<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fc3318a3a5_-_cos-01-couple-having-sex-in-bed-de-10979436.jpg>
<http://www.cosmopolitan.com/sex-love/advice/g2366/doggie-style/>