<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54fe6ee7924a2-modular-robotics-xln.jpg>
<http://www.goodhousekeeping.com/childrens-products/toy-reviews/g73/toy-fair-2014-toys/>