on predicate position held sorted by label

Subject	Predicate
?:Arnaldo Forlani	?:position held
?:Bettino Craxi	?:position held
?:Ciriaco De Mita	?:position held
?:Emilio Colombo	?:position held
?:Enrico Letta	?:position held
?:Giovanni Goria	?:position held
?:Mariano Rumor	?:position held
?:Massimo D'Alema	?:position held
?:Silvio Berlusconi	?:position held