<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x981/548fb5ef26ad5_-_rbk-body-inspiration-0413-4-s2.jpg>
<http://www.redbookmag.com/body/mental-health/tips/g1599/health-and-fitness-tips/>