<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x262/54ff8e9ab7a16-bobandfred-talulasinclair-orig-master-1.jpg>
<http://www.goodhousekeeping.com/life/pets/advice/g1602/pet-friendships/>