<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb2110ca31f_-_ls3-robot-mule-03-1113-lgn.jpg>
<http://www.popularmechanics.com/military/g1345/the-day-the-marines-met-their-robotic-mule/>