What concepts are described in the following sentence?

"The ground of A.S. Gubbio 1910 is located in Italy whose capital is Rome. Sergio Mattarella is the leader of Italy and its official language is Italian."

Return the answer as pairs of triples.
Italy OFFICIAL_LANGUAGE Italian language
Italy CAPITAL Rome
Italy LEADER Sergio Mattarella
A.S. Gubbio 1910 GROUND Italy