( ( When ( we ( abandon ( ( the attempt ) ( to ( ( define immaturity ) ( by ( means ( of ( ( fixed comparison ) ( with ( adult accomplishments ) ) ) ) ) ) ) ) ) ) ) ) ( , ( we ( ( are ( compelled ( to ( ( ( give up ) ( thinking ( of it ) ) ) ( as ( denoting ( lack ( of ( desired traits ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (PRP we)) (VP (VBP abandon) (S (NP (DT the) (NN attempt)) (VP (TO to) (VP (VB define) (NP (NN immaturity)) (PP (IN by) (NP (NP (NNS means)) (PP (IN of) (NP (NP (VBN fixed) (NN comparison)) (PP (IN with) (NP (JJ adult) (NNS accomplishments))))))))))))) (, ,) (NP (PRP we)) (VP (VBP are) (VP (VBN compelled) (S (VP (TO to) (VP (VB give) (PRT (RP up)) (NP (NP (NN thinking)) (PP (IN of) (NP (PRP it)))) (PP (IN as) (S (VP (VBG denoting) (NP (NP (NN lack)) (PP (IN of) (NP (VBN desired) (NNS traits)))))))))))) (. .)))
When we abandon the attempt to define immaturity by means of fixed comparison with adult accomplishments, we are compelled to give up thinking of it as denoting lack of desired traits.
(ROOT (S (NP (JJ Adult) (NNS humans)) (VP (VBP lack) (NP (NP (DT some)) (PP (IN of) (NP (NP (DT the) (VBG defining) (NNS traits)) (PP (IN of) (NP (NNS chordates))))))) (. .)))