(S (S (BASENP (NNP Slovenia)) (VP (VBZ has) (VP (VP (VBN blocked) (NP (NP (BASENP (NNP Croatia) (POS 's)) (BASENP (NN membership) (NNS talks))) (PP (IN over) (BASENP (DT the) (NN border) (NN issue))))) (PP (IN in) (BASENP (DT the) (NN past)))))) (PERIOD .))