makes it a party worth attending . 
(ROOT (S (VP (VBZ makes) (S (NP (PRP it)) (NP (NP (DT a) (NN party)) (ADJP (JJ worth) (S (VP (VBG attending))))))) (. .)))
(ROOT (S (VP (VBZ ) (S (NP (PRP )) (NP (NP (DT ) (NN )) (ADJP (JJ ) (S (VP (VBG ))))))) (. )))