<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f642809f760_-_avocado-crema-recipe-ghk0712-l5ixfq-xl.jpg>
<http://www.delish.com/cooking/g160/easy-avocado-recipes/>