<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/160x120/54f64cf64b489_-_clx-chef-challenge-pawlcyn-1110-0jeyia-ja0ndv-mdn.jpg>
<http://www.delish.com/cooking/g437/avocado-recipes-clv/>