<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/29/980x732/539fec9b9ee36_-_cos-salsa-molcajete-37687145.jpg>
<http://www.cosmopolitan.com/food-cocktails/how-to/g3393/unilever-tu-seleccion-mexican-recipes/>