<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a08f0a97c54_-_cos-couple-arguing-mdn.jpg>
<http://www.cosmopolitan.com/health-fitness/news/a11061/leaders-with-lower-voices-preferred/>