<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/480x640/548a682424506_-_rbk-teacher-secrets-0912-4-msc.jpg>
<http://www.redbookmag.com/life/mom-kids/advice/g1260/advice-from-teachers/>