<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/15/29/980x1149/gallery-1436995970-weeknight-dinners-bacon-avocado-sandwich.JPG>
<http://www.delish.com/cooking/recipe-ideas/g2801/summer-dinner-recipes/>