<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54ff15d677efc-0312-brita-riviera-pitcher-xl.jpg>
<http://www.goodhousekeeping.com/health-products/g684/water-filters/?src=shelter_footer>