<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/640x480/5489e8c16a469_-_rbk-portion-size-xl.jpg>
<http://www.redbookmag.com/body/healthy-eating/advice/g560/diets-that-dont-work/>