<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54ebb864df650_-_8-woman-jogging-outside-xl.jpg>
<http://www.womansday.com/health-fitness/workout-routines/advice/g1172/best-exercises/?src=shelter_footer>