what makes it worth watching is quaid 's performance . 
(ROOT (S (SBAR (WHNP (WP what)) (S (VP (VBZ makes) (S (NP (PRP it)) (ADJP (JJ worth) (S (VP (VBG watching)))))))) (VP (VBZ is) (NP (NP (NNP quaid) (POS 's)) (NN performance))) (. .)))
(ROOT (S (SBAR (WHNP (WP )) (S (VP (VBZ ) (S (NP (PRP )) (ADJP (JJ ) (S (VP (VBG )))))))) (VP (VBZ ) (NP (NP (NNP ) (POS )) (NN ))) (. )))