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:  Two patients with Tac - positive adult T - cell leukemia have been treated with the anti - Tac .
Example Output: anti - Tac

Example Input:  The HPV16 E7 peptide kinetics correlated with the kinetics of HPV16 E7 - specific CTL induction .
Example Output: HPV16 E7

Example Input:  Interestingly , addition of PGF ( 2alpha ) , which was not known to affect lymphocytes , dramatically attenuated the deleterious effects of PPAR - gamma agonists on B lymphomas .
Example Output:
PPAR - gamma