Complex sentence: Perussuomalaiset Nuoret (in Finnish) (True Finns Youth) is the youth organization of the Finnish political party, Perussuomalaiset (True Finns).
Split into simpler sentences: Perussuomalaiset Nuoret (in Finnish) (True Finns Youth), a political youth organization in Finland. It is the youth wing of Perussuomalaiset (True Finns).