Given a text, write a compressed version of it in a single sentence.

GAO, headed by the Comptroller General, is a principal means by which the legislative branch conducts oversight of executive programs and activities.
GAO, headed by the Computroller General is a principal by which the legislative branch oversees activities.

Windsurfing: The equipment you need for windsurfing can be hired from the beaches at Tel Aviv (marina), Netanya, Haifa (at Bat Galim beach), Tiberias, and Eilat.
The equipment you need for windsurfing can be hired at Tel Aviv(marina), Netany Haifa(Bat Galim beach), Tiberis and Eilat

"You give the lead, I give the headline from Wednesday's London Mirror : ""HE'S HUGE, HE'S POWERFUL, HE'S FAST AND HE'S MEAN"""
You giv the lead and I, the headline from Wednesday's London Mirror: He's huge, powerful