<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a0f8e757ce0_-_tumblr_m8jay2cwbi1qbpos3o2_250.gif>
<http://www.cosmopolitan.com/lifestyle/news/a22905/utexas-identical-twins-inseparable/?click=rel>