(S (S (BASENP (JJ European) (NNS allies)) (VP (VBP have) (VP (VBN stated) (SBAR (S (BASENP (PRP they)) (VP (VBP have) (NP (BASENP (NN exit) (NNS plans)) (PP (IN for) (BASENP (DT the) (JJ next) (ADJP (NN three) (TO to) (NN four)) (NNS years)))))))))) (PERIOD .))