that suffers because of its many excesses 
(ROOT (S (NP (DT that)) (VP (VBZ suffers) (PP (IN because) (IN of) (NP (PRP$ its) (JJ many) (NNS excesses))))))
(ROOT (S (NP (DT )) (VP (VBZ ) (PP (IN ) (IN ) (NP (PRP$ ) (JJ ) (NNS ))))))