sentences:  The council decided to organize a political conference, known as the Petrograd Seimas, in June 1917.Tumas traveled to Riga to help elect six representatives of the Party of National Progress to the Seimas (in total, the party had 20 representatives at the Seimas) and to Mogilev to convince not to hold a separate Catholic conference.The Seimas was a raucous affair with passionate disagreements whether Lithuanians should demand full independence or autonomy within the Russian Empire.