<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eb67cd0f220_-_03-pretzels_medium.jpg>
<http://www.womansday.com/health-fitness/nutrition/a5672/the-411-on-food-cravings-117208/?src=shelter_footer>