<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6423f6ed88_-_ham-brie-apple-sandwich-recipe-mslo0712-wd2jbd-xl.jpg>
<http://www.delish.com/entertaining/g170/picnic-sandwiches/>