<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/320x240/54f79db550a33_-_1-potato-chip-bags-lgn-9487050.jpg>
<http://www.womansday.com/food-recipes/food-drinks/g905/best-potato-chips/>