<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/11/640x320/54f8af71e85aa_-_pumpkin-cauliflower-casserole-yn83uf-400.jpg>
<http://www.delish.com/cooking/a38047/casseroles/>