<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54ebb10a4af4e_-_4-dog-wearing-boots-xl.jpg>
<http://www.womansday.com/life/pet-care/g1039/exercising-with-your-dog-in-winter/?src=shelter_footer>