none of this is meaningful or memorable , but frosting is n't , either 
(ROOT (S (S (NP (NP (NN none)) (PP (IN of) (NP (DT this)))) (VP (VBZ is) (ADJP (JJ meaningful) (CC or) (JJ memorable)))) (, ,) (CC but) (S (NP (NN frosting)) (VP (VBZ is) (RB n't) (, ,) (ADVP (CC either))))))
(ROOT (S (S (NP (NP (NN )) (PP (IN ) (NP (DT )))) (VP (VBZ ) (ADJP (JJ ) (CC ) (JJ )))) (, ) (CC ) (S (NP (NN )) (VP (VBZ ) (RB ) (, ) (ADVP (CC ))))))