<http://schema.org/keywords>
"Sting video"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/kolkata/kolkata-high-court-orders-narada-sting-video-to-be-kept-in-bank-locker/story-mssKtydtQmMVvFWyijroAJ.html>