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:
Comparative effects of three different potent renin inhibitors in primates.

Ex Output:
renin


Ex Input:
Captopril directly inhibits matrix metalloproteinase-2 activity in continuous ambulatory peritoneal dialysis therapy.

Ex Output:
matrix metalloproteinase-2


Ex Input:
Carnitine biosynthesis. Purification of gamma-butyrobetaine hydroxylase from rat liver.

Ex Output:

gamma-butyrobetaine hydroxylase