<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/49/547eedc3021d9_-_sweetener-substitute-whey-xlsynd.jpg>
<http://www.redbookmag.com/body/healthy-eating/advice/a4344/sweeteners-sugar-substitutes/>