not invite some genuine spontaneity into the film by having the evil aliens ' laser guns actually hit something for once ? 
(ROOT (S (RB not) (VP (VB invite) (NP (DT some) (JJ genuine) (NN spontaneity)) (PP (IN into) (NP (DT the) (NN film))) (PP (IN by) (S (VP (VBG having) (S (NP (NP (DT the) (JJ evil) (NNS aliens) (POS ')) (NN laser) (NNS guns)) (ADVP (RB actually)) (VP (VB hit) (NP (NN something)) (PP (IN for) (ADVP (RB once))))))))) (. ?)))
(ROOT (S (RB ) (VP (VB ) (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (NN ))) (PP (IN ) (S (VP (VBG ) (S (NP (NP (DT ) (JJ ) (NNS ) (POS )) (NN ) (NNS )) (ADVP (RB )) (VP (VB ) (NP (NN )) (PP (IN ) (ADVP (RB ))))))))) (. )))