( it ( ( includes ( nine ( different species ) ) ) . ) )
(ROOT (S (NP (PRP it)) (VP (VBZ includes) (NP (CD nine) (JJ different) (NNS species))) (. .)))
it includes nine different species.
(ROOT (S (S (NP (EX There)) (VP (VBP are) (NP (QP (RB about) (CD 50,000)) (JJ vertebrate) (NNS species)))) (, ,) (CC and) (S (NP (PRP they)) (VP (VBP are) (VP (VBN placed) (PP (IN in) (NP (CD nine) (JJ different) (NNS classes)))))) (. .)))