unless you come in to the film with a skateboard under your arm , you 're going to feel like you were n't invited to the party . 
(ROOT (S (SBAR (IN unless) (S (NP (PRP you)) (VP (VBP come) (ADVP (RP in)) (PP (IN to) (NP (DT the) (NN film))) (PP (IN with) (NP (NP (DT a) (NN skateboard)) (PP (IN under) (NP (PRP$ your) (NN arm)))))))) (, ,) (NP (PRP you)) (VP (VBP 're) (VP (VBG going) (S (VP (TO to) (VP (VB feel) (SBAR (IN like) (S (NP (PRP you)) (VP (VBD were) (RB n't) (VP (VBN invited) (PP (IN to) (NP (DT the) (NN party)))))))))))) (. .)))
(ROOT (S (SBAR (IN ) (S (NP (PRP )) (VP (VBP ) (ADVP (RP )) (PP (IN ) (NP (DT ) (NN ))) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (NN )))))))) (, ) (NP (PRP )) (VP (VBP ) (VP (VBG ) (S (VP (TO ) (VP (VB ) (SBAR (IN ) (S (NP (PRP )) (VP (VBD ) (RB ) (VP (VBN ) (PP (IN ) (NP (DT ) (NN )))))))))))) (. )))