<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb8f7089740_-_chicken-in-space-mdn.jpg>
<http://www.womansday.com/life/pet-care/g533/pet-costume-photo-contest-winners-23328/>