<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/46/980x551/5469796e5ab53_-_2013-bmw-m5-vs-2012-cadillac-cts-v-24-lg.jpg>
<http://www.roadandtrack.com/new-cars/car-comparison-tests/reviews/g365/photos-2013-bmw-m5-vs-2012-cadillac-cts-v/>