(S (S (PP (IN Unlike) (NP (BASENP (JJ other) (JJ Balkan) (NNS states)) (PP (JJ such) (PP (IN as) (NP (NP (BASENP (NNP Slovenia)) (COMMA ,) (BASENP (NNP Croatia))) (CC and) (BASENP (NNP Bosnia))))))) (COMMA ,) (S (BASENP (NNP Montenegro)) (VP (VBZ has) (VP (VP (VBN achieved) (BASENP (NN independence))) (PP (IN without) (BASENP (NN violence))))))) (PERIOD .))