<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f9d0f65def6_-_deep-dish-veggie-pizza-recipe-1009-xrptzh-xl.jpg>
<http://www.delish.com/entertaining/g2171/super-bowl-food-menu/>