However, straight after the convocation of the All-Ukrainian National Congress, the Rada transformed into a provisional parliament that consisted of 150 members elected from the Ukrainian political parties, professional and cultural organizations and delegates from the guberniyas. During the National Congress Hrushevsky was reelected as the chairman of the Rada, while the leaders of the most popular political parties Serhiy Yefremov and Volodymyr Vynnychenko were appointed as his deputies.