(S (S (NP (BASENP (DT The) (NNS grounds)) (PP (IN for) (BASENP (DT the) (NN challenge)))) (VP (VBP are) (SBAR (IN that) (S (BASENP (NNP National) (NNP Security) (NNP Information) (NN legislation)) (VP (VBZ violates) (NP (NP (BASENP (DT the) (NN separation)) (PP (IN of) (BASENP (ADJP (JJ executive) (CC and) (JJ judical)) (NNS powers)))) (COMMA ,) (VP (VBN required) (PP (IN by) (BASENP (DT the) (JJ Australian) (NN constitution)))))))))) (PERIOD .))