<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f946b3b5e0b_-_peanut-butter-pretzel-terrine-rs0811-5u1fj3-lg.jpg>
<http://www.delish.com/food/news/a39374/national-pretzel-day/>