<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/15/28/980x490/landscape-1436560739-rbk-healthy-junk-food-swaps.jpg>
<http://www.redbookmag.com/body/healthy-eating/tips/g1257/junk-food-swaps/>