<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2012/07/23/2-cars-collide-kill-2-road-workers/64701343020125/>
<http://www.upi.com/Top_News/US/2012/07/23/2-cars-collide-kill-2-road-workers/UPI-64701343020125/>