<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eabea3a5f7d_-_03-woman-taking-dance-class-1.jpg>
<http://www.womansday.com/health-fitness/workout-routines/advice/a1503/3-fun-ways-to-get-in-shape-106320/>