<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/640x391/546b6d7f94946_-_sedan-001-audi-a7-66291745.jpg>
<http://www.roadandtrack.com/car-shows/los-angeles-auto-show/news/a16671/redefining-the-sedan/>