trying to keep grass alive during a summer on a piece of ground that big was expensive
( trying ( to ( ( ( keep ( grass ( alive ( during ( a summer ) ) ) ) ) ( on ( ( a piece ) ( of ground ) ) ) ) ( that ( big ( was expensive ) ) ) ) ) )
(ROOT (S (VP (VBG trying) (S (VP (TO to) (VP (VB keep) (NP (NP (NN grass)) (ADJP (JJ alive) (PP (IN during) (NP (DT a) (NN summer))))) (PP (IN on) (NP (NP (DT a) (NN piece)) (PP (IN of) (NP (NN ground))))) (SBAR (IN that) (S (NP (JJ big)) (VP (VBD was) (ADJP (JJ expensive)))))))))))
It cost a lot to keep a large area of grass alive during the summer.
( It ( ( cost ( a ( lot ( to ( keep ( ( ( a ( large area ) ) ( of grass ) ) ( alive ( during ( the summer ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBD cost) (NP (DT a) (NN lot) (S (VP (TO to) (VP (VB keep) (S (NP (NP (DT a) (JJ large) (NN area)) (PP (IN of) (NP (NN grass)))) (ADJP (JJ alive) (PP (IN during) (NP (DT the) (NN summer)))))))))) (. .)))