<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/640x360/546b4640a8351_-_132880715-lg.jpg>
<http://www.roadandtrack.com/new-cars/news/a8483/why-not-make-biofuels-from-tobacco/>