<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54eb9d8c1b026_-_4-stretch-back-neck-xl-68052171.jpg>
<http://www.womansday.com/health-fitness/g751/heart-smart-fitness-routine/>