<https://languageclassinitaly.com/#/schema/person/dc4e8879531e03870f1e77d286a252c0>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://languageclassinitaly.com/2019/11/07/essere-o-avere-gli-ausiliari/>