<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/480x360/54f5fd4a81307_-_1-woman-lunging-rock-lgn.jpg>
<http://www.womansday.com/health-fitness/workout-routines/advice/g1172/best-exercises/?src=shelter_footer>