<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fb454d6d57_-_cos-03-couple-having-sex-lgn-66998502-msc.jpg>
<http://www.cosmopolitan.com/sex-love/advice/g2108/porn-lessons/>