<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f8f24911f4c_-_spaghetti-squash-alfredo-recipe-ghk1114-de.jpg>
<http://www.delish.com/cooking/g3001/spaghetti-squash/>