<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe39381b1ea-salt-free-rubs-xl.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/a18901/low-sodium-diet/?src=shelter_footer>