<https://secure.gravatar.com/avatar/6ff3fb93706e6857908eab1ebf562f55?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://freequizgames.com/are-you-smarter-than-a-5th-grader/>