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:  It induced NK cell - dependent rejection of tumors , but failed to stimulate systemic T cell - mediated anti - tumor immunity , and synergized with B7 - 1 - mediated immunotherapy to cause the NK cell and CD8 T cell - dependent rejection of larger EL - 4 tumors ( 0 . 4 cm in diameter ) that were refractory to monotherapies .
Example Output: B7 - 1

Example Input:  Tumors binding more than 5 fmol / mg cytosol protein were classified as ER - positive .
Example Output: cytosol protein

Example Input:  A partial glucocorticoid receptor defect may well explain the abnormal cortisol metabolism and glucocorticoid resistance commonly found in patients with anorexia nervosa .
Example Output:
glucocorticoid receptor