it 's more than a worthwhile effort 
(ROOT (S (NP (PRP it)) (VP (VBZ 's) (NP (NP (JJR more)) (PP (IN than) (NP (DT a) (JJ worthwhile) (NN effort)))))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (NP (NP (JJR )) (PP (IN ) (NP (DT ) (JJ ) (NN )))))))