(S (S (NP (NP (BASENP (DT The) (NN dispute)) (PP (IN between) (BASENP (DT the) (NN two) (NN coalition) (NNS partners)))) (PP (VBG concerning) (NP (BASENP (JJ new) (NNS laws)) (SBAR (S (VP (TO to) (VP (VB ensure) (NP (BASENP (DT the) (NN security)) (PP (IN of) (BASENP (NNP Germany))))))))))) (VP (VBZ remains) (ADJP (JJ unresolved)))) (PERIOD .))