<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/320x426/54f5f8197a5d5_-_1-pineapple-lgn.jpg>
<http://www.womansday.com/food-recipes/food-drinks/g716/how-to-cut-pineapple/>