spy kids 2 also happens to be that rarity among sequels 
(ROOT (S (NP (NN spy) (NNS kids) (CD 2)) (ADVP (RB also)) (VP (VBZ happens) (S (VP (TO to) (VP (VB be) (NP (NP (DT that) (NN rarity)) (PP (IN among) (NP (NNS sequels))))))))))
(ROOT (S (NP (NN ) (NNS ) (CD )) (ADVP (RB )) (VP (VBZ ) (S (VP (TO ) (VP (VB ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS ))))))))))