the action sequences -- clearly the main event -- are surprisingly uninvolving 
(ROOT (S (NP (NP (DT the) (NN action) (NNS sequences)) (, --) (RRC (ADVP (RB clearly)) (NP (DT the) (JJ main) (NN event))) (, --)) (VP (VBP are) (ADJP (RB surprisingly) (JJ uninvolving)))))
(ROOT (S (NP (NP (DT ) (NN ) (NNS )) (, ) (RRC (ADVP (RB )) (NP (DT ) (JJ ) (NN ))) (, )) (VP (VBP ) (ADJP (RB ) (JJ )))))