<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/320x426/54f5fef3d7718_-_01-cat-with-owner-lgn-60303218.jpg>
<http://www.womansday.com/life/pet-care/g1320/senior-dogs/?click=try>