<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a0747bc4342_-_cos-01-anal-sex-xl.jpg>
<http://www.cosmopolitan.com/sex-love/advice/a6676/anal-sex-beginners-guide/>