<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/980x1276/548a046c907c3_-_rbk-filling-salads-kale-and-brussels-sprouts-1-s2.jpg>
<http://www.redbookmag.com/body/healthy-eating/advice/g769/salad-for-dinner/>