<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/14/50/980x490/548aa2918ebfa_-_rbk-health-inspiration-0713-4-xln.jpg>
<http://www.redbookmag.com/body/mental-health/tips/g1599/health-and-fitness-tips/>