<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/World-News/2012/12/06/S-African-military-plane-crashes/42881354802198/>
<http://www.upi.com/Top_News/World-News/2012/12/06/S-African-military-plane-crashes/UPI-42881354802198/?pvn=1>