<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/16/10/1457723392-11231740-10206433462410757-589841265910614030-n.jpg>
<http://www.redbookmag.com/life/news/a44510/jaxon-strong-foundation/>