becomes a bit of a mishmash : a tearjerker that does n't and a thriller that wo n't . 
(ROOT (S (VP (VBZ becomes) (NP (NP (NP (DT a) (NN bit)) (PP (IN of) (NP (DT a) (NN mishmash)))) (: :) (NP (NP (NP (DT a) (NN tearjerker)) (SBAR (WHNP (WDT that)) (S (VP (VBZ does) (RB n't))))) (CC and) (NP (NP (DT a) (NN thriller)) (SBAR (WHNP (WDT that)) (S (VP (MD wo) (RB n't)))))))) (. .)))
(ROOT (S (VP (VBZ ) (NP (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN )))) (: ) (NP (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (RB ))))) (CC ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (MD ) (RB )))))))) (. )))