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.

Ex Input:
 Cellular lysates were analyzed for luciferase and beta - galactosidase activities .

Ex Output:
beta - galactosidase


Ex Input:
 A DNA fragment that complements the uvs - 2 mutation was subcloned by monitoring its ability to transform the uvs - 2 mutant to MMS resistance .

Ex Output:
uvs - 2


Ex Input:
 The electron spin resonance study also demonstrated that the formation of superoxide - DMPO spin adduct was strongly inhibited by a selective cyclooxygenase - 2 inhibitor , etodolac , in a concentration - dependent manner .

Ex Output:

cyclooxygenase - 2