<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f95633b65c3_-_rbk-rocky-nutella-recipe-rbk0412-blog-1.jpeg>
<http://www.delish.com/food/news/a40677/world-nutella-day-recipes/>