<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe9c1106729-steam-washer-dryer-0909-s3.jpg>
<http://www.goodhousekeeping.com/institute/about-the-institute/a18662/100-problems-solved-by-the-seal/>