<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/480x640/548a34bd108ad_-_rbk-dark-chocolate-pieces-0811-msc.jpg>
<http://www.redbookmag.com/body/healthy-eating/advice/g1076/good-mood-foods/>