neglects to add the magic that made it all work 
(ROOT (S (VP (VBZ neglects) (S (VP (TO to) (VP (VB add) (NP (NP (DT the) (NN magic)) (SBAR (WHNP (WDT that)) (S (VP (VBD made) (S (NP (NP (PRP it)) (NP (DT all))) (VP (NN work)))))))))))))
(ROOT (S (VP (VBZ ) (S (VP (TO ) (VP (VB ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBD ) (S (NP (NP (PRP )) (NP (DT ))) (VP (NN )))))))))))))