<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/320x215/54ebbc0c71364_-_dogs-playing-in-park-xl.jpg>
<http://www.womansday.com/life/pet-care/g1223/pet-health/?click=ht>