<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/160x213/54fddaa1427a6-ghk-macaroni-and-cheese-1007-s2.jpg>
<http://www.goodhousekeeping.com/food-recipes/news/g1305/super-bowl-recipe-ideas/?click=hpr>