<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/980x551/546b0c72e2b38_-_2014-gmc-sierra-slt-full-dash-and-ip-028-lg.jpg>
<http://www.roadandtrack.com/new-cars/news/g3828/photos-2014-gmc-sierra-non-denali/>