<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/54f76f559d446_-_grilledsteakfajitas.jpg>
<http://www.womansday.com/food-recipes/a47621/grilled-steak-tacos-recipe/>