<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/05/54c90c97c58e6_-_colony-green-xlg-47238050.jpg>
<http://www.housebeautiful.com/room-decorating/colors/g597/26-shades-of-gray/>