<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/15/43/1445525781-the-best-homemade-margherita-pizza-1-4-600x858.jpg>
<http://www.delish.com/food-news/a48754/the-pope-is-throwing-beachside-pizza-parties-for-the-homeless/>