<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a09b8bb06c3_-_cos-01-marriage-proposal-dpuuz3-mdn.jpg>
<http://www.cosmopolitan.com/sex-love/news/a12800/proposal-planners/>