<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6659e8d5f1_-_pineapple-pork-tacos-recipe-0710-fcgkmz-xl.jpg>
<http://www.delish.com/cooking/g1393/traditional-mexican-food-0710/>