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 ignore it.
( Lucy ( ( wanted ( to ( ignore it ) ) ) . ) )
(ROOT (S (NP (NNP Lucy)) (VP (VBD wanted) (S (VP (TO to) (VP (VB ignore) (NP (PRP it)))))) (. .)))