<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54eb9b940c4f3_-_boy-taking-test-classroom-xl.jpg>
<http://www.womansday.com/relationships/family-friends/g695/never-say-childs-teacher/>