Premise: Poland ( Polska [ ˈpɔlska ] ) , officially the Republic of Poland ( [ Rzeczpospolita Polska , links = no ] , ) , is a parliamentary republic in Central Europe . This union formed the Polish -- Lithuanian Commonwealth , one of the largest and most populous countries of 16th and 17th century Europe with a uniquely liberal political system which declared Europe 's first constitution .
Hypothesis: Poland is a constitutional republic.
Label: NEUTRAL