<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54fe912c9f10a-2-push-up-star-xln.jpg>
<http://www.goodhousekeeping.com/health/fitness/g134/fitness-plan-two-weeks-oct06/>