<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f68401ba71e_-_salsa-fresca-tomato-pineapple-400.jpg>
<http://www.delish.com/holiday-recipes/cinco-de-mayo/a38112/healthy-mexican/>