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 trans - activator protein Tax of human T - cell leukemia virus type I ( HTLV - I ) plays an important role in the development of adult T - cell leukemia through , at least in part , its ability to stimulate cell growth .

Ex Output:
trans - activator


Ex Input:
 Human eosinophils constitutively express nuclear factor of activated T cells p and c .

Ex Output:
nuclear factor


Ex Input:
 This A / R - induced NF kappa B signaling response appears to be mediated , at least in part , by intracellular redox imbalance .

Ex Output:

NF kappa B