<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://mac.h-cdn.co/assets/cm/14/49/54823c0653749_-_iends-with-benefits-movie-2011-32683182-500-209_zpsb4fb82d4.gif>
<http://www.marieclaire.com/sex-love/advice/a6606/unspoken-sex-rules/>