<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb7d37aa109_-_eat-a-colorful-salad-and-two-pieces-of-fruit-mdn.jpg>
<http://www.womansday.com/health-fitness/womens-health/g53/11-life-saving-health-habits-5456/>