<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a0b0e122cb9_-_hoopnotica-side-stance.gif>
<http://www.cosmopolitan.com/entertainment/celebs/news/a15787/hula-hoop-exercises/?click=cos_new>