<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/320x426/54c098b144b96_-_08-hbx-solar-system-playground-ball-lgn.jpg>
<http://www.housebeautiful.com/shopping/g1329/kids-gifts-under-10-dollars-1212/>