<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb7d39a0355_-_relax-for-10-minutes-at-least-mdn.jpg>
<http://www.womansday.com/health-fitness/womens-health/g53/11-life-saving-health-habits-5456/>