<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/10/54fb118d54010-color-of-health-lgn.jpg>
<http://www.goodhousekeeping.com/food-products/organic-food-reviews/a13303/organic-food-whats-really-worth-it/?link=rel&dom=yah_life&src=syn&con=blog_goodhousekeeping&mag=ghk>