<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6790757d85_-_e9e2b179633b9fac66dec24ff4b.jpg>
<http://www.delish.com/holiday-recipes/cinco-de-mayo/a37271/guacamole/?src=shelter_footer>