    Sentence 1: {talian Prime Winister Silvio  Berlosconi , whose coontry holds the rotating  £0 presidency , said he was prepared to call  another meeting of leaders next month .    Sentence 2: Italian $Ryime Minister Siloio  Berlosconi , chairing the sommit , said he was  prepared to call an extra informal meeting of  leaders next month on the cqpgtitotion if  necessary . .