<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fdec5d6317d-grilled-sweet-potatoes-bhhri8-xlg.jpg>
<http://www.goodhousekeeping.com/food-recipes/g62/surprising-grill-recipes/>