<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x360/54feeb05493cd-ghk-picnic-kuhn-rikon-melon-knife-lgn.jpg>
<http://www.goodhousekeeping.com/food-products/g345/perfect-picnic/?src=shelter_footer>