<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54eba34b7cc04_-_red-apple-celery-xl.jpg>
<http://www.womansday.com/food-recipes/cooking-tips/tips/g787/foods-to-buy-organic-for-kids/>