(S (S (BASENP (NNPS Slovenians)) (VP (BASENP (NN yesterday)) (VP (VP (VBD voted) (PP (IN in) (BASENP (DT a) (NN referendum)))) (PP (IN in) (NP (BASENP (NN favor)) (PP (IN of) (NP (BASENP (DT a) (NN border) (NN deal)) (PP (IN with) (BASENP (NNP Croatia)))))))))) (PERIOD .))