<https://www.huffingtonpost.it/2016/11/17/barack-michelle-amore-obama_n_13038048.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.huffingtonpost.it/2016/11/17/barack-michelle-amore-obama_n_13038048.html>