<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1470/54ff0d9551d5c-ghk-fake-green-thumb-ornamental-grass-s2.jpg>
<http://www.goodhousekeeping.com/home/gardening/advice/g602/green-thumb/>