<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a09a170e6e2_-_tumblr_inline_mmgqpchawl1r79k32.gif>
<http://www.cosmopolitan.com/health-fitness/news/a12912/public-pools-e-coli-summer-2013/>