there are some laughs in this movie , but 
(ROOT (S (NP (EX there)) (VP (VP (VBP are) (NP (DT some) (NNS laughs)) (PP (IN in) (NP (DT this) (NN movie)))) (, ,) (CC but))))
(ROOT (S (NP (EX )) (VP (VP (VBP ) (NP (DT ) (NNS )) (PP (IN ) (NP (DT ) (NN )))) (, ) (CC ))))