<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x322/54ca90b25536d_-_barnyard-chicken-470-0909-xl.jpg>
<http://www.popularmechanics.com/adventure/outdoors/tips/g247/4331779/>