( ( ( The goal ) ( is ( to ( change ( ( the environment ) ( that ( fosters ( ( this kind ) ( of behavior ) ) ) ) ) ) ) ) ) ( , ( '' ( Prestholdt ( said . ) ) ) ) )
(ROOT (S (S (NP (DT The) (NN goal)) (VP (VBZ is) (S (VP (TO to) (VP (VB change) (NP (NP (DT the) (NN environment)) (SBAR (WHNP (WDT that)) (S (VP (VBZ fosters) (NP (NP (DT this) (NN kind)) (PP (IN of) (NP (NN behavior))))))))))))) (, ,) ('' '') (NP (NNP Prestholdt)) (VP (VBD said)) (. .)))
The goal is to change the environment that fosters this kind of behavior,&quot; Prestholdt said.
(ROOT (S (NP (JJ Learned) (NN behavior)) (VP (VBZ is) (ADJP (JJ adaptive)) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP are) (ADJP (JJ flexible)) (, ,) (S (ADJP (JJ capable) (PP (IN of) (S (VP (VBG changing) (SBAR (IN if) (S (NP (DT the) (NN environment)) (VP (VBZ changes))))))))))))) (. .)))