really , really , really good things can come in enormous packages 
(ROOT (S (ADVP (RB really)) (, ,) (ADVP (RB really)) (, ,) (ADJP (RB really) (JJ good)) (NNS things) (VP (MD can) (VP (VB come) (PP (IN in) (NP (JJ enormous) (NNS packages)))))))
(ROOT (S (ADVP (RB )) (, ) (ADVP (RB )) (, ) (ADJP (RB ) (JJ )) (NNS ) (VP (MD ) (VP (VB ) (PP (IN ) (NP (JJ ) (NNS )))))))