<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/12/5508e8f67efa9-leaf1.jpg>
<http://www.goodhousekeeping.com/institute/a18780/what-type-of-green-car-is-right/?src=shelter_footer>