does n't deserve a passing grade ( even on a curve ) 
(ROOT (S (VP (VBZ does) (RB n't) (VP (VB deserve) (NP (DT a) (NN passing) (NN grade)) (-LRB- -LRB-) (PP (ADVP (RB even)) (IN on) (NP (DT a) (NN curve))) (-RRB- -RRB-)))))
(ROOT (S (VP (VBZ ) (RB ) (VP (VB ) (NP (DT ) (NN ) (NN )) (-LRB- ) (PP (ADVP (RB )) (IN ) (NP (DT ) (NN ))) (-RRB- )))))