<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/640x640/53a0ff10ecd96_-_cos-01-doodle-sex-positions-de.jpg>
<http://www.cosmopolitan.com/entertainment/news/a23780/porn-positions-that-do-not-work-irl/>