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:  The generation of genomic diversity during the course of infection has the potential to affect all aspects of HIV - 1 replication , including expression of the proviral genome .
Example Output: HIV - 1

Example Input:  The B cell factor was purified to homogeneity using affinity chromatography and consists of three peptides of 62 , 61 , and 58 . 5 + / - 1 . 5 kd .
Example Output: B cell factor

Example Input:  Therapeutic concentrations of glucocorticoids suppress the antimicrobial activity of human macrophages without impairing their responsiveness to gamma interferon .
Example Output:
gamma interferon