<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://mac.h-cdn.co/assets/15/17/980x490/landscape-1429816058-screen-shot-2015-04-23-at-30729-pm.png>
<http://www.marieclaire.com/sex-love/advice/a4307/threesome-sex-menage-a-trois-planning/>