the actors improvise and scream their way around this movie directionless , lacking any of the rollicking dark humor so necessary to make this kind of idea work on screen . 
(ROOT (S (NP (DT the) (NNS actors)) (VP (VBP improvise) (CC and) (VBP scream) (NP (PRP$ their) (NN way)) (PP (IN around) (NP (DT this) (NN movie))) (S (ADVP (JJ directionless))) (, ,) (S (VP (VBG lacking) (NP (NP (DT any)) (PP (IN of) (NP (NP (DT the) (JJ rollicking) (JJ dark) (NN humor)) (ADJP (RB so) (JJ necessary) (S (VP (TO to) (VP (VB make) (S (NP (NP (DT this) (NN kind)) (PP (IN of) (NP (NN idea)))) (VP (VB work) (PP (IN on) (NP (NN screen))))))))))))))) (. .)))
(ROOT (S (NP (DT ) (NNS )) (VP (VBP ) (CC ) (VBP ) (NP (PRP$ ) (NN )) (PP (IN ) (NP (DT ) (NN ))) (S (ADVP (JJ ))) (, ) (S (VP (VBG ) (NP (NP (DT )) (PP (IN ) (NP (NP (DT ) (JJ ) (JJ ) (NN )) (ADJP (RB ) (JJ ) (S (VP (TO ) (VP (VB ) (S (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))) (VP (VB ) (PP (IN ) (NP (NN ))))))))))))))) (. )))