<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fefbdf94735-1211-silverlit-3d-twister-xl.jpg>
<http://www.goodhousekeeping.com/childrens-products/toy-reviews/g442/good-housekeeping-best-toy-awards-2011/>