for instance , good things happen to bad people 
(ROOT (S (PP (IN for) (NP (NN instance))) (, ,) (NP (JJ good) (NNS things)) (VP (VBP happen) (PP (IN to) (NP (JJ bad) (NNS people))))))
(ROOT (S (PP (IN ) (NP (NN ))) (, ) (NP (JJ ) (NNS )) (VP (VBP ) (PP (IN ) (NP (JJ ) (NNS ))))))