<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1531/54ff04ff95612-ghk-windex-multi-surface-vinegar-cleaner-s2.jpg>
<http://www.goodhousekeeping.com/home-products/multi-purpose-cleaners/g579/best-multi-purpose-cleaners/?src=shelter_footer>