<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ff0c6a0369c-benjamin-moore-natura-interior-paint-xl.jpg>
<http://www.goodhousekeeping.com/institute/about-the-institute/g589/green-good-housekeeping-seal-directory/?link=emb&dom=yah_life&src=syn&con=blog_goodhousekeeping&mag=ghk>