To save this precious, historical land from developers, Audubon worked with a local bank and purchased this land for preservation.
( ( To ( ( save ( this ( precious ( , ( historical land ) ) ) ) ) ( from developers ) ) ) ( , ( Audubon ( ( ( ( worked ( with ( a ( local bank ) ) ) ) and ) ( ( purchased ( this land ) ) ( for preservation ) ) ) . ) ) ) )
(ROOT (S (S (VP (TO To) (VP (VB save) (NP (DT this) (JJ precious) (, ,) (JJ historical) (NN land)) (PP (IN from) (NP (NNS developers)))))) (, ,) (NP (NNP Audubon)) (VP (VP (VBD worked) (PP (IN with) (NP (DT a) (JJ local) (NN bank)))) (CC and) (VP (VBD purchased) (NP (DT this) (NN land)) (PP (IN for) (NP (NN preservation))))) (. .)))
Audubon bought the land to ensure its preservation.
( Audubon ( ( bought ( the ( land ( to ( ensure ( its preservation ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Audubon)) (VP (VBD bought) (NP (DT the) (NN land) (S (VP (TO to) (VP (VB ensure) (NP (PRP$ its) (NN preservation))))))) (. .)))