<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/320x426/54ff8e9b34bc8-cheetofritochili-donnavaught-lgn-42259772.jpg>
<http://www.goodhousekeeping.com/life/pets/advice/g1602/pet-friendships/>