<https://redooc.com/it/superiori/maturita-mast-plus/sessione-europa-2015/testo-problema2>
<http://schema.org/isFamilyFriendly>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://redooc.com/it/superiori/maturita-mast-plus/sessione-europa-2015/testo-problema2>