<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1276/54ff6c5f309c8-ghk-0614-food-the-new-englander-burger-de-46880492.jpg>
<http://www.goodhousekeeping.com/food-recipes/g1308/burger-toppings/>