<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x120/54f0fbe11be23_-_woman-exercise-gym-mdn.jpg>
<http://www.womansday.com/health-fitness/g1008/fitness-deals-2013/>