<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb7e685e68e_-_sip-organic-teas-mdn.jpg>
<http://www.womansday.com/health-fitness/wellness/advice/g130/11-green-steps-to-a-better-nights-sleep-1483/>