<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/320x426/54f5fe334ea84_-_01-dog-chewing-on-shoe-lgn-57978229.jpg>
<http://www.womansday.com/life/pet-care/g1247/dog-behavior-problems/>