<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6a1aab93a6_-_arugula-olive-salad-0610-recipe-xl.jpg>
<http://www.delish.com/cooking/nutrition/g2599/healthy-dinner-salads/>