(S (S (BASENP (DT The) (JJ six-month) (NN study)) (VP (VBD found) (SBAR (S (BASENP (NNP Australia)) (VP (VBZ has) (NP (BASENP (JJR more) (NN uranium)) (SBAR (IN than) (S (VP (VBD was) (VP (ADVP (RB previously)) (VBN thought))))))))))) (PERIOD .))