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:
 It has been shown in vitro that dissociation of I kappa B alpha from these complexes results in active NF - kappa B .

Ex Output:
I kappa B


Ex Input:
 This suggests the association of E2 - receptor expression with control of growth rather than cell maturation .

Ex Output:
E2 - receptor


Ex Input:
 [ Glucocorticoid receptor level in the blood leukocytes in different acute diseases ]

Ex Output:

Glucocorticoid receptor