<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f642401a9b2_-_icken-marinated-zucchini-sandwich-recipe-mslo0812-i19ax7-xl.jpg>
<http://www.delish.com/entertaining/g170/picnic-sandwiches/>