<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ff7186cc44a-fourth-of-july-safety-orig-master-1.jpg>
<http://www.goodhousekeeping.com/holidays/a24586/fireworks-sparkler-safety/>