<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x653/548f136415752_-_rbk-daily-workout-4-karate-s2.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/g1964/when-to-workout/>