<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54eba06910570_-_7-pepperoni-pizza-slice-xl.jpg>
<http://www.womansday.com/health-fitness/nutrition/advice/g774/bad-foods-good-for-you/>