<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f64241df8c7_-_1086_recipe_eggsalad_sl-mdn.jpg>
<http://www.delish.com/entertaining/g170/picnic-sandwiches/?src=rss>