<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ff0c6b2401c-tena-serentiy-overnight-pads-xl.jpg>
<http://www.goodhousekeeping.com/institute/about-the-institute/g589/green-good-housekeeping-seal-directory/>