<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54feebd2028b0-k-couple-workouts-partner-med-ball-v-sits-with-rotation-xln.jpg>
<http://www.goodhousekeeping.com/health/fitness/g382/get-fit-together/?src=shelter_footer>