 Oh, you want a cracker! 
( Oh ( , ( you ( ( want ( a cracker ) ) ! ) ) ) )
(ROOT (S (INTJ (UH Oh)) (, ,) (NP (PRP you)) (VP (VBP want) (NP (DT a) (NN cracker))) (. !)))
You would like a cracker!
( You ( ( would ( like ( a cracker ) ) ) ! ) )
(ROOT (S (NP (PRP You)) (VP (MD would) (VP (VB like) (NP (DT a) (NN cracker)))) (. !)))