<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/980x551/548b4650208e7_-_rbk-fitness-lessons-over-exercise-s2.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/g1660/exercise-myths/>