<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/World-News/2010/02/18/Iran-mum-on-Turkish-uranium-offer/63111266507127/>
<http://www.upi.com/Top_News/World-News/2010/02/18/Iran-mum-on-Turkish-uranium-offer/UPI-63111266507127/>