(S (S (NP (BASENP (DT A) (NN group)) (PP (IN of) (BASENP (NNP Melbourne) (NNS scientists)))) (VP (VBZ has) (VP (VBN released) (NP (BASENP (DT a) (NN study)) (PP (IN of) (NP (BASENP (DT the) (NN energy) (NNS problems)) (VP (VP (VBG confronting) (BASENP (NNP Australia))) (PP (IN in) (BASENP (DT the) (NN future)))))))))) (PERIOD .))