what makes it worth the trip to the theater 
(ROOT (SBAR (WHNP (WP what)) (S (VP (VBZ makes) (S (NP (PRP it)) (ADJP (JJ worth) (NP (NP (DT the) (NN trip)) (PP (IN to) (NP (DT the) (NN theater))))))))))
(ROOT (SBAR (WHNP (WP )) (S (VP (VBZ ) (S (NP (PRP )) (ADJP (JJ ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN ))))))))))