Lucy screamed, I've got to know.
( ( Lucy screamed ) ( , ( I ( ( 've ( got ( to know ) ) ) . ) ) ) )
(ROOT (S (S (NP (NNP Lucy)) (VP (VBD screamed))) (, ,) (NP (PRP I)) (VP (VBP 've) (VP (VBN got) (S (VP (TO to) (VP (VB know)))))) (. .)))
Lucy wanted to know.
( Lucy ( ( wanted ( to know ) ) . ) )
(ROOT (S (NP (NNP Lucy)) (VP (VBD wanted) (S (VP (TO to) (VP (VB know))))) (. .)))