paul cox needed to show it . 
(ROOT (S (NP (NNP paul) (NNP cox)) (VP (VBN needed) (S (VP (TO to) (VP (VB show) (NP (PRP it)))))) (. .)))
(ROOT (S (NP (NNP ) (NNP )) (VP (VBN ) (S (VP (TO ) (VP (VB ) (NP (PRP )))))) (. )))