<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54eba65a49dda_-_3-half-avocado-xl-34805494.jpg>
<http://www.womansday.com/food-recipes/food-drinks/g844/save-money-on-fruits-and-vegetables/?click=lifestyle>