( There ( ( exist ( in ( ( many ( States rules ) ) ( concerning ( ( the matters ) ( addressed ( in ( this article ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP exist) (PP (IN in) (NP (NP (JJ many) (NNP States) (NNS rules)) (PP (VBG concerning) (NP (NP (DT the) (NNS matters)) (VP (VBN addressed) (PP (IN in) (NP (DT this) (NN article))))))))) (. .)))
There exist in many States rules concerning the matters addressed in this article.
(ROOT (S (NP (NNP Water)) (VP (VBZ exists) (PP (IN on) (NP (NP (NN earth)) (PP (IN in) (NP (NP (CD three) (NN matter) (NNS states)) (VP (VBZ states))))))) (. .)))