<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/11/54fdf3aee56cf-grilled-pbbj-sandwich-del0711-xl.jpg>
<http://www.delish.com/cooking/g625/savory-peanut-butter-recipes/>