<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/54eb5b077406d_-_cat-portrait-zglgo2-lgn.jpg>
<http://www.countryliving.com/life/kids-pets/tips/g1260/cat-health-questions/>