<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/548a6768c2ca7_-_rbk-junk-food-swap-apples-msc.jpg>
<http://www.redbookmag.com/body/healthy-eating/tips/g1257/junk-food-swaps/>