<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54ff0c695fc5c-tide-coldwater-laundry-detergent-xl.jpg>
<http://www.goodhousekeeping.com/home-products/g677/energy-efficient-home-products/>