<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a0a72267eb1_-_showbiz-britney-spears-sons-3.jpg>
<http://www.cosmopolitan.com/entertainment/news/a14611/britney-spears-takes-sons-to-the-smurfs-2-premiere-pictures/>