<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54ff0132e14d8-ruffles-light-potato-chips-xl.jpg>
<http://www.goodhousekeeping.com/food-products/g542/favorite-summer-foods/>