<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f64b016948c_-_vegetarian-lasagna-bkcc3p-xlg.jpg>
<http://www.delish.com/cooking/tips/g392/how-to-replace-meat/>