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

Example Input:  Corresponding enzymatic activity was detectable only for 17 - hydroxysteroid dehydrogenase and 5alpha - reductase , respectively producing testosterone and 5alpha - dihydrotestosterone .
Example Output: 5alpha - reductase

Example Input:  Identification and characterization of SKAT - 2 , a novel Th2 - specific zinc finger gene .
Example Output:
SKAT - 2