<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f64017b762f_-_lemon-thumbprint-cookie-1-1210-msc.jpg>
<http://www.delish.com/holiday-recipes/christmas/g52/thumbprint-cookies/>