<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54eba99ca2e63_-_cat-blue-purple-flowers-xl.jpg>
<http://www.womansday.com/life/pet-care/g914/facts-about-cats/>