approaches to achieving missions vary considerably between agencies.
( ( approaches ( to ( achieving missions ) ) ) ( ( ( vary considerably ) ( between agencies ) ) . ) )
(ROOT (S (NP (NP (NNS approaches)) (PP (TO to) (S (VP (VBG achieving) (NP (NNS missions)))))) (VP (VBP vary) (ADVP (RB considerably)) (PP (IN between) (NP (NNS agencies)))) (. .)))
Approaches to achieving missions might change a lot from the FDA to the IRS.
( ( Approaches ( to ( achieving missions ) ) ) ( ( might ( ( ( change ( a lot ) ) ( from ( the FDA ) ) ) ( to ( the IRS ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Approaches)) (PP (TO to) (S (VP (VBG achieving) (NP (NNS missions)))))) (VP (MD might) (VP (VB change) (NP (DT a) (NN lot)) (PP (IN from) (NP (DT the) (NNP FDA))) (PP (TO to) (NP (DT the) (NNP IRS))))) (. .)))