<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54eb9c69177e6_-_5-how-to-cut-pineapple-step-4-xl-34338588.jpg>
<http://www.womansday.com/food-recipes/food-drinks/g716/how-to-cut-pineapple/>