<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/980x1470/54ebc9029853d_-_05-carrots-s2.jpg>
<http://www.womansday.com/food-recipes/cooking-tips/tips/g1381/how-long-do-vegetables-last/>