<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1482/54ff06bd67a35-ghk-skip-seated-hip-machine-1-s2.jpg>
<http://www.goodhousekeeping.com/health/fitness/g596/dangerous-exercises/?src=shelter_footer>