<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/320x320/55003955ed11f-spinach-leaves-fb.jpg>
<http://www.goodhousekeeping.com/food-recipes/healthy/g1794/love-veggies-0607/>