<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539ff26ab5994_-_cos-04-brush-and-floss-lgn-msc.jpg>
<http://www.cosmopolitan.com/style-beauty/beauty/advice/g3576/how-to-whiten-your-teeth/?click=cos_new>