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:
 These data suggest that ubiquitous expression of the tolerizing Ad5 E1A peptide within a short period of time causes activation - induced cell death of Ad5 E1A - specific CTLs .

Ex Output:
Ad5 E1A


Ex Input:
 Transient expression analyses in cells of neuroglial and lymphocytic origin demonstrated that some of these LTRs had activities which varied significantly from the LAI LTR in U - 373 MG cells ( an astrocytoma cell line ) as well as in Jurkat cells ( a CD4 - positive lymphocyte cell line ) .

Ex Output:
LAI LTR


Ex Input:
 Tumor necrosis factor alpha ( TNF - alpha ) , a cytokine with pleiotropic biological effects , is produced by a variety of cell types in response to induction by diverse stimuli .

Ex Output:

TNF - alpha