<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/320x320/54fa947079a11-pear-rf-400.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/advice/g230/drop-5-pounds-recipes/>