<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54eb9c66ecb6f_-_2-how-to-cut-pineapple-step-1-xl-83632351.jpg>
<http://www.womansday.com/food-recipes/food-drinks/g716/how-to-cut-pineapple/>