(S (S (NP (BASENP (DT The) (NN referendum)) (PRN (COMMA ,) (PP (IN with) (BASENP (DT an) (ADJP (NN 86.3) (NN %)) (NN voter) (NN turnout))) (COMMA ,))) (VP (VBD had) (NP (NP (BASENP (DT a) (ADJP (NN 55.4) (NN %)) (NN approval)) (PP (IN for) (BASENP (DT the) (NN secession)))) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ satisfies) (NP (BASENP (DT the) (NNP European) (NNP Union) (POS 's)) (BASENP (JJ minimum) (ADJP (NN 55) (NN %)) (NN approval))))))))) (PERIOD .))