<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1476/54ff31c98ba2b-gluten-free-food-should-taste-good-chips-s2.jpg>
<http://www.goodhousekeeping.com/food-products/g907/gluten-free-chips/>