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:  Number of glucocorticoid receptors in lymphocytes and their sensitivity to hormone action .
Example Output: glucocorticoid receptors

Example Input:  Molecular analyses indicate that the block in NF - kappaB impairs Iglambda rearrangement at the level of recombinase accessibility .
Example Output: NF - kappaB

Example Input:  T cells respond to mitogenic or antigenic stimulation by proliferation and by turning on cytokine gene expression .
Example Output:
cytokine gene