hartley created a monster but did n't know how to handle it . 
(ROOT (S (NP (NNP hartley)) (VP (VP (VBD created) (NP (DT a) (NN monster))) (CC but) (VP (VBD did) (RB n't) (VP (VB know) (SBAR (WHADVP (WRB how)) (S (VP (TO to) (VP (VB handle) (NP (PRP it))))))))) (. .)))
(ROOT (S (NP (NNP )) (VP (VP (VBD ) (NP (DT ) (NN ))) (CC ) (VP (VBD ) (RB ) (VP (VB ) (SBAR (WHADVP (WRB )) (S (VP (TO ) (VP (VB ) (NP (PRP ))))))))) (. )))