<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/548f17732143a_-_09-protein-bar-xl.jpg>
<http://www.redbookmag.com/body/health-fitness/g1978/weird-side-effects-womans-day/>