In doing so, they invite children to judge the appropriateness of their requirements.
( ( In ( doing so ) ) ( , ( they ( ( invite ( children ( to ( judge ( ( the appropriateness ) ( of ( their requirements ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (S (VP (VBG doing) (ADVP (RB so))))) (, ,) (NP (PRP they)) (VP (VB invite) (S (NP (NNS children)) (VP (TO to) (VP (VB judge) (NP (NP (DT the) (NN appropriateness)) (PP (IN of) (NP (PRP$ their) (NNS requirements)))))))) (. .)))
Children aren't allowed to judge the requirements.
( Children ( ( ( are n't ) ( allowed ( to ( judge ( the requirements ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Children)) (VP (VBP are) (RB n't) (VP (VBN allowed) (S (VP (TO to) (VP (VB judge) (NP (DT the) (NNS requirements))))))) (. .)))