<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe13c7a1ab9-stuffed-portobellos-ghk0111-xl.jpg>
<http://www.goodhousekeeping.com/food-recipes/healthy/g607/quinoa-recipes/>