<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f9d8771c30d_-_cuervotradicionaleldiablo_400x400.jpg>
<http://www.delish.com/holiday-recipes/cinco-de-mayo/g2418/tequila-drinks-recipes/>