<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1300/54ff8fcd97ae4-gluten-free-vans-perfect-10-crackers-s2.jpg>
<http://www.goodhousekeeping.com/food-products/cracker-reviews/g1585/gluten-free-crackers/>