<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fed450a2da6-ghk-tomatoes-orig-master-1.jpg>
<http://www.goodhousekeeping.com/home/gardening/advice/a19857/aspirin-prevents-tomato-blight/>