[['Italy', 'LEADER', 'Pietro Grasso'], ['Italy', 'LEADER', 'Sergio Mattarella'], ['A.S. Gubbio 1910', 'GROUND', 'Italy'], ['Italy', 'LANGUAGE', 'Italian language']]
Pietro Grasso and Sergio Mattarella are leaders of _____ where the Italian language is spoken. The country is the location for the home ground of AS Gubbio 1910.