<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe954ed8a74-cleaning-supplies-md.jpg>
<http://www.goodhousekeeping.com/home/cleaning/tips/a18875/how-to-clean/?src=shelter_footer>