<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f91fe75e037_-_ultimate-guacamole-cl0607.jpg>
<http://www.delish.com/holiday-recipes/cinco-de-mayo/a37264/10-mexican-appetizers-recipes/>