it 's quite enough to lessen the overall impact the movie could have had 
(ROOT (S (NP (PRP it)) (VP (VBZ 's) (ADJP (RB quite) (JJ enough) (S (VP (TO to) (VP (VB lessen) (NP (NP (DT the) (JJ overall) (NN impact)) (SBAR (S (NP (DT the) (NN movie)) (VP (MD could) (VP (VB have) (VP (VBN had))))))))))))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (ADJP (RB ) (JJ ) (S (VP (TO ) (VP (VB ) (NP (NP (DT ) (JJ ) (NN )) (SBAR (S (NP (DT ) (NN )) (VP (MD ) (VP (VB ) (VP (VBN ))))))))))))))