will guarantee to have you leaving the theater with a smile on your face . 
(ROOT (S (VP (MD will) (VP (VB guarantee) (S (VP (TO to) (VP (VB have) (S (NP (PRP you)) (VP (VBG leaving) (NP (DT the) (NN theater)) (PP (IN with) (NP (NP (DT a) (NN smile)) (PP (IN on) (NP (PRP$ your) (NN face)))))))))))) (. .)))
(ROOT (S (VP (MD ) (VP (VB ) (S (VP (TO ) (VP (VB ) (S (NP (PRP )) (VP (VBG ) (NP (DT ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (NN )))))))))))) (. )))