's updating works surprisingly well 
(ROOT (S (VP (VBZ 's) (SBAR (S (NP (NN updating)) (VP (NNS works) (ADVP (RB surprisingly) (RB well))))))))
(ROOT (S (VP (VBZ ) (SBAR (S (NP (NN )) (VP (NNS ) (ADVP (RB ) (RB ))))))))