<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/320x426/54f5fdbbac854_-_01-dog-playing-fetch-lgn-58489584.jpg>
<http://www.womansday.com/life/pet-care/g1223/pet-health/>