<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/980x551/546b1963bbe1d_-_2015-gmc-yukonxl-001-lg.jpg>
<http://www.roadandtrack.com/new-cars/news/g4053/photos-2015-yukon-denali-yukon-xl/>