<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/12/980x1470/550929c18d9e9-mashed-potatoes-parsnips-recipe-wdy0114-s2.jpg>
<http://www.goodhousekeeping.com/food-recipes/easy/g297/easy-mashed-potatoes-recipes/>