a message that cautions children about disturbing the world 's delicate ecological balance 
(ROOT (NP (NP (DT a) (NN message)) (SBAR (WHNP (WDT that)) (S (VP (VBZ cautions) (NP (NNS children)) (PP (IN about) (S (VP (VBG disturbing) (NP (NP (DT the) (NN world) (POS 's)) (JJ delicate) (JJ ecological) (NN balance))))))))))
(ROOT (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (NP (NNS )) (PP (IN ) (S (VP (VBG ) (NP (NP (DT ) (NN ) (POS )) (JJ ) (JJ ) (NN ))))))))))