<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x551/54ff0d961cc4b-ghk-fake-green-thumb-succulents-s2.jpg>
<http://www.goodhousekeeping.com/home/gardening/advice/g602/green-thumb/>