<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f95634e8b6f_-_skippy-peanut-butter-nutella-cookies-blog.jpeg>
<http://www.delish.com/food/news/a40677/world-nutella-day-recipes/>