Your support is vital and your generosity will make a real difference.
( ( ( ( ( Your support ) ( is vital ) ) and ) ( ( your generosity ) ( will ( make ( a ( real difference ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP$ Your) (NN support)) (VP (VBZ is) (ADJP (JJ vital)))) (CC and) (S (NP (PRP$ your) (NN generosity)) (VP (MD will) (VP (VB make) (NP (DT a) (JJ real) (NN difference))))) (. .)))
Your support won't make a difference.
( ( Your support ) ( ( ( wo n't ) ( make ( a difference ) ) ) . ) )
(ROOT (S (NP (PRP$ Your) (NN support)) (VP (MD wo) (RB n't) (VP (VB make) (NP (DT a) (NN difference)))) (. .)))