<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/54eb5528a3a12_-_jack-russell-dog-ask-a-country-vet-0712-xln.jpg>
<http://www.countryliving.com/life/kids-pets/g1628/pet-health-questions/>