too bad kramer could n't make a guest appearance to liven things up . 
(ROOT (S (ADJP (RB too) (JJ bad)) (NP (NNP kramer)) (VP (MD could) (RB n't) (VP (VB make) (NP (DT a) (NN guest) (NN appearance)) (S (VP (TO to) (VP (VB liven) (NP (NNS things)) (PRT (RP up))))))) (. .)))
(ROOT (S (ADJP (RB ) (JJ )) (NP (NNP )) (VP (MD ) (RB ) (VP (VB ) (NP (DT ) (NN ) (NN )) (S (VP (TO ) (VP (VB ) (NP (NNS )) (PRT (RP ))))))) (. )))