(S (S (BASENP (DT The) (NN dam)) (VP (VBZ is) (S (VP (TO to) (VP (VP (VB supply) (BASENP (JJ fresh) (NN water))) (PP (TO to) (NP (BASENP (DT the) (NN city)) (PP (IN of) (BASENP (NNP Canberra)))))))))) (PERIOD .))