but it does have one saving grace . 
(ROOT (S (CC but) (NP (PRP it)) (VP (VBZ does) (VP (VB have) (NP (CD one) (VBG saving) (NN grace)))) (. .)))
(ROOT (S (CC ) (NP (PRP )) (VP (VBZ ) (VP (VB ) (NP (CD ) (VBG ) (NN )))) (. )))