<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/54eb9c64707b1_-_cos-13-brownie-recipes-nutella-swirled-pb-bars-de.jpg>
<http://www.countryliving.com/food-drinks/a5754/best-brownie-recipes/>