AND METHODS : We screened a panel of acute myeloid leukemia - derived cell lines for TNF - alpha - responsiveness .

Ex Output:
TNF - alpha


Ex Input:
 Leukocyte - endothelial interaction is augmented by high glucose concentrations and hyperglycemia in a NF - kB - dependent fashion .

Ex Output:

NF - kB