Postal Service data to define the relationship between costs and cost drivers.
( ( Postal ( Service data ) ) ( ( to ( define ( ( the relationship ) ( between ( costs ( and ( cost drivers ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Postal) (NNP Service) (NNS data)) (VP (TO to) (VP (VB define) (NP (NP (DT the) (NN relationship)) (PP (IN between) (NP (NNS costs) (CC and) (NN cost) (NNS drivers)))))) (. .)))
Postal Service delivery data is used to define the relationship between cost and drivers.
( ( Postal ( Service ( delivery data ) ) ) ( ( is ( used ( to ( define ( ( the relationship ) ( between ( ( cost and ) drivers ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Postal) (NNP Service) (NN delivery) (NNS data)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB define) (NP (NP (DT the) (NN relationship)) (PP (IN between) (NP (NN cost) (CC and) (NNS drivers))))))))) (. .)))