( ( ( ( ( ( Disc golfers ) ( can ( ( ( ( feel better ) ( about ( ( themselves and ) ( their environment ) ) ) ) , ) ( knowing ( that ( ( chemical pollutants ) ( ( are n't ) ( being ( used ( to ( keep ( ( their ( playing fields ) ) ( looking good ) ) ) ) ) ) ) ) ) ) ) ) ) , ) nor ) ( ( do ( acres ( of trees ) ) ) ( need ( to ( ( ( ( be ( ( clear-cut or ) wetlands ) ) ( filled in ) ) , ) ( as ( ( is sometimes ) ( ( the case ) ( with ( ( too many ) ( ball courses ) ) ) ) ) ) ) ) ) ) ) ( , ( '' ( he ( said . ) ) ) ) )
(ROOT (S (S (S (NP (NNP Disc) (NNS golfers)) (VP (MD can) (VP (VB feel) (ADVP (RBR better)) (PP (IN about) (NP (NP (PRP themselves)) (CC and) (NP (PRP$ their) (NN environment)))) (, ,) (S (VP (VBG knowing) (SBAR (IN that) (S (NP (NN chemical) (NNS pollutants)) (VP (VBP are) (RB n't) (VP (VBG being) (VP (VBN used) (S (VP (TO to) (VP (VB keep) (NP (NP (PRP$ their) (VBG playing) (NNS fields)) (VP (VBG looking) (ADJP (JJ good))))))))))))))))) (, ,) (CC nor) (SQ (VBP do) (NP (NP (NNS acres)) (PP (IN of) (NP (NNS trees)))) (VP (VB need) (S (VP (TO to) (VP (VB be) (ADJP (JJ clear-cut) (CC or) (JJ wetlands)) (S (VP (VBN filled) (PP (IN in)))) (, ,) (SBAR (IN as) (S (VP (VBZ is) (ADVP (RB sometimes)) (NP (NP (DT the) (NN case)) (PP (IN with) (NP (ADJP (RB too) (JJ many)) (NN ball) (NNS courses))))))))))))) (, ,) ('' '') (NP (PRP he)) (VP (VBD said)) (. .)))
Disc golfers can feel better about themselves and their environment, knowing that chemical pollutants aren't being used to keep their playing fields looking good, nor do acres of trees need to be clear-cut or wetlands filled in, as is sometimes the case with too many ball courses,&quot; he said.
(ROOT (S (NP (NNS People)) (VP (MD can) (VP (VB help) (VP (VB keep) (NP (DT a) (NN forest)) (NP (NP (DT a) (JJ good) (NN place)) (PP (IN for) (NP (NNS birds) (S (VP (TO to) (VP (VB live) (PP (IN by) (S (VP (VBG preventing) (NP (ADJP (RB too) (JJ many)) (NNS trees)) (PP (IN from) (S (VP (VBG being) (VP (VBN cut) (PRT (RP down)))))))))))))))))) (. .)))