<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54ebac808f6c1_-_lemon-juice-xln.jpg>
<http://www.womansday.com/food-recipes/cooking-tips/how-to/g944/how-to-cook/?src=shelter_footer>