<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x240/54f64cf621950_-_clx-050111-bruschetta-g1wsde-lgn.jpg>
<http://www.delish.com/cooking/g437/avocado-recipes-clv/>