<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f646fd92612_-_angel-food-cake-with-eggnog-custard-sauce-nnmbpf-xlg.jpg>
<http://www.delish.com/cooking/g287/angel-food-cake-recipes/>