<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/640x430/54eba99f80c49_-_pregnant-woman-cat-couch-xl.jpg>
<http://www.womansday.com/life/pet-care/g914/facts-about-cats/>