flashy gadgets and whirling fight sequences may look cool 
(ROOT (S (NP (NP (JJ flashy) (NNS gadgets)) (CC and) (NP (VBG whirling) (NN fight) (NNS sequences))) (VP (MD may) (VP (VB look) (ADJP (JJ cool))))))
(ROOT (S (NP (NP (JJ ) (NNS )) (CC ) (NP (VBG ) (NN ) (NNS ))) (VP (MD ) (VP (VB ) (ADJP (JJ ))))))