<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f9d9413c7c0_-_garden-pizza-ew-xl-20093552.jpg>
<http://www.delish.com/entertaining/g2344/vegetarian-grilled-pizza-recipes/>