on predicate member of political party sorted by label

Subject	Predicate
?:Carlo Ripa di Meana	?:member of political party
?:Giorgio Celli	?:member of political party
?:Reinhold Messner	?:member of political party
?:Rosario Crocetta	?:member of political party
?:Sepp Kusstatscher	?:member of political party