<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/550044b3d5d21-cutting-a-mango-4-ghv-325-16214858.jpg>
<http://www.goodhousekeeping.com/food-recipes/cooking/tips/g2172/how-cut-mango/>