(S (S (NP (BASENP (DT An) (NN op-ed) (NN piece)) (PP (IN in) (BASENP (DT the) (NNP Sydney) (NNP Morning) (NNP Herald)))) (VP (VBZ concludes) (SBAR (IN that) (S (NP (NP (BASENP (DT the) (NN sale)) (PP (IN of) (BASENP (JJR more) (JJ American) (NNS arms)))) (PP (TO to) (BASENP (DT the) (JJ Israeli) (NN arm)))) (VP (VP (MD will) (VP (VB cause) (BASENP (NN anger)))) (CC and) (VP (MD might) (VP (VB be) (VP (VBN used) (S (VP (TO to) (VP (VB justify) (NP (BASENP (NNP Iran)) (VP (VP (VBG supplying) (BASENP (NNS missiles))) (PP (TO to) (BASENP (NNP Hezbollah)))))))))))))))) (PERIOD .))