the action sequences -- clearly the main event -- 
(ROOT (NP (NP (DT the) (NN action) (NNS sequences)) (, --) (RRC (ADVP (RB clearly)) (NP (DT the) (JJ main) (NN event))) (, --)))
(ROOT (NP (NP (DT ) (NN ) (NNS )) (, ) (RRC (ADVP (RB )) (NP (DT ) (JJ ) (NN ))) (, )))