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:
 The differential timing of CD4 and HLA - A2 downmodulation may have implications for HIV pathogenesis and immune evasion .

Ex Output:
HLA - A2


Ex Input:
 [ Glucocorticoid receptors in normal human lymphocytes ]

Ex Output:
Glucocorticoid receptors


Ex Input:
 Inhibition of the ubiquitin - proteasome pathway in B cells leads to elevated levels of OBF - 1 protein .

Ex Output:

OBF - 1