Complex sentence: Its origins are in Split, a city in Dalmatia, where Picigin evolved from a game of water polo, first played in 1908 by a group of Croatian students who brought it from Prague.
Split into simpler sentences: Its origins are in Split, a city in Dalmatia, where Picigin evolved from a game of water polo. Water polo was first played in 1908 by a group of Croatian students who brought it from Prague.