<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6565585491_-_swiss-chard-leek-gratin-recipe-fw1111-xl.jpg>
<http://www.delish.com/cooking/a39102/swiss-chard-recipes/>