the part where nothing 's happening , 
(ROOT (NP (NP (DT the) (NN part)) (SBAR (WHADVP (WRB where)) (S (NP (NN nothing)) (VP (VBZ 's) (VP (VBG happening))))) (, ,)))
(ROOT (NP (NP (DT ) (NN )) (SBAR (WHADVP (WRB )) (S (NP (NN )) (VP (VBZ ) (VP (VBG ))))) (, )))