every moment crackles with tension , and 
(ROOT (S (S (NP (DT every) (NN moment)) (VP (VBZ crackles) (PP (IN with) (NP (NN tension))))) (, ,) (CC and)))
(ROOT (S (S (NP (DT ) (NN )) (VP (VBZ ) (PP (IN ) (NP (NN ))))) (, ) (CC )))