<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539faec9bbd1b_-_33-ways-9ai0hj-sex.jpg>
<http://www.cosmopolitan.com/sex-love/advice/g2010/50-sex-tips-inspired-by-50-shades-of-grey/>