<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54fed8f4cab93-ghk-superfoods-surprising-nutrition-white-potato-xln.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/g334/surprising-nutrition-sources/>