a b-movie you can sit through , enjoy on a certain level and then forget . 
(ROOT (NP (NP (DT a) (NN b-movie)) (SBAR (S (NP (PRP you)) (VP (MD can) (VP (VP (VB sit) (PP (RP through))) (, ,) (VP (VB enjoy) (PP (IN on) (NP (DT a) (JJ certain) (NN level)))) (CC and) (ADVP (RB then)) (VP (VB forget)))))) (. .)))
(ROOT (NP (NP (DT ) (NN )) (SBAR (S (NP (PRP )) (VP (MD ) (VP (VP (VB ) (PP (RP ))) (, ) (VP (VB ) (PP (IN ) (NP (DT ) (JJ ) (NN )))) (CC ) (ADVP (RB )) (VP (VB )))))) (. )))