<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/160x160/54f6b16dbd340_-_med103097_0907_chkmelt_sl-2.jpg>
<http://www.delish.com/cooking/g1590/easy-lunch-sandwiches/>