's worth taking the kids to . 
(ROOT (S (VP (VBZ 's) (ADJP (JJ worth) (S (VP (VBG taking) (NP (DT the) (NNS kids)) (PP (IN to)))))) (. .)))
(ROOT (S (VP (VBZ ) (ADJP (JJ ) (S (VP (VBG ) (NP (DT ) (NNS )) (PP (IN )))))) (. )))