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)))))))) (. .)))
The appropriateness of the requirements are judged by the children.
( ( ( The appropriateness ) ( of ( the requirements ) ) ) ( ( are ( judged ( by ( the children ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN appropriateness)) (PP (IN of) (NP (DT the) (NNS requirements)))) (VP (VBP are) (VP (VBN judged) (PP (IN by) (NP (DT the) (NNS children))))) (. .)))