<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://sev.h-cdn.co/assets/cm/15/07/54db21ce03d37_-_sev-3-week-booty-side-lunge-1.jpg>
<http://www.seventeen.com/health/fitness/advice/a12370/butt-exercises/>