<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6bc0a5d1cb_-_brie-apple-arugula-quesadillas-mr1011-6xutn0-xl.jpg>
<http://www.delish.com/cooking/a39096/arugula-recipes/>