<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Sports_News/2013/04/21/Sebastian-Vettel-cruises-to-victory-at-Bahrain-Grand-Prix/50601366566357/>
<http://www.upi.com/Sports_News/2013/04/21/Sebastian-Vettel-cruises-to-victory-at-Bahrain-Grand-Prix/UPI-50601366566357/?rel=10211366640177>