<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/160x87/54f6619bac838_-_ghk-0614-food-creamy-pesto-burger-znetqe-cp.jpg>
<http://www.delish.com/cooking/g1088/burger-toppings-ghk0714/?src=shelter_footer>