<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eba5f51193d_-_spinach-salad-xl-75836041.jpg>
<http://www.womansday.com/health-fitness/nutrition/advice/g866/top-summer-foods/>