<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/28/53bec7a10fb14_-_cos-1112-howtoorgasm-5-de-mdn.jpg>
<http://www.cosmopolitan.com/health-fitness/news/a10930/friends-with-benefits-have-safer-sex/>