<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/320x192/5469e8be964ed_-_a4_vs_335d_-_image_038-lg.jpg>
<http://www.roadandtrack.com/new-cars/car-comparison-tests/reviews/g835/photos-2009-audi-a4-32-quattro-vs-2009-bmw-335d/>