<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/54c15f530ec03_-_hbx-leather-doors-interior-design.jpg>
<http://www.housebeautiful.com/room-decorating/colors/a2331/interior-door-paint-colors/>