( A ( ( world ( where ( ( people ( , ( ( trees and ) birds ) ) ) ( can ( ( live ( in harmony ) ) together ) ) ) ) ) . ) )
(ROOT (NP (DT A) (NN world) (SBAR (WHADVP (WRB where)) (S (NP (NNS people) (, ,) (NNS trees) (CC and) (NNS birds)) (VP (MD can) (VP (VB live) (PP (IN in) (NP (NN harmony))) (ADVP (RB together)))))) (. .)))
A world where people, trees and birds can live in harmony together.
(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)))))))))))))))))) (. .)))