<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/15/42/980x1470/gallery-1444941573-delish-pizza-rollups.jpg>
<http://www.delish.com/cooking/g269/homemade-pizza-recipes/?ocid=xnetr2-1>