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:  Here we show that inhibition occurs with a NS1 - Rev chimera in which the 78 amino - terminal amino acids of the NS1A protein comprising its entire RNA - binding domain is deleted , thereby establishing that this carboxyl portion of the NS1A protein can function as an independent effector domain .
Example Output: NS1A protein

Example Input:  Experimental studies and clinical application of plasma ACTH radioimmunoassay kit without extraction process
Example Output: plasma ACTH

Example Input:  Critical review of tests for the HBs antigen in the detection of infectious blood
Example Output:
HBs antigen