(S (S (BASENP (DT The) (NNPS Chinooks)) (VP (MD can) (VP (VP (VP (VB dump) (BASENP (JJR more) (NN water))) (PP (IN in) (BASENP (JJR fewer) (NNS trips)))) (PP (IN than) (BASENP (DT the) (JJR smaller) (NNS helicopters)))))) (PERIOD .))