<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f65276b1fb1_-_orange-watercress-tuna-salad-recipe-ew0912-xl.jpg>
<http://www.delish.com/cooking/nutrition/g585/30-healthiest-foods/>