<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/54eb5ae3d3559_-_country-vet-yellow-lab-puppy-ffenmy-xl.jpg>
<http://www.countryliving.com/life/kids-pets/tips/g1259/dog-health-questions/>