<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb7c609844b_-_couch-dips-mdn.jpg>
<http://www.womansday.com/health-fitness/g87/denise-austins-easy-exercise-moves-101435/?src=shelter_footer>